The signature black grille, paired with unique LED headlamps and fender flares, immediately signals its off-road pedigree. 7L Turbo I4 6.
2020 GMC Sierra 1500 AT4 Interior Comfort Package Features and Details
Available 12-speaker Bose premium audio system. 18-inch polished aluminum wheels shod in all-terrain tires.
Interior Comfort and Technology Inside, the 2020 Sierra 1500 AT4 prioritizes driver comfort and modern connectivity. 2-liter V8 engine delivers an impressive 420 horsepower and 460 lb-ft of torque, ensuring effortless towing of trailers and fifth wheels.
2020 GMC Sierra 1500 AT4 Interior Comfort Package Features
Distinctive Styling Elements Black-finished front and rear bumpers with integrated protection. Dual-zone automatic climate control for personalized comfort.
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