Premium gas vs. Regular Whats really better for your car?

[@donm565]

I was a fuel transporter for several years, I would never buy premium fuel at any station, what happened a lot of time, was we would get a order to deliver 8000 gallons of no lead to a shell or amoco or no preticular brand , I would arrive and stick there regular tank and see it would only hold 6000 gallons and go in and tell the manager ,they would say OK that's fine just throw the extra 2000 gallons in the premium tank, so I would unload and fill there regular till full, then add the left over into the premium tank like they said, I have also went to stations where they would order 8 ,000 regular, I would arrive and could only get 4000 in the regular tanks and the manager new before ordering that they did not have room for all that regular ,but his manager said get 8,000 and put excess in the premium tank, I had several brands where I seldom took premium because I was always adding the excess regular in there premium tank , so there are probably some managers who do fill the premium tank with only premium but in my 30 years experience most premium was watered down to a fraction of premium ,that's why I would never buy premium because from my experience most people are just paying a lot more for regular thinking they are getting premium, So unless you know what your getting , I would say buyer beware and I personally have always just put in regular after seeing this practice going on for 30 years.

[@krillinroshi9312]

Thank you very much for sharing these tricks of the trade; very unscrupulous operators in every field of industry and commerce and it takes an insider like yourself to blow the whistle; Ive bought premiums where in one particular station i drove out and i knew straight away i had regular in my tank because i knew how the engines operated on all four fuel brands; Now to read this from the horses mouth; much obliged to you, God’s blessings to you and yours; thanks for sharing

[@donm565]

@@krillinroshi9312 I used to tell friends and just anyone I new about the way this was done for years, I would tell supervisors ,but of coarse nothing was ever done except to say just fill their tanks and put the excess where the customer specifies, so just be aware and I personally just full with regular no matter what station I go to .

[@krillinroshi9312]

Don m Everytime i go get petrol; i think of what you’ve written; and go straight to regular; thank you

[@powerhouse222astigsingpet8]

that happens a lot to increase profit

[@LWRC]

While your story may be true, the modern engines with knock sensors do not lie! Running an engine requiring minimum octane rating with anything less will result in noticeable performance drops and is very very bad for the engine. A lack of octane will induce knock which humans cannot even hear but the knock sensors will detect it and cut engine performance to prevent severe damage!!!Reputable gas stations would never order more than their tank capacity!!!

[@moose354]

Thanks for everything that you do for the Toyota community.

[@mmlomyers8770]

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[@coloradoboo1071]

He really is one of the best KZbinrs for Toyota owners but we’re trying to figure out what AMD stands for...Anthony Michael? Arnold Mark? Alan? Alexander?? 😜

[@moose354]

@@coloradoboo1071 I believe his first name is Ahmed from one of his first videos.

[@Dr.Gunsmith]

Toyota rules.

[@joecrews8296]

I was told to never get gas at the same time as the gas companys tractor trailer is re-filling the tanks. Due to the sediment and possible sluge at the bottom of the big tanks gets stirred up

[@viking.200]

that one I will remember it sounds logic.🤔👍.

[@MyRebel44]

Every pump has a filter .

[@haroldpayne2527]

Sounds right

[@nobueno2157]

While both the station and your vehicle have filters, when they’re offloading the bottoms can and will stir up and it’s not just sediment or muck, there’s water as well. There is not filter in place to prevent water from entering your car. Don’t fuel when a truck is dropping product, recipe for disaster

[@matexf4c]

Dude i remember in 2016 i pumped right when the truck finished and it fucked my dads can up lol clogged up the cat o2 sensors and injectors lol i swcond this

[@paulschwarz6917]

AMD, I hope your dealership treats you well. You provide the best information. Your information makes me feel more conferrable about dealing with Toyota dealerships I can trust, as , I have been a Toyota owner for more than 30 years. Its guys like you and some service advisers that keeps me coming back. THANK YOU

[@rt2255]

Do you have a brother in alabama to do the little work my camry needs? Lol

[@nojopro908]

You were a very different KZbinr in 2020 it's crazy to see the development for the better I may add

[@davidray3558]

Amd tells it like it is folks, no sugar coating, no bull. Thank you for sharing young man, you are the button in the cap of car care!

[@rogerbowler5623]

AMD, I really appreciate the detail, the clarity, and the integrity of the videos that you share with us. Your experience and your commitment to telling the truth and helping owners is just fantastic! May God give his blessing to you and your family.

[@mhlittleton6493]

I knew the part about 87 vs. 93, but I wasn't aware of the "Top Tier" gas. That was very helpful! You share so much helpful information, and I really do appreciate it!

[@stevencallen1153]

You probably dont care but does anyone know of a tool to log back into an instagram account..? I was stupid forgot my account password. I would love any assistance you can give me

[@stevencallen1153]

@Ty Darwin i really appreciate your reply. I got to the site thru google and Im trying it out now. Takes a while so I will reply here later with my results.

[@stevencallen1153]

@Ty Darwin it did the trick and I actually got access to my account again. I am so happy:D Thank you so much you saved my account :D

[@tydarwin8812]

@Steven Callen glad I could help xD

[@samjam6989]

@@tydarwin8812 scam 😉

[@rickycompton2610]

Great video, I’ve always used Shell gas my Dad used always and never had a problem, so I have used all my life so far and never had any bad gas or engine problems related to Shell gas.

[@xTheShady1x]

Costco gas is Top Tier and typically @20-30 cents cheaper than nearby stations. Its typically my go to. Along with 5-10 min wait times.

[@bobfeller604]

Go early on a Sat. or Sun. morning, stay away from Fri. or Sun. afternoons.

[@TuoiTreVaooi]

Cosco is top tier?

[@xTheShady1x]

Indeed.

[@John_Ridley]

I go on my way to work at like 7:30 and never have much of a wait if any.

[@afcgeo882]

@@TuoiTreVaooi Yes. Costco was always Top Tier. They don’t make their own gas you know. It’s the same stuff you get anywhere else.

[@kevinstenger4334]

My Dad was a truck driver and hauled gasoline and other bulk liquids for years in Michigan and he learned that there are only a couple of sources for gasoline and it depends on what part of the state you live in but generally all the stations in a given city get their fuel from the same distributor. This is even more true these days since all of the smaller refineries were forced to shut down years ago. In Michigan there is only one refinery in the entire state and it’s south of Detroit, it’s a Marathon facility. That refinery supplies most of the state, the rest is supplied by an interstate pipeline. I now live in Chattanooga and there is a big fuel terminal in town that I learned when the pipeline company got hacked earlier this year, is supplied from that pipeline. That same pipeline supplies terminals in Knoxville, Nashville, Atlanta, and Birmingham. So every station within at least 200 miles is supplied by the same source. My Dad used to get a kick out of listening to guys talk about which station was best when he knew he would deliver to different brand stations out of the same load, and all the loads came from the same big tank at the terminal. Another little gas station trick was that sometimes the station would order say 2000 gallons of regular and 500 gallons of premium but they didn’t sell as much as they thought before the truck arrived so only 1800 gallons would fit in the regular tank. The driver asks them what they want to do with the remaining 200 gallons and the answer was dump it in the premium tank because it costs them something to send it back.

[@kevinsands6769]

I live about a mile from a refueling station. You drive by there are any time and see every brand of truck in this area lined up for a block waiting to load up and distribute the same fuel.

[@aussie2uGA]

How does Shell gas claim Tier1 and it's clear? If they all come out of the same pipe, why are others not clear?

[@aluisious]

@@aussie2uGA All gas is clear dude. What are you talking about?

[@honkyspice]

If the tanks are really old and not maintained, my dad says it can contaminate the gas. Makes sense, we have a lot of old stations in my area. Food for thought.

[@jamesgray7301]

Yeap, typical Americans. Never once have I regretted leaving that nation of thieves and scammers.

[@leecarroll1817]

Here in Spain my only concern is Diesel, I buy from a station near my house and never had a problem outside of Rude employees and this is to be expected in Spain. Love your common sense advice/knowledge and this is coming from a retired hvy equipment mechanic w/ over 50 yrs experience worldwide. Yes I just bought my first Toyota Hilux and absolutely love it.

[@daniellegler4011]

Diesel is all the same outside the US. Only in US is there a 'Branded" high additive diesel. Stay away from any Bio-diesel as it will clog up your fuel filters faster.

[@tonytony-u8g]

Golden! You are doing a wonderful service to all Toyota Owners! Especially this one. Once again, thank you and appreciate it a whole lot!

[@dalemettee1147]

A friend of mine used to work at a petroleum distribution center. He said that a lot of off brand stations buy what is known as 'bottom tank' gas. This type of gas is left in the bottom of the big tanks and is actioned off to the highest bidder. He said that this gas could contain a lot of stuff. All he said was beware of this type of gas.

[@arthursmith643]

The government is up the ass of these gasoline companies. They are not going to allow junk burning out the vehicles system. Buy the cheapest gas. Top tier gas has more detergents but it can be twenty cents or more per gallon. Toss in a bottle of Techron every few thousand miles. Techron is what Chevron puts I it’s gasolines.

[@nivekking8198]

@@arthursmith643 Sure lets trust our government to look out for the people's best interests. 😂

[@jjk2one]

@@arthursmith643 You would not believe what this corporate govt does while smiling in your face

[@shaynestebbing5597]

Agreed, I own two cars both 2grfe V6's a kluger and an Aurion (Australia) I always thought 95 and 98 was better until I started using 91 (mobil synergy) since I've been using the 91 both cars are getting good mileage per tank e.g. Aurion 610kms , Kluger 575kms city driving and even better mileage hwy driving, both cars are using fully synthetic oil 10w30 and 5w30(kluger) and genuine filters on every service, absolutely love these cars for their reliability and performance and economy. Both are now due for trans and diff(kluger awd) services your vid on that is excellent too, will take your advice about using genuine toyota trans oil , thanks again man 👍

[@38alloy]

Best Toyota information channel ever , Toyota needs to star a You Tube channel with you for Toyota maintenance .

[@stevepatch1809]

All gas comes from the same place the only difference is the additives, I have a friend that delivers gas, mobile,shell etc all comes from the same tanks just different additives are put into the tanker truck at the rack.

[@jeremyking3986]

I was a petroleum inspector. Sometimes it’s added at the holding tank. Exxon mixes theres in the big huge tanks. We would test it before it went to the trucks.

[@jameskoralewski1006]

Those additives make all the difference!

[@PAHighlander24]

Sonoco is pipelined underground from their refineries to their own tank farms and truck racks here in NJ and the northeast US. Most others are barged in from refineries to tank farms and truck racks, where individual brand additives are blended in.

[@afcgeo882]

@@PAHighlander24 And after that pipeline shutdown we all know that you’re wrong.

[@customcoffins]

I often saw a gas tanker pull into a chevron station and fill their tanks. I would see the gas tanker drive across the street and fill the tanks at 7/11. I never saw the driver adding any additives at either gas station. Gas is about 30 cent a gallon cheaper at the 7/11. There is a great deal of marketing hype when comes to gasoline.

[@Bushy556]

I’m a head lab tech for a major oil company. I spent 5 years doing nothing but octane testing on gasoline. We are a top tier gasoline producer. If the manual recommends 87 then use 87. You gain nothing by going higher. If it recommends higher but says you can use lower, use the higher recommended octane. As far as the ethanol gasoline, if it says 10% at the pump it must test at 10 +\- 0.5% ethanol.

[@TheCarCareNut]

Thank you for chiming in! Your expert input is highly appreciated! I wish people would listen and stop wasting their money.

[@Bushy556]

@Ivan Poohbear if the GM dealer was changing your oil and you had sludge, then the weren’t really changing your oil. There is no way you have sludge buildup doing 3k oil changes.

[@romanc.5074]

@Ivan Poohbear Do not let the dealership to do that. You should take it to your own mechanic, it is not worthy, they are thieves. They might not be changing the oil at all. They want you to go there in order to be charging you for fixing stuffs that you do not even need. That is their's money maker. They do that all the time.

[@njsongwriter]

@@Bushy556 Yes, my thoughts exactly. Even with conventional oil that wouldn't happen. It would have to be a single grade non-detergent oil to make it produce enough sludge in that time.

[@memoo6163]

Any thoughts on using leaded vs ethanol? In regards engine wear/tear, longevity only. Not price or pollution or mpg etc. thanks

[@HotMicSystems]

Holy crap this guy is amazing already watched 6 videos

[@jskaggs8188]

Good and accurate info. I ran my 2003 Toyota Tacoma for 13 years and 229,000 miles on cheap gas and never a problem outside normal maintenance.

[@pjames4413]

These newer cars are a bit touchy regarding cleanliness of fuel injectors.. Top tier gasoline is the best choice because the additive blend is better.

[@VincentScales]

I've been using Top Tier gas since reading about it 2015 for my 2016 Camry. GetGo a convenience store chain, started selling Top Tier gas! The chain operates locations in Indiana, Maryland, Ohio, Pennsylvania, and West Virginia.

[@TheJoeCool1964]

I have listened to Scotty Kilmer for a long time, if he says its so, my wife takes it as gospel. Now I have found another car guru. Thank you so much. I'm getting a 4 runner ,I have a work car, I also have a mid size groceries getter, but I needed a dream vehicle, . we live in the country, so the question was what kind of truck do I need ? And, after watching your channel, ... Gun metal Grey, TRD Pro, with black out lettering. Of course the side step is a must, if you think I'm making a mistake let me know, its going to cost me 4 times as much as my last car. But being 57 years old, ill have it the rest of my life.

[@TheCarCareNut]

Hi! Thank you for watching. You’re not making a mistake! Toyota trucks are very good.

[@njsongwriter]

We use ethanol-free (any octane) usually top tier in our 2009 RAV4 2.5 liter four cylinder.

[@jameskoralewski1006]

Ethanol-free gas is usually quite a bit more expensive than gas with ethanol.

[@jimpie231]

Where do you even find it? I’m in the Chicago area.....thanks! Jim

[@njsongwriter]

@@jimpie231 Nothing in Chicago. Nearest is Joliet and Crystal Lake. For me the nearest station is three miles from home. And they sell both premium ethanol-free and E10 premium for the same price. Last time I filled up back home in PA it was $2.899 per gal. I'm in NH right now.

[@afcgeo882]

@@jimpie231 They’re usually sold as marine use gasoline at stations, but it’s rare. In FL, most stations have it, but it’s about 30% more than 87 OCT E10, so it’s not worth it.

[@richkennedy6372]

I am sharing my own personal experience with reg vs premium gas. i have had several camries, 85, 92, 98 4 and six cylinder, and currently own a 2006 sienna 3.3L engine and always keep track of miles per gallon. when i compared over 30,000 miles of using each in every vehicle I always got 10 -12% higher mpg with premium. also when I did emissions tests the premium gas had nearly no emissions. another simple observation test is to tske a white cloth and rub the back end of the tail pipe and note how black the cloth is. low octane ALWAYS is blacker and premium is nearly zero black soot in the back tail pipe. what dies that tell me? it says the regular gas is not burning completly and unburned hydro carbons ( lost energy) my engines run smoother with fewer misses. higher octane simply means there is more oxygen in the fuel and contributes tonslower burning or more complete burning which means more boom combustions whichbisbwhy I akways get better mpg. also ethanol blended gas I always lose power and mog is reduced 18% to 23%!!! if you dont believe me talk to any drag racer or stock car racer what they think of alcohol and the performance of their engines... cleaner burning means also myboil lasts longer cuz not dropping contaminants into the oil, big oil has been messing with us for decades. oil is NOT a fossil fuel. it is abiotic which means its nothing tondonwith living or decayed matter. it is a chemical process by the earth renewing its gas and oil constantly. there is no shortage of oil, rather its an abundance of over zealous super greedy brain damaged elites with insatiable appetite for world control of everything and unwilling to share the wealth. they have stolen thousands of patents that would keep life simple lasting and inexpensive. they have nonintention of long lasting vehicles( except toyota) rather everything planned obsolesence! EVERYTHING including human lifespans

[@squirelova1815]

Yes, EXACTLY. Don't forget: Psychotic INBRED and brain damaged elitists. The silver spoon fed narcissist "elites" could NOT hold a REAL job for a single day if their life depended on it too, FACT. That's why they are absolutely desperate to maintain their obscene level of wealth at ANY cost including murdering any potential competitors of course.

[@1.9tdilove71]

You are absolutely right

[@helenmak5663]

I use premium for my Highlander, one tank of gas sure runs longer and car is more powerful on steep slope like the Grape Vine in California or just freeway entrance.

[@1.9tdilove71]

Tail pipe of my skoda Octavia 1.9 tdi diesel is very clean with very little car on deposits. I have used many diesel additives LM, stp, amsoil, I find LM and amsoil additives very effective. This time I will try Lucas. Let's see how it works

[@jhill4071]

Lot of extremely good advice on this channel about the Toyota Hybrids. It is appreciated. As to car gas.. The Engine Control Unit (capabilities depending on the year of the vehicle) measures air density, temp and numerous other parameters to adjust the ever changing fuel to air ration mix in order to meet the load demands of the engine. We have been all over the nation, both ends of Canada, most of Alaska and the Yukon. 2000 32H Bounder motorhome Ford V-10 engine towing a Honda CR-V. We used Flying J and Arco when available. A lot of the time its was just any gas station with a roof more then 12.6 feet high. Never had a problem with the quality of various regional formulas of regular gasoline even when climbing a 10.'000 foot mountain pass-unhooked.. Same for Mexico using Pemex gas. Biggest problem is random credit card skimers installed in gas pumps at isolated gas stations. scheduledmaintenance that I won't do. somethinglethel

[@steveewing2060]

Lots of good advice, except maybe the bit about consistantly buying 1 brand. I used to do contract work for refineries and have seen Texaco tanker trucks taking a load from the Chevron racks. Refiners often sell to each other, easier to manage production & sales. Top Tier fuel and a busy station are what I look for.

[@djburris1961]

Texaco trucks taking gas from the Chevon racks makes sense. They are the same company. It is Chevron/Texaco. like Exxon and Mobil are the same company, and Conoco and Phillips. However, almost all refineries put the refined gasoline into a common pipeline, and almost all transporters withdraw from a common pipeline. All gasoline going into the pipeline MUST meet a certain minimum standard. So what you get at a Shell station may have actually been refined by BP, or the gasoline you get at an Exxon station may have actually been refined by Conoco/Phillips. What really differentiates the gasoline is the additives put in after it is withdrawn from the pipeline at the terminal. With TopTier, regardless of the additive, whether Techron from Chevron/Texaco, Invigorate from BP, or whatever the tradename used, all must be at a certain level, making them virtually equivalent to each other. TopTier standards are way higher than federal requirements, and puts them on an even playing field. TopTier also requires ALL grades to have the same additives. Some gasoline brands used to offer their branded additives blends only in their premium fuels. TopTier doesn't allow that. I will NOT buy any gasoline that is not TopTier. There is a Chevron station and a Valero station very close to my office that consistantly have the lowest prices, and both are TopTier. And, I don't have to drive out of my way to go there.

[@aluisious]

You know why you don't have problems? You're actually doing stuff, driving all over with your motorhome and towed car. The people inventing bullshit problems they've solved by their clever selection of gas pumps drive 6 miles to work every day on the same road and their life is so boring they invent things to fix.

[@uriulrich4918]

In Germany you can get 95 E5, 95 E10, 98 or Diesel. Maybe LPG or CNG, too. But Gasoline wise you mostly have two or three options.

[@244thMeekrob]

The "what octane fuel should I use" discussion pops up at least once a week in my car groups online. There is always one or two people who swear up and down that they get noticeably better fuel economy and power with 91 over 87 in their 3ur-fe. Like you said in your video, and like I reply to them, the octane rating is related to your compression ratio and to combat detonation, nothing more, nothing less.

[@aluisious]

I got better fuel economy and drivability (low end torque) on a 3.6L V6 in a Ford Taurus on premium. I could measure it doing the same 280 mile drive over a mountain range and back at the same times and same cruise control speed every week for months. The manual said regular unleaded, but the engine was probably retarding the timing on regular vs premium. If you can test and prove it, it's not worth arguing about.

[@OscarRaphael-i4e]

I only put shell gas in my car at the same station and I am so happy to hear you say it’s a good thing.

[@flagmichael]

Before the US EPA released specifications for detergency in gasoline (1996, IIRC) there was a big difference in detergency between regular and premium gas. I think it was Shell that showed commercials on TV where they lit the exhaust of a car running regular gasoline with a torch, and then showed the exhaust didn't burn when Shell - or whichever - premium was used. I think that era was where the legend of premium gas started. Thank you a thousand times for championing top tier gas! There are probably some cars that do okay with EPA standard gasoline, at least for the life of a cheap car, and almost any car can tolerate a bit of random gasoline once in a while when there are no good choices available. We can eat at fast food restaurants once in a while, too, but we have to make good food and top tier gas the mainstays in our lives.

[@dre7719]

Random use of gasoline type. Leads to engine problems.. Pre ignition is one of them and you will hear it sooner or later (pigging or knocking) and when you do say goodbye to your horse power

[@aluisious]

There is no top tier gas in California. It all comes from the same two refineries.

[@TomBTerrific]

In another video you mentioned rather than putting an additive in you gas tank to clean deposits to just run a tank of premium gas through your tank. I thought that was a great tip!

[@jd9119]

higher octane gas tends to burn a little cleaner. Is it enough difference to make a difference? Probably not, but neither are those deposit cleaning additives. And he was suggesting you do that once a year or so.

[@mattingray5651]

Cars that require premium gas will say directly at the fuel gauge, because it is very important NOT to down grade fuel for these cars, you will ruin the engine.

[@wholeNwon]

If you MUST use less than minimum octane requirement, you can do so for a single tank or so but increase the octane to minimum as soon as you can for instance by mixing high octane with what's left in the tank. For instance: !/2 tank of 89 + 1/2 tank of 93 = 91. The knock sensor should prevent any damage. As an engine wears, compression decreases and high octane should be less necessary. But why chance it? If your engine is designed for regular but now, with time, knocks unless you use high octane, you may have carbon buildup.

[@commoncents5191]

My Lexus asks for premium but runs great on regular. The engine computer adjusts the timing to prevent knock. Premium not worth the minimal increase in HP

[@markphilpot8734]

I am glad I found you on this platform as most on here don’t convince me they know what they’re talking about. I believe in you and you come across as honest which in this subject, is a bit of a rarity. If that sounds harsh, so is life. Good, honest people are rare. I choose you as my advisor. That is a complement. It is hard to earn that status. I don’t yield it easy!

[@josepichardo2659]

You are a wealth of knowledge my friend.

[@markreams3192]

When you travel to higher elevations the octane levels of gasoline are reduced. Regular will be 85, mid grade will be 87. When I travel to these areas I use the mid grade because my Tacoma calls for 87. I use top tier gas always when available. I run a bottle of Techron fuel system cleaner in the tank once in a while, say with every oil change. Is this helpful? The oil is changed by a Toyota dealer every 5000 miles. (Toyota Care). I live in California so rust isn’t an issue with our vehicles as well as extreme cold start ups. If maintenance is kept up, our cars last a long time. I consider good gasoline to be part of that maintenance. Good video. There’s a general misunderstanding of what high octane gasoline does.

[@junglejuice23]

I rarely use anything other than Chevron. It has little to no smell at the pump compared to other places that are 50 cents cheaper or more, like Costco, ARCO and Sams Club. I find that my car accelerates less smooth when I use the low quality gasoline with a harsh smell. 2013 Camry SE.

[@francoisnarrainen6413]

Love your reviews, truly honest reviews, i have a regular Nissan Rogue and Honda Accord, i always put Shell V Power even if they take regular gas, simply because the engine runs smoother, less noise, well thats just me.

[@CarolinaGolfer2]

Just found AMD's channel today as I'm shopping for a Highlander Hybrid. I'm hooked, I've watched about 5 or 6 of his videos. I've learned more about maintenance in the last hour than I have in my previous 50 years. This info to Top Tier gas was awesome, and I'm glad I have been using Shell exclusively. And on his hybrid video!! Yes, I WILL absolutely maintain the filter to the Hybrid battery fan!! That was pure gold information!

[@TheCarCareNut]

Thank you for watching my channel Robert! Welcome to the Car Care Nuts Family!

[@michelebee991]

I also have just discovered this marvelous channel for learning about caring for my Prius v! I was shocked to learn about the Toyota recommended 10,000 mi oil change and will change my habits immediately to 5,000/6 months. My odometer is turning to 60,000 this month. I thought following Toyota recommendations was best for my vehicle until (thank you, my travel Angel) this marvelous man's channel popped up in my feed to teach me what I need to know. I see several videos I will be watching asap. I want to put 200,000 more miles on this hybrid if I can. I love this 2014 Prius v.

[@2000speer]

@@TheCarCareNut where the filter for the hybrid fan missed that. Have A 2015 Hy-brid with 90,000 on

[@lindanelson8400]

I guess I'm one of those nerds who read the owners manual. My Avalon specified regular gasoline. It always performed just fine on regular, but I thought like so many people that premium gasoline would have to be better. After a couple tanks of premium I couldn't tell any difference in how the engine ran, but one thing that changed was a decline in fuel mileage. I went back to regular gasoline from then on, and I always go to the same gas station.

[@confidentlocal8600]

The Tacoma's manual specifies 87 "or higher." The engine is also used in the Lexus IS, where it is rated for 91 octane. So for the Tacoma it's a case of an engine designed for premium that's been mapped to run on regular, probably because they wouldn't sell nearly as many trucks if the manual said premium is required. The engine is mapped for regular, and will not boost peak hp or torque on higher octane, but you can tell the engine runs on the ragged edge on regular and that it advances the timing on premium, improving low-end torque. I get 1-2 mpg more on mid or premium. Worth it strictly for mpg? Absolutely not when premium is marked up a buck or more.

[@agenty3652]

I was wondering about whether the brand name gasoline is worth it. Someone had told me once that it makes a difference and I’ve been following that advice. Thanks for confirming that I’m doing the right thing.

[@djburris1961]

MOST major brands in the US are TopTier. And most refineries put gasoline into a common pipeline, from which most distributers withdraw their gasoline. So just because you buy your gasoline from a certain brand station, Texaco for example, doesn't mean that it was refined by a Chevron/Texaco refinery. It might be from a Conoco/Phillips refinery. They all MUST meet a certain standard when put into the pipeline. The real difference is when they pull from the pipeline and put in the additives (Techron from Chevron/Texaco, Invigorate from BP, etc). And if they are TopTier, the additives MUST meet the same standards that are higher than federal requirements.

[@tardeliesmagic]

I mostly use Esso here in the UK (Unleaded 95Ron,normal run of the mill fuel) as it's closest to me,there is a 97 or 98Ron but that's Super Unleaded ie For performance vehicles. I don't often use Shell or BP ,but i do use it if need be.I very,very rarely use supermarket fuels.Used Esso so much in 30 yrs of driving,my 2002 Yaris which i've owned for 13 yrs had 90% of Esso in the 13 yrs of owning it,never had an issue with it nor any other vehicles i ever had.

[@afcgeo882]

If there’s one thing we all should have learned from that gasoline pipeline shutdown is that quite clearly, most brands sell the same exact gasoline that comes from the same refineries via the same pipelines. Just get your gas from a Top Tier brand (most are) and get your recommended octane rating. That’s all.

[@bikedawg]

Its the same base gasoline, but each brand has their own additives. Off-brand don't even add additives, so you will experience more carbon build up using cheaper gas.

[@afcgeo882]

@@bikedawg That’s false. All Top Tier brands (which is most brands) have a set list of additives they are required to have. Only a couple of brands add something unique to the formula. Off the top of my head, I know Shell and Chevron do. Almost all other brands just use a standard “top tier” mix offered by the supplying refinery. Also, there is ZERO evidence that a cheaper Top Tier brand is worse than the most expensive one.

[@cylonred8902]

@George L - totally correct. I have been driving for over 30 years, ALL of my cars have used non-top tier gas with nary an issue related to ANY fuel issues. ALL but one of my cars went over 100K miles with no injector issues ever. My BMW 330i has 291K miles on it - I bought it at 150K miles and have never even touched the injectors. The only thing fuel related touched on my BMW was the fuel pump and filter. Pump was going out after 180K miles and the filter was done at the same time because.... That is just good preventative maintenance. IMHO - Top Tier is the same as BMW putting Castrol on their oil caps - marketing, marketing, marketing, a partnership between Castrol and BMW that when not renewed - magically changes to a different oil brand that works (and always did work) perfectly fine. Supposedly Top Tier helps with direct injection but we will find out with our Mazda CX-5. Most of our station where I live are NOT top tier - Kroger and Speedway/Marathon is where most of the gas comes form. Every now and then we will get gas at Costco but it is far enough away that it does bot make sense to get all of our gas there..

[@afcgeo882]

@@cylonred8902 I don’t know about Kroger’s, but both Marathon and Speedway are top tier gasoline brands.

[@mikemccauley3487]

@@afcgeo882 you're welcome and here is a direct quote. one of many I have found from the car nut Hi! If available 0% ethanol fuel is better for all cars. But that is not available everywhere.

[@nolimitslim4701]

I was putting premium in my Tahoe and was shocked it was burning more fuel than normal. I put 87 the recommended fuel and it ran better than premium. Owner Manuel states 87. I only use Shells & Chevron depending on who’s cheaper at the time

[@UnobtaniumsQuickReviews]

I use 91 octane in my Rav4 Prime. This is because it is TT (Shell), and ethanol free (Hybrids sometimes take longer to drain the tank).

[@chawenhalo0089]

Presumably cars are ,"pre-tuned" or adapt to whatever octane is available you give it per market (within its parameters of course). In the EU for instance "normal" petrol is 95 octane whilst "super" is 98 RON. That's what I feed the NX300h and ut's giving me back 7-7.5L per 100 km.

[@naveenthemachine]

Great video I think you forgot to address one thing in this video. Some vehicles like modern ford ecoboosts or the Mazda 2.5Turbo where they say premium is recommended but not required.

[@TheCarCareNut]

Hi naveen! So on those cars for optimum performance they recommend premium but you can safely use regular

[@afcgeo882]

Variable compression engines. Honda has them too. They sense which octane fuel you have and adjust the oxygen mix and cylinder compression to match. Your best power will be with high octane fuel, but you can use 87 just fine. You might just get ~10% less horsepower.

[@psycho-nutkase9233]

One thing to note is at commercial or farm gas stations premium fuel such as (any 90 octane) have zero added ethanol (no E10) due to two stroke engines and and small carburetor engines fuel cans would be filled there. ethanol boils off inside of carburetors when its hot and the engine is shut off making hard starts plus leaving behind residue that clogs up the needles. So if you where to put in a vehicle you would minimize having ethanol related issues.

[@drbcrb]

Was just in Colorado and was able to buy ethanol free with 87 octane

[@andrewe1253]

The reason most people use 89 or premium gas is because these GDI engines pings or have detonation after sometime. Going higher in octane resist those pinging. 87 octane is not always 87 sometimes it is 85 and cause pinging in GDI high compression engines. 87 octane make your car run like crap and pings on acceleration or under load

[@tssci6774]

You likely have a lot more engine knock than you know running 87, in these modern engines, if you get to the point of hearing pinging, it is bad. In T-GDI engine, superknock can destroy pistons quickly. The ECM and knock sensor is dialing back your ignition timing, boost, increasing fuel (rich) to prevent the engine knock. This reduces performance. 87 is the bare minimum to meet OEM warranty, that is it, and is far from the most optimal fuel. Performance is also defined as engine cleanlieness, combustion efficiency and longevity. Engine knock is accumulative, it may no destroy your engine overnight, but in the long term will shorten the life.

[@boondockmutiny9955]

Can you make a video about fuel additives? Cleaners? Have you had cars come in for repairs after using them?

[@toninocars]

I had bad experience with both premium and regular petrol as we called in Uk . I usually run my Prius on 95 but from the different garages comes at different quality and I can feel the car sometimes doesn’t accelerate as normally does, last filled up with 99 octane and the engine went super quick, quiet and very smooth transition from electric to petrol . Plus when accelerating on motorways it’s a lot easier, perhaps was a good batch of fuel as previously I had the worst experience with 99 from different place

[@jeretso]

Avoid sketchy gas stations.

[@datathunderstorm]

Also have the same problem with E10 fuel in the UK - my 2008 Prius doesn’t like it. Noisy, vibrations that weren’t there before, a massive drop in MPG. Switched to E5 Esso 99+ Supreme fuel - and all the problems disappeared. Back to my quiet, smooth Prius with seamless transitions between EV and engine mode. I’m using a premium fuel for the E5. E10 isn’t good for my Prius - I can feel it doing my car engine HARM…..!!!

[@aluisious]

@@datathunderstorm bulllllshiiiit

[@54mgtf22]

In Australia the octane ratings are 91, 93, 95 and 98. 93 is E10. The fuel isn’t better, just a different scale. The difference in octane rating is pre-ignition protection. However, fuel companies put additives in 95 and 98 to make them run ‘cleaner’. Like you, I fill at either Costco or Shell.

[@dhepaaa]

Great video thanks, but I have more question though how about 2GR-FE on toyota and lexus, toyota takes regular fuel but lexus needs premium gas, why is that possible? because both cars have the same engine and same horsepower.

[@qasimhaleimi]

I think they tune the engine differently but most toyota and Lexus run fine on regular fuel

[@jimpie231]

Thanks.....but, in the Chicago area, there are only a few places were you can get fuel (distributors). I have watched one west of O’Hare field (Off Oakton, west of Elmhurst Rd) and all major/mom&pop stations picked up gas there. I have watched drivers adding one or 2 gallons of whatever (additives) on the top of the tank on the truck. I have used many different brads of fuel over the years and only had 2 problems with fuel in 55 years. Both were in the 60’s and it looked as if there was either diesel or kerosene in the fuel (we actually cleaned the gas tanks). In the 60’s and later, they used metal tanks in the ground. These tanks picked up moisture, corroded and leaked in the round, etc. Today the tanks are fiberglass and a lot of those problems have gone away. I don’t know all the answers, please comment on this. I do frequent newer stations and only fill up at old stations (10 years old or older) only when absolutely necessary. Thanks.....Jim

[@TheCarCareNut]

Hi Jim. Honestly I’m not sure about the material of tanks in gas stations. I’m sure they are heavily regulated and frequently checked for leaks into the ground as that’s a major violation. I use top tier gas stations and try to use the same one that never gave me issues.

[@SIGINT007]

I run 91/93 in my 3UR-FE V8 only because it’s mostly ethanol-free around here and the MPG is noticeably better than regular 87 with ethanol, even though it’s a flex fuel engine.

[@ruthnoya8424]

Look up Pure Gas or Pure Fuel website. The website shows where stations are that sell undiluted, non-ethanol scam gas. More expensive, of course, but better MPG and power. Tax subsidized corn gas is ridiculous, focks with cars, lowers mpg...just another hidden tax on us peasants.

[@afcgeo882]

MPG improvement from ethanol to non-ethanol is generally around 5%. Is the price difference worth that?

[@joecrews8296]

I went from overall avg of 25mpg on 87/89/93 octane to 30mpg-35mpg overall avg just by using "100% pure gasoline" and @ same $$ as premium why not use it... Also my 2012 3.5 v6 camry has a tick on 87octane. After using pure gas tick goes away. Id say worth every penny

[@njsongwriter]

@@afcgeo882 The price difference may not be worth it but if it burns more efficiently then my thinking is that it has to be better for your engine. So I'll use it even if it cost a few dollars more for a tank full. We eat organic food and grass fed beef. It doesn't save us any money but IF it contributes to better health and we can afford it, it's our money and it's our business. I'm 75 and when I die I can't take it with me anyway.

[@afcgeo882]

@@njsongwriter So you’re just basing it off an assumption rather than actual physics and engineering? 😂 Okay. The reality is that non-ethanol doesn’t burn more efficiently. In fact, ethanol alcohol creates a more complete burn in the cylinder, which is why it burns cleaner. The difference in MPGs is solely due to gasoline being more energy dense than ethanol. It’s funny when people compare eating organic to burning non-ethanol because those two are complete opposites in concepts. Ethanol is what cleans the engine and the environment. You’re proof that age isn’t always wisdom.

[@greenmarine5]

My Honda CBR 600RR owners manual says minimum of 89 octane, but it also Revs at 18000 RPM, but it runs very good if not better with non ethanol Gas.

[@tssci6774]

Great channel, down to earth info. I will have to disagree with you on this one. Several reputable studies have shown benefit from higher octane high detergent fuels in passenger vehicles. I have done similar tests with data logging the ECM and borescope cameras. 87 octane is the absolute minimum to maintain your warranty for the first 3yr/36000 miles, and it far from the most optimal fuel. The average consumer will be irrate if they have to pay for premium so the manufacturers de-tune the cars to allow for this minimum octane. 40 years ago high octane help little with standard ignition, carburetor, and primitive fuel injection systems. These new engine computers system can most certainly benefit and I have proven so with an inexpensive, blue tooth scan tool with data logging, and a USB boresscope with my phone. In my standard GM crossover with a 4 cylinder engine I was able to nearly eliminate all engine knock, increase engine power and efficiency using 93 octane. The higher additives in premium significantly reduces combustion chamber carbon build up. This carbon is one cause of engine knock. I have many pictures to prove it. I drove thousands of miles, under controlled conditions, and data logged dozens of sensors, tracked fuel economy and took pictures of the combustion chamber using various grades and fuel octane levels. 87 E10 is the worst fuel you can use in these modern cars. Ethanol is a cheap octane booster. It allows companies to use lower grades of fuel and still achieve the minimum octane, and maximize profits. Top Tier 87 E10 isnt much better. Use 93 octane, non-ethanol fuel from a major provider if you want the best, LONG TERM performance and reliability. When I say performance, not talking about the small horsepower difference. I am talking about combustion efficiency and performance leading to cleaner, longer lasting engines. The alternative fuels industry is getting so desperate that they are saying that non ethanol, high octane fuels will make your engines more dirty, and perform worse, which is bs. Ethanol in these small quanitities in GDI engines will burn much more dirty and leave more deposits. Ethanol has 30% less energy. Even Shell's 93 Octane Premium with Ethanol left significantly more deposits than the similar 93 octane non-ethanol premium fuel. You dont have to be a scientist to do your own testing, I am an electronics engineer, and DIYr for 35 years. Wish I had these tools when I was growing up.

[@location5152]

what if you cant find ethanol free gas? is it still worth getting the 93 octane even if the manufacturer says ok with 87?

[@ziomio]

I would point you to the marketplace TV show done by CBC channel here in Canada, they ran premium on cars that did not require it and they found out that they were more pollutant and harming to the engines.

[@christophervanzetta]

@@ziomio Yeah never trust state sponsored “news” channels 🤣

[@michaels7499]

@@christophervanzetta TRUTH 👆👆👆

[@jeretso]

My tank is 11 gallons so I get premium when the price difference is around 20 cents. That's $2.20 for me so no big deal.

[@jeremyking3986]

The only thing stopping me from getting a used Lexus GX460 is the recommendation of premium gas. I heard the same engine in a Toyota can use 87.

[@TheCarCareNut]

Hi! The Lexus could have different programming even though it’s the same engine. I would follow the recommendation

[@afcgeo882]

Luxury brand engines often make more power by adjusting the compression up, which then requires higher octane.

[@robertweinmann9408]

I have always used regular gas in all my cars, but I have recently discovered that my 1.4 turbo engine performs much better when I consistently use 89 octane. Much better throttle response, quicker acceleration, and 1-2 more miles per gallon. Much more enjoyable to drive. I have read that ECMs test for fuel quality by doing occasional ignition advance tests so I surmise that it is using a more aggressive timing curve with the higher octane gas. Maybe a more aggressive boost curve as well?

[@apexjoe4769]

I agree totally & I also use the 89 mid grade. It makes for a little more power with better gas mileage.You pay a little more at the pump, but it's worth it. Although some people will argue the point. It's a very "happy medium" for me and works for you as well.That's all that matters.👍

[@tssci6774]

Owners of these small boosted engines with GDI must use high octane non-ethanol if you want it to last. Also use 100% synthetic, engineered oil and change often. GDI dumps a lot more fuel into the oil and creates abrasive carbon soot in the oil. This stuff will wear out your timing chains, piston rings and turbo bearings.

[@tssci6774]

Yes these engines have knock sensor that listen for pre-ignition. When this occurs it will reduce ignition advance, which lowers power and economy. The O2 sensors monitor fuel and air ratio continously and adjust the fuel required. High octane fuel requires less fuel ti produce the same power. I have ran E30 fuel in my 2012 without problems, O2 sensors adjust accordingly., but e onony suffers due to less energy.

[@jeretso]

I do treat my car to premium when the price difference is 20 cents. It does feel faster for my small underpowered corolla.

[@confidentlocal8600]

@@jeretso 20 cents?? You must be out west. Around here (in the midwest) it's always a buck or more differential or at least 33% cost bump to go with premium.

[@chuckg1918]

This dude gets a like from me as soon as I push play on the video, I know every video is going to be great!

[@tracy3812]

More knowledge bombs from an awesome teacher. Ty, AMD-esp for the Top Tier gas info.

[@warmsunset62]

here in the uk - i usually fill up at the supermarket. Prices vary as to what supermarket you use, even though they all belong to the same supermarket. To my knowledge - they have to PASS a standard to be allowed to sell to the public. Even though the supermarkets belong to the same chain, the individual supermarkets pricing varies.

[@PriscillaThen]

Love the straight forward (and wallet-saving) advice, thank you! You said not to change gas station brands for consistency, but didn't explain what you meant by that, and how it affects the car, can you please explain?

[@TheCarCareNut]

Priscilla Then thank you for your comment! Allow me to explain. By using the same brand of gasoline you will allow the additives of that particular brand to work. Although most gas companies use similar additives but each companies formula is slightly different and the real benefits of these additives come with consistency which you achieve when you use the same brand. No additive is magical and works with one tank fill up. Some will argue this point to the end, but the idea here is the effect of the additives over a long period of time. If you plan to keep your car only for 3-5 years after buying it new then this is not going to benefit your wallet much. But if you’re keeping your car that 10-15 years or more then it will benefit your engine in the later half of its life. As a general rule of thumb with cars the small things that you do to care for your car multiplied by time equals longevity and reliability. Example of that is using top tier gasoline of the needed octane rating over time will lessen the chance of excessive carbon build up as the car ages.

[@PriscillaThen]

Wow, great answer, The Car Care Nut , thank you so much! 🙏😊💛

[@TheCarCareNut]

Priscilla Then you’re welcome! Glad I could help.

[@winch1587]

@@TheCarCareNut unfortunately, with the newer direct injection engines, carbon buildup in the intake track is unavoidable.

[@christophervanzetta]

@@winch1587 That’s why you stay away from GDI engine’s…

[@timtsai54]

regular or premium gas might not affect many bigger engine vehicles, but for smaller engine vehicles with less horsepower, like most 4 cylinders, the differences are noticeable. I used to own a 1979 chevy Chevette. The 93 gas did make the vehicle less noise and run more smoothly compare to 87 gas. The end results are getting better gas mileage and feel more power on the highway. One thing I totally agree with the speaker is that the gas from the top-tier brand does run better than the others.

[@romanc.5074]

Yeah, I agree.

[@ASSOpid]

False...and there have been tests to prove it doesn't increase mileage.

[@timtsai54]

@@ASSOpid For my 1979 Chevette with a 1.6-liter engine, it did. In theory, higher octane gas prolongs the flame speed and reduces the engine knocking. The vehicle engine with a high compression ratio needs to avoid lower octane gas. I used higher octane gas on all my vehicles, even if they don't have to. But based on the driving experiences, my entire family members feel the differences. For the gas mileage, it depends on which engines they tested. In theory, the high-octane gas should get better mileage even with the engine compression ratio accepting 87 octanes. The other benefit is that reducing engine knocking means less carbon built up.

[@ASSOpid]

@@timtsai54 illusory truth effect, or Confirmation Bias. You believe it to be true so it is. If someone told you they put 93 in your car but actually put in 87. I'd bet you'd still see the same results. It's all in your mind.

[@timtsai54]

@@ASSOpidI still can tell the difference. I can even tell the differences between the different brands of gas with the same grade. Why? Because I still drive a 22-year-old car. Again, I also have a Mechanical Engineer degree studying internal/external combustion in practical and theoretical ways. I don't understand your comment "illusory truth effect, or Confirmation Bias. You believe it to be true so it is". I believe what I learned and understand the fact in theory. This instinct is what an engineer should have. I think your comment only applies to yourself in your own words. So don't bet on something which only makes a fool of yourself. BTW, what's the big deal? If you disagree, so be it. Life moves on.

[@LongArizona]

I love getting educated from you, Master AMD! You are super awesome Sir! I hope that one day I can meet you in person! Thank you so much 😊

[@quailstudios]

What about ethanol free gas? I always use ethanol free in my small engines at home. Is it better for a car if a car is not driven very much? Thoughts?

[@TheCarCareNut]

Hi! Ethanol free gas is much better for cars

[@XBrandonLeeX765]

I previously had the same opinion about sticking with a top tier fuel brand. Until we discovered carbon buildup in our Lexus group. We had members with less carbon buildup/ problems when they didn’t stick with the same brand. Combining different top tier fuels is not a bad idea, as their combined with different additives to clean the carbon deposits.

[@tvincent1650]

This is what I was thinking. Why specifically not switch between 2 or 3 top tier brands for gas or oil?

[@XBrandonLeeX765]

@@tvincent1650 For Gas definitely. As for oil, I found what works best for my motor.

[@MArm-qu2qp]

This explains very well but Mazda makes it very confusing. Mazda 2.5l Turbo engine takes regular or premium gas and manual states you can use either. For your opinion which one we should use - better for engine? I don't care about gaining extra HP on premium, all i care is which gas is better for the engine longevity and doing it's job. Thanks a million, another big fan of you here.

[@jameskoralewski1006]

I only use top tier gasoline. However, all top tier gasolines are not equal. It is up to the refiner to determine what additives and cleaners they are going to add to the basic gasoline. For example, Chevron uses Techron while BP does not use Techron. I believe that the best cleaner available, at this time, is cleaners with PEA in them.

[@Nikolasto77]

So which gas stations use PEA?

[@jameskoralewski1006]

@@Nikolasto77 Shell 93 octane sells the gas with the most PEA.

[@wholeNwon]

There is a LONG list of approved additives to gain the "top tier" designation. Is one "best"? We'll never know.

[@bsperoz]

My go to is Cumberland Farms. But i have a lease so I hand it in after 2 or 3 years thus I don't worry about long term... Though I do still often have tire issues...

[@ClaudeBrunette]

Excellent, simple and informative. Thank you!

[@mafosa8519]

I’m running 89 in my 2021 Camry LE. “Racetrack” fuel in Texas Runs better at light throttle. Always a great share brother!.. Larry

[@njsongwriter]

Be careful some high ictain racing fuels that are not sold for highway use are rumored to actually contain lead. That's true for aviation gasoline as well.

[@theanimeotaku2794]

But the manual says use 87 or better as an example my 2012 Honda Accord says use 87 or better and use top tier detergent plus don’t use MMT gas

[@tssci6774]

MMT gas in the use US and Canada is banned. Remember 87 is the absolute minimum octane level set by the manufacturer to maintain the 3yr/36k miles warranty. It is far from the most optimal fuel grade. Owners would complain and not buy the car if they were told they had to use Premium.

[@JettaTDI2005]

Thanks .. Costco is my primary choice since it's close by and when traveling.. always look for a Costco or Shell

[@bedazzled64]

I have an older car that started making rattling noises awhile back and my mechanic told me to switch from regular to midgrade because there are less fillers. I did that and it has stopped with the rattling noises. He said because the car is older its best to use a higher grade of gas. It seems to help.

[@violinforever]

As your engine ages it fills up with deposits therefore making the compression cylinder smaller, with regular gas you probably had pre-mature detonation. When you put midgrade that delayed the detonation making your engine feel like it was higher compression and that's why your knocking stopped.

[@beexiong2995]

Your older car needs a tune up. Premium gas is masking bigger issues

[@Lifesrad8]

I have to put 91 in my old truck or it don't run well and most 91 has no ethanol in it so that's why I use it.

[@aluisious]

Gasoline doesn't have "fillers," your mechanic is an idiot.

[@aluisious]

@@Lifesrad8 91 certainly does have ethanol in it. It'll say it right on the pump. Stop making up stupid shit. Also, ethanol is an octane BOOSTER.

[@Mctsep]

Thank you for this channel I’ve learned more of this than any other channel

[@kyproset]

I have a 2003 Honda Accord 2000cc. The owners manual recommends regular, but I put premium and I'm sure the onboard computer adjusts the timing to where it should be. I noticed improved economy, also premium gas burns cleaner generating less carbon. Please comment.

[@karenk3593]

I had a 92 Nissan truck (thought it would be the same as a Toyota - gack, big mistake), but once I switched to using top tier gas, it ran so much better. I lived up on the CA/OR border and learned that even getting gas from a top tier brand in a different state can make a difference. OR top tier gas wasn't as good for my old truck as CA top tier. Gas really does make a difference. Great video.

[@LackeyKh]

KA's are notorious for pinging with lower quality gas. My 240sx's would always ping using 89 octane. Swapped over to 91 and it would stop 🤷🏼‍♀️

[@timdugan1896]

Thank you so much!!! You answered every concern I had. Thanks again 👍🏻

[@Tran391]

AMD my Toyota FJ specified premium gas but I rarely filled with premium. Never had any engine issues up to the time I sold it at over 200,000 km

[@occasx]

this is a contentious topic, as it's pretty widely known that higher octane fuels can in some vehicles, increase the MPG significantly. performance and resistance to pre-detonation in hot climates is also improved. here in Australia I drive a Camry Hybrid and I regularly run 98 octane pump fuel in my car (this is the highest rated octane rating that is readily available at almost all fuel stations) because where I live a hot summer day can reach 45-48 degrees Celsius (113-118 f ) and if I use 91 (the lowest octane rated unleaded available) the car struggles up hills and the engine can rattle during acceleration. I've measured the distance I get per tank of fuel when comparing 91 octane against 98 octane and it is increased by 100 to 150 kilometers (60-90 miles) per tank if I am using 98 octane.

[@qasimhaleimi]

My car is Toyota Landcruiser prado V6 Europe model in manual said select Fuel with Research octane 95 or above for optimal engine performance if not available you can use Regular Research octane 91 temporary so does it mean I can use whatever I want what I understand that you can fill with 91 only temporary in urgent need as in a trip for example if no high octane fuel and no need to make any engine change

[@billliebert122]

My 2014 Avalon Hybrid loves the ethanol-free 87 octane gas sold at our local station!

[@bryanhildebrand2251]

I Drive a 2005 Sienna with 210,000 miles. Have always used regular fuel. in the owners manual it says to use premium for better performance. Recently I have tried premium. Does it run better ? Yes. Better performance and smoother shifting and less shifting. Do I get better fuel mileage ? yes. About 3/4 to 1 MPG better. Does this off set the cost of the higher priced fuel? No. but I do like the improved performance. With the price of fuel going up I'll have to go back to regular. On a PA to CA road trip on I-70 east of Denver we where just holding 20MPG. we fueled up before heading over the Rocky's with Midgrade fuel. By the time we got over the Rocky's ( 11,000 Ft climb) and stopped at Grand Junction on the other side we had 22MPG. Go figure.

[@TheCarCareNut]

I love your logical common sense approach to this Bryan.

[@gwrider2146]

Yep, same for my '99 Camry V6, as it also states in its owner's manual that there may be some gains using premium with the V6 powered Camrys. But if it costs $.50 or more per gallon (which adds up to $7.50 or more extra cost to fill the tank😯), so the little gains I got just like what you got just aren't' worth it to me either.

[@confidentlocal8600]

@@gwrider2146 Just 50 cents?? Here it's a buck or more markup over regular, so it's more like 15-20 extra bucks.

[@cardiffchris]

Doesn't the Prius have a very high compression ratio? Thus, Isn't the Prius Engine one that will benefit from the higher octane. I always use Top Tier Premium and have always gotten MPG higher than the EPA rating. (Shell or Chevron) 2009 Corolla 34 to 39 2010 Prius 50 to 56 2014 Prius 54 to 58

[@TheCarCareNut]

If the manufacturer specifies that it can run on 87 it means regardless of the compression of the engine it can safely run on 87. If you feel a gas mileage difference between premium and regular that's good but remember you are also paying more for the gas. If the math adds up then you're all good! You can't harm any car designed for 87 by using 87.

[@Alisters_Adventures]

The percentage of mpg you gained by running premium is negated by the percentage increase in price from regular to premium.

[@njsongwriter]

Personally we run ours on ethanol-free gasoline which usually means premium cause it's difficult to find regular grade locally in ethanol-free. It gets better mileage. Yes it costs more but if it's getting better mpg then that translates to better efficiency and burning cleaner and more thoroughly which in the long term should translate to cleaner injectors, etc. and increased trouble-free longevity. I don't mind paying extra for that.

[@marcoeldetropoja]

The official mechanic of Toyota. 🙏🏻

[@mcr5645]

I would use from a place nearby that has a lot of traffic (refuelling the station more often) as this means the fuel is fresher, since gas breaks down over time. Another thing to consider is that Regular unleaded usually contains 10-15% Ethanol, which absorbs water over time. Premium usually has no Ethanol in it, so you are technically going to have better mileage (since Ethanol is less efficient) and if you let your car sit for a long period of time there's less water that will form in the gas tank and therefore less corrosion.

[@TheCarCareNut]

Very true! One note on premium fuel, not having ethanol is not always the case. Very few states allow this while others don’t.

[@mcr5645]

@@TheCarCareNut Interesting, I was not aware of that thanks for the info! Enjoy the rest of your weekend :)

[@tssci6774]

See my post on this forum.

[@ExSkyCyclePilot]

I don't think there are any stations left that carry ethanol-free gas in any grade anymore. I can't find any in my area.

[@stanthomas9890]

@@ExSkyCyclePilot ........non ethanol fuel is readily available in our state (Iowa) but it commands a higher price...........it does seem to improve mileage by 3-4 MPG

[@crystal79jones]

I have a brand new Toyota RAV4 . What gas should I be using. I have been using premium. Would be nice to go cheaper. I get a new car every 2 years. You are awesome!!!

[@TheCarCareNut]

Hi! You can use regular gas for your RAV4 without issues. That’s the gas they’re designed to work on

[@crystal79jones]

@@TheCarCareNut Thank you soooo much!😀

[@omairabaena8850]

I have Toyota Corolla cross hybrid year 2022, what gas should I put, premium or regular. Thanks

[@paulgantz9198]

Non-ethanol as much as possible for my 4 banger Mazda. 185k miles on 2010 and zero mechanical issues! Not to mention more power and greater mpg.

[@afcgeo882]

You don’t get more power or more MPG out of running 91+ when your car’s engine is designed for 87. It just isn’t how that works.

[@paulgantz9198]

@@afcgeo882 It's ethanol vs non-ethanol. Octane has nothing to do with it.

[@afcgeo882]

@@paulgantz9198 The MPG difference is about 5%, but it costs 30% more. Congrats!

[@paulgantz9198]

@@afcgeo882 if you understand ethanol vs non then you will understand it isn't just about MPG.

[@afcgeo882]

@@paulgantz9198 On an old car, yes. On a modern car, no. They were designed to run on fuel with ethanol in it.

[@BinhLe-uj3hg]

I just found your channel. You are the best of all. Very informative, easy to understand, simple but full of details. Thank you so much for your help full videos!!!

[@mohammedlabeeb]

great video. I'm always surprised to see few here and there thumbs down. I think the video was very informative and unbiased. So, I don't understand why someone would hit the thumbs down. 😕

[@TheCarCareNut]

Thank you! The beauty of humans is our different views and opinions on things. I don’t let thumbs down or negative comments affect what I do. I created this channel to help people and that’s who I’m focused on 😀

[@gregw8232]

@@TheCarCareNut I've read where some thumb down the video believing it eliminates any more like them being recommended. No idea here. Thanks for your videos, informative.

[@flyonbyya]

My ‘08 LS460 L 385 HP requires 93 and produces about 83 HP/liter or 1.37 HP/ cubic inch ! Compared to The naturally aspirated 7.0 liter (427 cubic inch) LS7 in the corvette that produces 505 HP has a lower specific output than my Lexus at 72 HP/liter or 1.17 HP/ cubic inch Lexus ROCKS ! Master Piece of an engine.

[@Gtbomb1]

I put 93 in my Avalon the mpg readout is 445 per tank, I put 87 the mpg reads 400, car seems to run quieter and has more "power" on 93. interesting video.

[@arthursmith643]

Don’t use anything higher than 87 octane you could harm the engine. The engineers built the vehicle for 87 octane. Read your book. Same with motor oil. Use what your book says.

[@season387]

I think you mean range, there's no way a Avalon is getting 445MPG. The range calculator on your dash is based on your last trip. If you drive like a manic right before you fill up, the range would be lower vs if you drive conservatively.

[@robtaylor1156]

​@@arthursmith643 Older, worn engines with carbon deposit build up can benefit from higher octane fuel. My 200K 2009 knocks with 87 which it was designed for. Quiet when I use 89.

[@kodyadams5561]

YOU ARE 100% DELUSIONAL. 93 WOULD NOT GET YOU 45 EXTRA MILES USING THIS FUEL . 100% IMPOSSIBLE, YOU NEED TO STOP DRINKING 😂 , TELL YOUR SHRINK YOU ARE HALLUCINATING BADLY 😂.

[@abdullah6747]

@@arthursmith643 not really. (Wow you can use it on 87 regular you will save a log of money) but the truth is that this is just a marketing for people to fall for it. I have a 2011 avalon when i put regular the car is ok but when I put premium the car starts jumping when accelerating even the dash starts shaking. Always try to use 91 or up on v6 engines so carbon build up doesn’t appear. Hope it helps

[@felixyu930]

In my city, the cheapest is actually the best. That's Costco!! It was $0.60/gal cheaper than the surrounding gas stations for months.

[@hoomanhajiabadi3420]

Great channel, thank you very much,l for comprehensive topic coverage and straight forward to the point👍🏼

[@johngertz5377]

The car care nut, I definitely subscribe to your channel. I did so because I was in the middle of looking for a good car and I did purchase a 2015 Toyota Camry based off of your experience with vehicles. It helped me make a good choice for this vehicle. It's a Toyota Camry SE, hopefully you have other positive things to say about this vehicle because I plan on taking very good care of it. Thank you for everything that you do it is much appreciated. John in Erie Pennsylvania

[@thorsky2754]

I can tell you, I'm in Az and in summer time, those Honda J35 engines much prefer 91 or better. I run premium in summer in my 4Runner too. Few extra bucks is worth it to me.

[@afcgeo882]

And it does absolutely NOTHING for that 4Runner. Go learn what Octane means.

[@waltp3373]

I filled my Prius up with non-ethanol gas one time and strangely got the worst mpg that I ever got. I calculate it on every fill up. I'm OCD that way. Thanks for the Top Tier gas info.

[@michelebee991]

Were you driving your usual percentage of city vs highway when you got the worst mpg? I always fill my Prius v at the same TT Arco station in my town, never in Vegas to avoid the city fuel taxes which make the Costco and Arco several cents more expensive than the lower taxes in my rural county.. I also check the mpg at every fill. My car usually gets 38 mpg but three months ago for some reason I got 40 mpg twice in a row while driving my primary use of the Prius v, highway through a mountain pass to Vegas for doctor appointments. Then it dropped back to the 38 again. I stay off the Vegas high speed highways because I can't resist matching the raceway effect of the faster drivers. Super speeding is quite popular in Las Vegas. I have more time flexibility than money so I use the most fuel efficient routes as determined by Google Maps. My habit is to maintain 5 mph above the limit in the city and 7 mph on this highway, where we get routine 80-100 mph speeders on the flat straightaways of this desert run. On rare occasions I run with the speeders because this 2014 Prius v will perform this task easily. Obviously I get lower mpg when I'm indulging my love for speed with the other scofflaws. 😁

[@michelebee991]

We have a growing racetrack training and recreational driving facility here in Pahrump. Our highway straightaway was closed pre pandemic to allow a land speed record to be broken...to let you get the mental picture of my desert run to Vegas.

[@justuskamulegeya7339]

Great job you do there man, thanks. Question my 2020 RAV4 pulls to the right as I drive on highways. What could be the problem it’s on 6000mils

[@TheCarCareNut]

Hi! Many reasons a car pulls to the right. One is as simple as low tire pressure on one side. Another is an issue with the tire causing a pull. If the basics are covered then an alignment is next. However does it pull if you drive on the left lane of the highway as well?

[@vincentmurphy9252]

I had a AMC my first car early 80s was in repairs then on road- got a hand me down Toyota Corolla from my brother that I think he changed the oil never- that thing I hear is still running- rusted out but still going - Maxima - Suburu - Avalon all cars have been great I’m stepping up Lexus 350 hybrid next ! Anything you suggest better if you ever read these - just shot in dark if you read comments- I’m sure hard to beat but even the Venza highlander are great for the extra 3-4 ,000 I think worth getting Lexus

[@enriqueperez592]

Very good fantastic teacher 🥰

[@Thankyou_3]

Hi AMD, my 2019 4Runner takes regular 87 octane gas however the few times I tried 91 Octane it actually got better gas mileage. The math is about 50 kilometres per tank. I also heard that since I don’t drive much, a tank will last me about a 6 weeks, it is better to use premium since it does not contain ethanol.

[@gordonbarber9652]

My toyota camry manfacture gas mileage is 28 mpg in town. I run with mobil 1 full synthetic, top tier 91 otane and average about 32 mpg + in town and my odometer sits at 112000. I would think with all that there is some proof it does help some to run with top grade

[@andybub45]

It’s not the octane, it’s the ethanol. Non ethanol gets better gas mileage.