The 2020 GMC Sierra 2500HD AT4 is a heavy-duty pickup built to handle serious work while delivering premium comfort and off-road capability. With its bold styling, advanced engineering, and rugged AT4 enhancements, this truck is designed for drivers who demand both strength and refinement.
Under the hood, this Sierra 2500HD AT4 is powered by a 6.6L V8 engine producing 401 horsepower and 464 lb-ft of torque, paired with a durable automatic transmission and a standard 4WD system for maximum traction and control. Whether youre towing, hauling, or heading off the beaten path, it delivers confident, reliable performance every time.
Inside, the cabin blends durability with upscale comfort. Youll find premium leather seating with unique Kalahari accents, heated and ventilated front seats, heated rear seats, and a spacious crew cab layout that comfortably accommodates passengers. Modern technology includes Apple CarPlay, Android Auto, Bluetooth connectivity, and a user-friendly infotainment system to keep you connected on every drive.
Safety and convenience are also key, with features such as a rearview camera, stability control, traction control, multiple airbags, and advanced trailering technologies that make towing easier and more secure.
Combining heavy-duty capability, off-road performance, and premium comfort, the 2020 GMC Sierra 2500HD AT4 is the perfect truck for those who need serious strength without sacrificing luxuryready for work, adventure, and everything in between.
Harman/kardon and Logic 7 are registered marks of Harman International Industries, Incorporated. Burmester is a registered trademark of Burmester Audiosysteme GmbH, Berlin, Germany. Bluetooth is a registered mark of Bluetooth SIG, Inc. Price does not include licensing costs, registration fees, taxes and dealer doc fee of $899. Recent Arrival!

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