Used 2026 GMC Sierra for sale in Castle Rock

Seller description

Experience the Pinnacle of Capability in the 2026 GMC Sierra 1500 AT4X This remarkable 2026 GMC Sierra 1500 AT4X is a true off-road champion, engineered to conquer any terrain with uncompromising power and precision. Outfitted with an EcoTec3 6.2L V8 engine mated to a 10-Speed Automatic transmission, this Sierra delivers an exhilarating 420 horsepower and 460 lb-ft of torque, ensuring you'll have the muscle to tackle the toughest challenges. - Coastal Dune Tan exterior - Bose Premium Series with 12-Speaker System - MultiPro Tailgate Audio System by Kicker - SiriusXM with 360L Trial Subscription - Steering Wheel Audio Controls - Electric Rear-Window Defogger - 120-Volt Bed Mounted Power Outlet - 120-Volt Interior Power Outlet - Power Front Passenger Windows with Express Up/Down - Power Front Windows with Driver Express Up/Down - Power Rear Windows with Express Down - Push Button Start - Remote Vehicle Starter System - Universal Home Remote This Sierra 1500 AT4X is engineered to conquer the off-road with its premium off-road suspension, driver-selectable full-locking front and rear differentials, and heavy-duty air filter. The gloss black header with dark nickel grille insert bars provide a bold, aggressive appearance, while the LED cargo area lighting and spray-on bedliner with GMC logo ensure both form and function. Elevate your driving experience with the Sierra 1500 AT4X's advanced technology features, including the multicolor 15 diagonal head-up display, wireless charging, and the in-vehicle trailering system app. Stay connected with the Wi-Fi hotspot capability and enjoy the convenience of keyless open and start, as well as the power sliding rear window with rear defogger. Comfort and luxury abound with the heated and ventilated front seats, heated rear outboard seats, and power-adjustable steering column. Safety is also a top priority, with features like rear cross-traffic braking, rear pedestrian detection, and the HD surround vision system. Don't miss your chance to command the road in the remarkable 2026 GMC Sierra 1500 AT4X. Schedule a test drive today and experience the pinnacle of capability. Price includes: $1500 - Buick GMC Bonus Cash. Exp. 06/30/2026 $1750 - Buick & GMC Consumer Cash Program. Exp. 06/30/2026 $3500 - GM Trade In Allowance Program. Exp. 06/30/2026 $500 - GM Military Cash Allowance Program. Exp. 01/04/2027