2021 GMC Sierra 1500 AT-4 Duramax Diesel Walk Around for Mike - Daman Randhawa @ Wheaton GM

Looking for the perfect combination of rugged off-road capability and efficient performance? Meet the 2021 GMC Sierra 1500 AT4, equipped with the impressive 3.0L Duramax Turbo-Diesel engine. This beast offers 277 horsepower and 460 lb-ft of torque, making it a towing and trail-ready powerhouse while delivering exceptional fuel efficiency.
In this video, we take a deep dive into the AT4 trim, featuring:
• A factory 2-inch suspension lift and Rancho monotube shocks for tackling tough terrain.
• Skid plates and Hill Descent Control for off-road protection and confidence.
• Exclusive AT4 styling with darkened chrome accents and bold red recovery hooks.
• The game-changing MultiPro Tailgate with 6 configurations for maximum versatility.
• Premium interior comforts like leather seating, a heated steering wheel, and advanced technology including Apple CarPlay, Android Auto, and available Bose sound system.
Whether you’re hitting the trails or hauling gear, the Sierra 1500 AT4 with the Duramax Turbo Diesel is built to handle it all.
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