The 2021 GMC Sierra 1500 AT4 combines premium comfort, proven V8 power, and genuine off-road capability into a truck that's ready for everything from the daily commute to the backcountry trail.
Finished in Gray, this GMC Sierra 1500 AT4 4WD is powered by the trusted EcoTec3 5.3L V8 paired with a smooth 10-speed automatic transmission, delivering impressive towing capability, confident acceleration, and the unmistakable performance truck owners love. Equipped with an Auto-Locking Rear Differential, Hill Descent Control, and GMC's off-road-focused AT4 package, this Sierra is built to tackle rough terrain while maintaining excellent road manners. Even better, it has been driven over 31,000 miles below market average, making it an exceptional value.
Inside, the AT4 cabin offers a premium experience with perforated leather-appointed seating, heated and ventilated front seats, a 10-way power driver's seat with lumbar support, memory settings, remote start, and premium floor liners. The refined interior delivers the comfort and convenience expected from GMC's premium truck lineup while remaining rugged enough for real-world use. Technology is equally impressive, featuring Apple CarPlay, Android Auto, GMC's Premium Infotainment System with touchscreen display, SiriusXM with 360L, Bluetooth connectivity, and OnStar Connected Services. The ProGrade Trailering System, In-Vehicle Trailering App, Hitch Guidance with Hitch View, and Trailering Package help simplify towing and hauling duties, whether you're heading to the jobsite or the lake.
Additional highlights include a spray-on bedliner with AT4 logo, keyless open and start, deep-tinted glass, a power rear window defroster, and striking 18-inch machined aluminum wheels that complete the truck's aggressive stance. Blending luxury, capability, and V8-powered performance, this 2021 GMC Sierra 1500 AT4 is the truck for drivers who want more from their pickup. Come see it for yourself here at Camp Chevrolet and discover why the Sierra AT4 continues to be one of the most sought-after off-road trucks on the market today!
