Description

The 2020 GMC Sierra 1500 AT4 is an off-road-focused full-size pickup that combines premium comfort with serious capability. Powered by a commanding 6.2L V8 engine and paired with a robust 4WD system, this Sierra AT4 delivers impressive strength for towing, hauling, and trail-ready performance. With its factory off-road suspension, aggressive styling, and upscale interior features, the AT4 trim offers the perfect blend of rugged durability and refined comfort.