Why Is The Audi 1.8T 20V So Good?

Turbocharged engines right out of the factory tend to be tuning friendly as not only the already installed turbo can provide more air with ease, adequate hardware is often standard stuff on such an engine. This is the Audi 1.8T, known as the 1.8T 20V, and it is a perfect example of such a motor.
00:00 Intro
00:32 History
01:24 1.8T design
02:22 Internals
03:14 Turbo & valvetrain
04:02 Reliability
05:16 Tuning
05:54 Power limits
07:19 Final wordsd
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- Credits -
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• Video
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• TWIN TURBO Audi B5 S4 ...

[@VisioRacer]

I do own a 1.8T B5 quattro, so I kinda began to like these engines a bit more. I always respected it and wondered what it would be like to own it. How many owners of the 1.8T are here?

[@OwlManoloPR13]

2002 VW New Beetle GLX 1.8t is my daily and I love the sound it makes. It's stock but still peppy.

[@highscore4643]

Long time ago my friend had this car tuned to 240bhp. Not too much but it was enough to do ~5 sec to 100kmh. Best time was 5.00X measured professionaly. He used to kill e39 m5, s4 2.7 and many more cars in shorter drag races. Yours is stock?

[@VisioRacer]

@@highscore4643 Yes, right now it is. I am soon installing ST XA coilovers, but engine-wise I poan minor bolt-ons in the future

[@biggabenne]

B5 A4 (058) 1.8tqm preface lift here, currently building the motor with SCAT rods, AEB pistons, gt2860 bb, SPA t28 mani, 3" catless, water methanol injection, silver just like the first car in the vid.

[@legoshi7907]

I like the engine, I'm even going to have to fix the timing kit for one due to the aforementioned fault with the water pump

[@dhanssolo]

I've always steered away from euro cars. And then my neighbor was selling his a4 b5 1.8t manual quattro for dirt cheap. Did some research and fell in love with it. Now it's my daily cruiser

[@zo.v1601]

Worked on these engines for 15 years now, never encountered an engine issue in my life. Annoying plastics and vacuum system for sure, but the mechanicals are probably the best amongst german cars. Nice video

[@rudydaberry122]

What about the 5 speed auto that was paired with it

[@zo.v1601]

@@rudydaberry122 sorry, never thought about automatics. You are rolling the dice with every single automaker with that one. Not trying to sound condescending, just my experience with them😒

[@3n3ly7m9]

@@rudydaberry122 The 5Tip-Tronic has a 100% failure rate with Torque Converter for the 2.7T S4 at around 100,000 miles to 150,000 miles. With the A4 they have way less power and last allllloooottt longer. Most if not all cars over 100 - 150 have already or maybe not, had the converter replaced. I have a S4 with it, and its just fine, but someone has put a TCU tune and Heavy Duty Converter in it. I have 1 A4 thats a 97 Avant FWD with a Automatic, it has 283k on it. Also have 3 other A4s with 160k, 283k, 309k miles but they are all 5 speed. I also have a 05 A8 with 129k and thats the 6 speed tiptronic.

[@ryanfitzpatrick7618]

meanwhile ive melted two pistons and cylinder liners due to leaning out injectors haha. wish i had your luck!

[@technorunner1]

And even then, a lot of those annoying plastics can be swapped with aluminum parts!

[@aeknikh]

My father's 98 passat,the very first car I ever drove and learnt to drive with,has this engine.Nearly 300k kms without any engine or transmission problems,still driving it and enjoying it!!

[@Timoastra]

Had a A4 1.8t for 5 years and 70000 km (160-230k). The car had modded downpipe, exhaust and injectors and made about 225 hp. Drove it like i stole it for the entire 70k km and the only thing that failed was some EVAP valves and a crank position sensor. Never missed a beat and did not leak a drop of oil. Awesome engines although a little weak in low RPM and not the best fuel economy considering its displacement.

[@teme5529]

Interesting. Compare this to a stock 1.8 litre 4 cyl 16 valve naturally aspirated engine in my celica, producing 192 hp and 180Nm of torque... Not that far off!

[@marko8659]

@@teme5529 180nm? my 1.6t fiesta makes 230 wtf

[@teme5529]

@@marko8659 Cannot be compared at all, it is a turbo. Take away that from your fiat and we will see then... Or if I installed a turbo on my Celica... Easy 300Nm...

[@kirsss1631]

Wondering if i could slap a turbo on a stock 98 1.8 20v on it and push 220hp out of it.😆

[@TEKATIKOKUTA]

It does not burn oil, or how much oil burns between oil changes? I want to buy this car with this engine but i read that they burn to much oil, it is true? Thank you!

[@tadman3d]

This is one of those all time industry changing engines. It should be remembered in the same class as Honda bseries. This engine single handedly started the entire chip tuning/remapping culture. Probably the most commonly remapped engine ever

[@half3651]

1.8t for life lol. Ive done so much to mine and love it. Been running 25 psi through my k04 (yes im aware im overboosting it, shut up) and it feels great. Such a great platform to learn about tuning and engine modification.

[@vigg69]

2003 Jetta 1.8t 410,000 km original turbo doesn’t burn a drop of oil. Been tuned since 270,000 km. Running 18psi. Great little engine

[@Ash-lq4xx]

Good review on the 1.8t 20v engine. Very very good solid engine for big turbo builds. A couple other things to note though…. The main caps on the crank tend to fail after around 600bhp so people now change them out for billet main caps. I’ve got an S3 8L with 642bhp and 516ft lbs on 99 Ron fuel with water meth injection. One of the highest powered S3’s here in the UK. Pretty much changed everything in the engine to make sure it’ll take it and more in future.

[@Engaelic]

Got my 1.8t at 321000 km, and six years later @410000km I am, well, planning for an oil change next Monday. An absolute unit. I've been calling her Little Fury since day one.

[@podshortsdose]

Oil change after almost 100k km?!

[@presidentmorsi4677]

@@podshortsdose yeah but its suggested maintenance so i just dont do it.

[@kevinbrekke8823]

I own a 1.8T in my Audi TT and till this day still have lots of fun and memories with it ❤️

[@tiagosilva.b5]

I was wating for this video for years!! This goes straight to my favorite videos! Thanks for making this I freaking love my A4 B5 Avant 1.8T 😍😍

[@FlyingStuff]

Would love to see you make one on the 2.7TT

[@tiedyebohnert]

Please

[@NicoBiturbo]

Its pretty much exactly the same engine.

[@Pertinear_Perfect]

@@NicoBiturbo ummmm no

[@zakbrinkhoff324]

That is the true God of Audi engines that's the equivalent to the 2JZ

[@TheKILLMANIA25]

@@Pertinear_Perfect It's literally a V6 version of the 1.8T. Same bore and stroke, same style cylinder heads, same materials used for block and heads.

[@oleo007]

Here in Brazil this engine is very popular too! This engine is very similar to AP engine.

[@lucascesar2257]

EA827 para os gringos

[@oleo007]

@@lucascesar2257 Exato,eu esqueci o código do motor!!!!

[@marcos2250]

APzão é um mito até na gringa

[@ArtByAusup]

Feeera motor AP - um clássico! Eu tenho esse 1.8 com um K04 no meu TT Quattro Roadster aqui nos Estados Unidos, e o motor dá mesmo uma sensação daqueles Volks de 1990.

[@danilomoura588]

Galera aí sabe se fica toop montar o cabeçote 20v no bloco do 2.0 Apk para turbinar

[@deadmarch101]

I have an Audi S3 8l, 120000 miles brilliant engine, very quiet at idle and pulls all the way to 7k. I’d like to point out that nearly all engines will run forever if correctly maintained, but this will almost never happen because cars depreciate and fall into the hands of idiots who want a 6 month fling

[@TheMew3]

I had the 1.8 NA 125hp. in my Skoda Octavia h1. It was a perfect balance between horsepower and fuel economy for every day driving. Plus outstanding reliability. I've never had any issues with it. :)

[@KowalDWR]

Tbh 125 hp on a car this big is way too small.

[@teme5529]

Ooh I have 1.8 NA too, oh boy it rips due to low weight... 192hp stock!

[@rallipete]

@@KowalDWR I had a Volvo 240 wagon with exactly 100hp it weights 1700kilos

[@KowalDWR]

@@rallipete this is one of the reason you "had it".

[@rf-cinematic1576]

My old 1999 Audi A3 1.8T works great with a K04 turbocharger. I was today at the "Autobahn" and and I was the most time between 180km/h and 240km/h cruising. And my engine has run for over 270.000km yet

[@tiagosilva.b5]

that engines if you take care of it, can do more than 500.000 km

[@XX-nw1xg]

I love these engine specific videos

[@spinnetti]

I had both B5 and B6 with my B6 Stage III for 145,000 miles with no problems. Coil packs, waterpumps and cracking plastics all happened as you mention though. Great motor, and the B6 in particular was a great car.

[@Goazbox]

Essentially, everything on needs to know about the 1.8t 20v is mentioned in this video. Kudos to you my man.

[@LcFan96]

there are issues on the 1.8t tho: turbos and headers like to crack, theyre consumables on those engines due to the head being a hot one. oil sludge that can block the oilintake from the pump, so you should be doing your oilchange atleast once a year or every 10k km. sometimes even the head can crack from valve to sparkplug hole, but thats rare. other than that, these cars are getting old so youll be needing to do lots of cooling hose replacement (nearly all on my 99tt bursted by now), some stuck theromstats here and there, some leaking cooling flanges. some leaking valvecovers and oilpans, other than that, if taken good care of they are pretty reliable. also they are huge differences between the 150 and 180hp engines to the 225/240hp engines. the higher power one feature double oil squirters for the pistons, dual intercoolers, a shorter and flipped intake, bigger turbo and bigger injectors. other than that great video, you covered a good amount of infos. much love from germany

[@VisioRacer]

Thank you for sharing additional knowledge of yours!

[@LcFan96]

@@VisioRacer thats what we are here for, your great videos with informations packed into it.

[@TheSilviu8x]

I would like to add, that I've got mine A6 1.8t AJL 98', used with 120k and a suspicious clean engine and coolant... Of course the thermostat was stuck open with a blade from the water pump, but even after it got stuck closed and boiled over countless times, on way home, frying up the oil, I've got it cleaned and tuned and drove it like a hooligan, for another 5 years until "it broken down again", loosing coolant in seconds! The guy who bought it and fixed it for ridiculous little money, still drives it!!

[@fuse8052]

They eat coils . No clearance between oil pan and pickup tube along with sludge issues

[@LcFan96]

@@fuse8052 ignition coils? if so, an upgrade to tfsi coils (red audi ones) should help. i did that with my tt. if you have the factory square ones that is

[@paddycoleman1472]

Never had the 20V version, but I have owned three 1.8Ts all in Audi A4s. Love the power plant as it is refined, powerful and very reliable. My current A4 has now done over 150K miles from new. Max (my car) does drink a lot of oil these days.

[@dirtbiketherapy]

Loving this series man!!!

[@tunanocrust5089]

Had my b6 1.8t with a 5 speed for a little over a year. She’s been great to me, a few issues but nothing to major. Getting ready to tune now since the maintenance is all done ko4 is installed, as well as high flow cat, bigger injectors, dv upgrade. Can’t wait to see what she does

[@tunanocrust5089]

I ended up getting crashed into and had to sell the car. If you live somewhere with lenient smog I’d suggest getting rid of the oem check valves and excess hoses. Plus turbo upgrades are easier to get away with if you want to go with a garret. Happy tuning everyone I now own a mk7 alltrack that will be fast soon

[@nicokessler6120]

Yeah finally my favored engine! :D Thanks for that! I had a Audi A4 1,8T BEX with 190 HP. VisioRacer allready mentioned the fals air intake-problem. This is really easy to fix, just lift the oil lid at running engine. If it sucks vacuum, then you have to replace the Kurbelwellengehäuse-Entlüftungsventil (Crankcase ventilation membrane) this part costs about 30 euro. Also very common are heatcracks in the exhaust manifold. They usually close trough heat extension after warming the engine up. Sry for the bad english^^

[@KowalDWR]

I have a crack in exhaust manifold too and dunno with what to replace it :-|

[@TheWhiteFang96]

I had a B6 1.8T Quattro. Stock its bland although great in the Winter up here in Canada. But in the Summer I added a stage 1 tune and went catless exhaust and the difference in sound and torque was amazing. 16psi on stock diverter valve. These engines are Bulletproof and require minimal maintenance compared to other audi engines

[@twiceone001]

Thanx VisioRacer for the good specificated video. I own a one A3 1.8T AGU.

[@DumbMcDoofus]

just bought a 2002 passat with this engine thanks to the video. it's what finally convinced me to get one.

[@SteezusChrist__]

Love my AWP 1.8T, going strong at 190,000 kms with no major issues. Been keeping up on its maintenance schedule, hope I can get as much life as possible out of it.

[@2stroke438]

AWP here too, just passed 200k miles. No serious problems other than failed sensors and coolant hoses/flanges.

[@alexcoupe.]

Had the 190bhp BEX in my A4 Quattro. A great little engine 👍

[@mk2daz]

That was a nice surprise to see my Mk2 Scirocco at 4:54 ! Nice video

[@Drfine22]

Thank you for this video 🙏. Looks like you are having fun with this powerplant.

[@yodasbff3395]

Thanks for the video👍, my nephew loves these engines. I'll sticks with my 1.9 TDI, 400k miles and still running strong.

[@imnotusingmyrealname4566]

Wow that's a very long running engine.

[@joshh694]

I got the 1.9 alh tdi and the 1.8t's bigger brother, the 2.0t. Both very fun cars! Tdi has 350k miles and haven't had to do anything other than timing belts

[@imnotusingmyrealname4566]

@@joshh694 alh tdi?

[@shafferjoe1962]

Did you do a video on the 1.9 diesel and its benefits? Thank you, for another great video...

[@danielmarshall4587]

Lovely vid cheers, and yes the "TWE-EGH-VALVE-TURBO" as is often said here in the north of the UK, was/is a much loved engine.

[@angelothabo4107]

I love this guys video he knows alot about audi and VW

[@biggabenne]

Wow your prediction of 186,000 miles is pretty accurate, i had to replace my piston rings due to lost compression at 185k. It would've ran longer if the ebrake didn't fail and hop a curb and go swimming in a pond with a cracked oil pan. still made it 5k miles on a huge roadtrip and back before the rings seized.

[@Skelturoth]

I used to have the A4 with this engine, it ran perfectly fine the whole time. Then I got a TT with the same engine, but slightly more powerful. For 11 years, it ran perfectly fine. I regret selling it every day.

[@KowalDWR]

Thought about buying tt, but I find it a bit too much suited for women, due to oval shapes.

[@Skelturoth]

@@KowalDWR I look at it this way: New Beetle is on the same platform, even carries the same engine, and that one I find more suited for women. TT is all oval-looking, but it's robust and not-so-easy to drive like for instance the A4.

[@promatrix561]

@@KowalDWR I’m 20 and I have a TT honestly beautiful car and it makes you smile every time you fucking drive that shit and hear the turbo fucking sick I don’t give a shit what people think it’s awesome and you’ll fall in love with it at least that’s what happened to me

[@KowalDWR]

@@promatrix561 that's cool mate. Gotta love these 1.8t's. My 230hp 1.8t doesnt make extatic noises though.

[@treedeblue]

@@promatrix561 what do u think of the TTRS’s bro

[@danieloshaughnessy8476]

After my 1.8T Jetta wagon was rolled, I now have a 2004 Passat B5.5, with the tiptronic. My Turbo is still going strong after 158K. Also original alternator! Car has been super great to work on. Believe it or not when i got the car just over a year and a half ago it still had the original air filter! A true testament to how the car still went on strong. I also had a split PVC boot and faulty PVC. No idea how i did not blow a seal! Fitting a manual boost and oil pressure gage, and an oil catch can is a must for these cars! Still get up to 30 MPG's doing 80 MPH! Average 25 mpg's. I want to keep this car as long as possible, then I will go out and buy another!

[@unsaidatom2310]

The AEB is an unsung hero. I had two in B5 A4TQ and they both kicked ass. One had a mild tune and the other with a GT28. They don't match today's 4 cylinders, but 20 years ago they were amazing!

[@blueskyline6088]

Got a Audi A4 B5 with the 1.8 20v only without a turbo. Still a good and reliable engine and car !.

[@tiagosilva.b5]

I had an ADR, most reliable engine Ive ever seen in my life, if it was today, I dind't change to the 1.8T

[@willemveenstra2084]

I tune those engines every week, they are definitely not the best or superior.. but they are a good, strong and a great start for beginner turbo enthusiasts!

[@hassangooner233]

just got myself an S3 8L with a t3/t4 turbo..love it😍

[@ashes_s3928]

I love my 1.8T! going to post that build soon too!

[@markusseppala6547]

I had a 97 A4 1.8t with just a tune. 190hp / 290nm, it was fun to drive and torquey but wasn't happy much past 5k rpm. The stock downpipe is a bad restriction.

[@flstudiotutorials1057]

i have a a4 b5 currently, it belonged to my grandpa before and he tuned it. i am now looking for a 3 inch exhaust and a k04 tubro.

[@Jaytiago]

@@flstudiotutorials1057 where you guys at? Im in jersey and I’ve never seen another b5 i feel like im the only one

[@tiagosilva.b5]

yeah if you install a full exaust from the headers to the end, and install an IC and tune it it's so much fun and you can go up to 7Krpm

[@Reefer-Rampage69]

@@Jaytiago VA

[@jaspal666]

Well... my US spec 1.8T had issues all over. Failing coil packs, cracked head, starter issues, failed intake hoses. The icing on the cake was a failed timing belt tensioner at 50k miles, just out of warranty. Valves collided with the pistons, destroyed the head. Good times!

[@waifuracer6516]

What part of the US you lived in? The cracking head/turbo is mostly in hotter climates. I went through one 1.8T engine but it was because the previous owner didnt change the oil and it sludged up and killed the oil pump. The second engine i had for around 50k miles and it was faultless. Had some vac leaks but sorted that out and a dipstick tube that fell apart from age. All very easy and cheap fixes. I loved every minute owning it even with the first one loosing oil pressure which wasnt really the engines fault, more of the previous owners and the fact that I didn't notice

[@KingAlmightyDee]

Actually the head cracking issue was on the b6 Audi A4s due to them switching casting manufacturers. The b5 never had that issue.

[@jaspal666]

@@waifuracer6516 I had the car from new as a 97 model in Texas. Further issues came up when the head was replaced as the the shop reinstalled the turbo after it had been damaged while extracting a stripped bolt/stud. I didn’t include these issues as that’s a dealership problem not an engine issue. It got to be such drama!

[@jaspal666]

@@KingAlmightyDee My B5 had the cracked head. May not have been common but it was enough for the coolant to pool in the spark plug well and crap out the coil pack.

[@gasperbucinel]

Love the video!

[@vr6prodigy]

This was definitely a fun video for me. 1.8t swapping an mk2 or 3 is just a great choice always!

[@damienwood1414]

Forge the rods and up the boost. Great engine.

[@DanteTheAbyssalBeing]

I adored my 1.8Ts, they sound outrageous with a big open cone filter. They're a lot of fun when tuned and in a nicely modified car, and parts are everywhere. A new engine can be had for less than £200 in the UK if you take it too far with yours (rods are the main weak point). Mine were exceptionally reliable, but if you don't take good care of them you will run into trouble. Regular oil changes are a must, I did it every 6 months.

[@KowalDWR]

10k km or 1 year oil change interval is optimal.

[@poovaneswaransupramaniam6706]

Nice video....loved the powertrain on my 2008 VW polo GTi 9n3 1.8 turbo manual....greetings from Malaysia

[@drifthero1176]

Finally a 1.8t vid. Now I can annoy my friends with this 😂

[@IOWPCV]

Had a A3 1.8t with a S3 engine in it ( FWD tho) about 8 years ago. Was rapid but after examining chassis it had been crashed at some stage and repaired, nothing structural luckily. Was silly fast for what it was tho.

[@fuse8052]

So you had a Jetta basically

[@hexagonosaurus5848]

@@fuse8052 he had a golf basically

[@adriigonzaalez1788]

@@hexagonosaurus5848 he just had a tt basically

[@hexagonosaurus5848]

@@adriigonzaalez1788 a golf.

[@adriigonzaalez1788]

@@hexagonosaurus5848 oh boy you didnt get the joke...

[@heikkipartanen6972]

Audi b6 1.8 tq 163 hp. Reliable and smooth engine.

[@TeamGxx]

Just got an 2010 a3 1.8T, absolutely cracking to drive

[@kottarainen665]

Awesome video 💪 Good facts

[@oliverlowe8297]

Do the F4R(T), started life as a heavily reworked Clio Williams F7R, went on to power some of the best hot hatches of all time, and is still in service today in the Dacia Sandero RS.

[@JackScooter17]

love my F4R in my clio rs 200

[@adriigonzaalez1788]

Dacia sandero rs? Where does dacia sell that? I just need one now that i know it exists🤣

[@oliverlowe8297]

@@adriigonzaalez1788 it’s sold in South America as the Renault Sandero RS

[@TheSmookk]

I bought one of these to fit in a polo 6n2, absolutely hated the polo's road feel so its been abandoned since, one day i'll shove it in something else

[@surrealness]

thank u engine daddy for this cohesive info

[@lechkrol4883]

I wonder if u can modify a Honda VTEC cam to run on the intake side. That middle valve would get the VTEC lobe at all times. Just a random thought. But it wouldn't to far off. Also would be cheaper just to upgrade the original cam. But still.

[@haydenadams6606]

That’s actually a good idea, it would all depend on degree of when the cam opens plus valve springs and retainers.

[@patrickrodrigues4202]

Stock they're a little bit boring. But with correct parts and a good tune, they run very well with a nice sound. Bulletproof if they're correctly maintained

[@krisjones0926]

love this video

[@DjNikGnashers]

My friend had a 2001 S3 with the BAM engine, it made plenty of power with a catless downpipe, 285bhp. It wasn't without it's problems though, he was constantly trying to get it running right.

[@fastinradfordable]

As a tech in their hay day only one thing caused sludge. That is a pcv system failure. The valve goes bad (hidden inside a hose) and leaks boost into the crank case vent. Taking all the sludge from the crank case and turbo charging it into the oil pan. This also caused oil leaks. Because you are turbocharging the crank case. This was made doubly worse because owners refused to pay the labors to properly fix the system.

[@paveljanouch4664]

Hi, I have 1.8T 132 KW AUQ, And i suspect this PCV is bad. Could that cause bad starting when cold? also pressure drop in intake? When the car gets warm everything is ok. No check engine light.

[@Jamk14]

Got a 1.8t and a 2.7t both are amazing motors. 1.8 has 247k miles and it's my daily driver. 2.7 makes 500 hp on some rs6 turbos and e85 👌

[@zakbrinkhoff324]

2.7 t only good one

[@brannon8498]

S3 8L (BAM) owner here on 196k still going strong!

[@1245rs3]

I miss mine, had a 2001 aww and awp. I did a GT28RS and it was bullet proof.. Great motor

[@piotrradzinski500]

I own 2003 passat B5,5 1.8 t 150 hp, awt engine code. 285000 kms, with automatic gearbox and runs for 200 kkm on lpg. Best engine! Also dad have 1.8 20v Non turbo with 400 kkms, 250 kkm on lpg. Still runs without engine rebuild and it is in pretty decent condition. 1.8 20v is my top of relability just after 1.9 tdi vp engine.

[@pervertt]

The 1.8T (with KO4 turbo) and the EA888 (with multiport injection) are two of the best engines Audi has ever produced.

[@3n3ly7m9]

Most people throw the 2.0 engines together, just because they are so unreliable. BMW 3 series, Mercedes ML, and Audis, Volkswagens with 2.0 are the most common European cars at junkyards.

[@pervertt]

@@3n3ly7m9 It's hard to see sense in condemning an entire engine class on account of their displacement and configuration. I can't speak for 2 litre engines made by BMW or Mercedes because I'm not familar with them. But I do have an 8V S3 and I can't speak highly enough of the Gen 3 EA888. However, it's not just my opinion, Visioracer also has another video on this very engine. Look it up.

[@3n3ly7m9]

@@pervertt Well not just Mercedes or BMW engines of the displacement equivalent just any of the BMWs from 2004-2010 3 series and all the ML230 to 500 during the 2000s. I stick with timing belt motors, so I would say a Belt 2.0 would be the better engine in terms of keeping the vehicle. I like all the 1.8t, 2.8, 2.7t, and 4.2. I own multiples of most.

[@pervertt]

@@3n3ly7m9 Both belts and chains have their place in well designed engines. Neither is perfect. Belts work best when you have owners who replace them on time.

[@TOHA_TURBO]

Peace from Estonia! My car in this video!))

[@superfast30]

I owned a B6 Aydi A4 1.8T quattro and it was incredibly reliable. I never modified it. I would routinely get close to 1000km on a full tank during long highway drives. I still own a 2004 Jetta GLI with just a tune, cold air and bypass valve. Really enjoy driving it.

[@Reefer-Rampage69]

I love my 1.8t. The engine is great and so is the car! It’s just always something stupid breaking lmao

[@Eduardo_Barbicha]

Esse motor é monstro! É a reencarnação do saudoso motor AP.

[@centrinoseco]

I like your videos. Would love to see GM's HF V6 with LP9 and LF4 engines in Saab, Opel, Cadillac.

[@danielcraig243]

Great driving

[@2Skills4u]

Enjoying my 1.8t Cupra, mk1 Leon's are the best looking ones with 1.8t imo ;) pushing 221hp atm with 336nm of torque and honestly I think that's enough to satisfy me, coulda went with a cupra R and get 225 stock but...I didn't lol. used to be equal with my mate's Type R when doing rolling pulls now I'm leaving him behind even when giving a lead. Engine head rebuilt in October so 5 months ago and semi-refurbished the gearbox too we'll see how reliable it lasts at 90k miles now. Drove to Belgium from Scotland and back last month which was 2,000 mile round trip no problem. Only issues I had with the car was timing belt got chewed as previous owner never replaced the bolt for the engine mount when he polybushed, they're single use bolts so it snapped when I reversed it and the threaded bit fucked the belt up. Then had Cam position sensor fail on me, £20 and 10 minutes later that was fixed. And finally used to get 2 engine codes due to the decat, that got taken care of when remapping as it would come back if I'd just erase it. Trouble free for now ;)

[@Chingy474]

All personal preference. I will pick my A4 B5 Quattro anyday over any VW, Seat or Skoda.

[@ricardorosinha5482]

THE BEST ENGINE!!! I have the agu 150 on my a3 and the APY 210 on my s3, that engine just want always more and it’s inbreakable…

[@carlbaptiste__]

Very informative

[@jonathanpursiainen63]

My 1.8t passat B5.5, made a similar sound to the SR20DET. 3inch wide exhaust, with sport muffler Made around 180-190hp by unplugging the MAP sensor. Power filter (air filter) Removed the CAT And directly plugg the wastegate onto the turbo (1.6bar of boost) Fun to drive, and made it over 450.000km/ started on the first tooth

[@dmitrikaljuznoi1323]

The durability numbers of 300k is pretty pesimistic i`d say. I had an a4 b5 with a 1.8t and the milage was 350k (pretty sure the original milage was higher as the car was 25 years old). Reliability was almost perfect even with some mods made

[@3n3ly7m9]

309782 miles or (whateverish 600kms) the stock turbos wastegate broke

[@buddysshop1860]

375k km all original with stage 2 tune beaten on daily 😎

[@Edik0704]

Me who has 171k km with the Original Turbo 😳 Edit: To be fair, my wastegate is ratteling, which stops after the engine heated up

[@biggabenne]

your profile pic is your reaction to the turbo

[@Xyosyss]

I've had 2 GTIs in the past both with 1.8t's. One was an 01 and the other was an 03 with the k03s turbo that made 180hp from the factory. Full intake + downpipe exhaust and a remap gave it in the ballpark of 200+ whp. When you have a gutted MK4 with that much power, there's not many cars that could keep up with it 0-100, but it did run out of steam in the top end. Crazy thing is that both were extremely high mileage motors and still ran like dreams, one was at 275000km and the other at 335000km

[@Thumper68]

I had a 2001 Wolfsburg Jetta with 1.8t with some simple bolt ones and it was pretty quick car and turbo sounded good with the AEM cold air intake.

[@locojambo]

I have a 1.8t agu fully stock with 165,000 miles on her and she still purrs like a cat. Couple of years ago I pulled the threads on the sump plug (2 oil changes per year for last 13 years maybe had something to do with it) so I replaced the sump (along with the oil pump). With the sump off the engine looked as if it was made out of gold. I wish my phone hadn’t died as so I could have took a picture, I’m not kidding you that engine was pristine.

[@3n3ly7m9]

I have 5 of these. and 1 2.7 and a 4.2. Love them all :D

[@Sniffy-Biden]

I have a manual b5 1.8t Audi at 244k miles just did head gasket top end kit and maintenance while head was off replacing common issues coolant pipe sensor new pipe seals boost lines. Runs amazing at that mileage and daily driving now

[@BradThomasJ]

Just picked up a Skoda Octavia 4x4 1.8t (APX 150BHP) and it's amazing, already been remapped and has ko3s turbo, straight through exhaust, it's a quick car!

[@johnjerrehian4642]

I owned a 2002 Audi A4 1.8T. Great car! Eventually, I replaced turbo with a GT28 turbo, 480CC injectors, larger inter-cooler, S4 brakes, RS4 sway bar, cold air intake, high flow exhaust manifold and exhaust system, ect. Was running aprx. 300HP/290 trq. I had 275,000 miles on it when my brother purchased for his kids. They drove for a few years, (de-tuned) and sold car. Very reliable and fun to drive.

[@sailboatships2043]

Those kids 100% re-tuned it

[@1988orpheus]

Had an A3 with a chipped 190ish hp and currently a TT Quattro with the 225hp K04. Great little engines, but work better in higher revs. The K04 units also have twin Intercoolers I believe.

[@itzblitzyv3664]

I've got the bam in my cupra r it's remapped to 275bhp & I love it!

[@GabeNydick]

I have an AWV new beetle that I'm going to be building the engine on soon. It's already pretty quick with a tune

[@s.o.s.exploration2412]

I've got a 2004 VW Passat Wagon 1.8T with the AWM code. I love 1.8's as I've had a variation in my 91' Escort GT 5-Speed and my Nissan Sentra Type E which was a 4 speed. I change my oil every 3k miles and currently use and love my NGK Iridium Plugs. Even after it sat 4 the entire winter 2 cranks and starts with ease. Very dependable motor that is still whisper quiet with 208k on it.

[@bettersteps]

I once owned a 2001 manual Golf with this engine. I loved that car. Cried for an hour when I decided to sell it for a 2013 manual GTI.

[@burns985]

If i use 1.8T AGU head and mk5 TFSI engine block, does that work ? Also which engine mount should be modified? Thank you

[@387Official]

1.8T AGU stock here. Drived 20 kilometers without oil due to cracked oil cooler rubber seal. Didn't noticed, tought it was faulty oil sensor lol. Repaired it and nothing happened. These engines is build to last. Greetings from Bosnia.

[@gabrielvanya8245]

Just to give a heads up: the internals could actually hold 500hp, but the weak part are the Connecting Rods. It doesn’t matter which engine, they only do about 380Nm, above that and it’s just a matter of time until they bend.

[@jakeeames725]

I am currently building a 2004 passat 4 motion with a 5 speed! Got it for free all it needed was a fuel pump. Currently putting kw coil overs and adjustable arms and polybushings can’t wait to drive it

[@benzbemo]

Thinking about getting a 1st gen Octavia with the TSI as my first car. This video is just cementing my decision. :)

[@A4B5Turbo]

Cool to see my car here @ 1:25 :) Thnx!

[@myneymo77]

Mate, bravo 👏