New 2026 GMC Sierra 1500 AT4X For Sale Warrenton, VA

This 2026 GMC Sierra 1500 AT4X delivers commanding presence and capable performance designed for those who demand excellence in their truck.- 6.2L EcoTec3 V8 engine with 420 horsepower and 460 lb-ft of torque- Dynamic Fuel Management and dual active exhaust system- Driver-selectable full-locking front and rear differentials- Off-road suspension with hill descent control- Premium Bose audio system with 12 speakers and SiriusXM- Apple CarPlay and Android Auto with wireless capability- 15-inch color heads-up display- HD surround vision with multiple camera systems- Heated and ventilated leather front seats with 16-way power adjustment- Full grain leather seat trim throughout- Power moonroof- Integrated trailer brake controller with in-vehicle trailering app- Automatic emergency braking with lane keep assist- Spray-on bedliner with GMC logoBuilt on a foundation of genuine capability, this AT4X stands apart with its muscular EcoTec3 engine paired with a 10-speed automatic transmission and four-wheel drive. The intelligent locking differential system provides the control you need whether tackling challenging terrain or managing everyday driving. Off-road suspension geometry combined with hill descent control ensures you maintain command in varied conditions.Inside, the cabin reflects premium quality with full grain leather, genuine wood trim, and a sophisticated layout. The heated and ventilated front seats adjust in 16 ways for personalized comfort, while the power moonroof adds an open-air dimension. Wireless Apple CarPlay and Android Auto integration keeps you connected seamlessly, while the 15-inch color heads-up display presents critical information directly in your line of sight.Technology throughout this Sierra prioritizes both convenience and capability. The integrated trailer brake controller works with the in-vehicle trailering app to simplify towing management. Multiple camera systems including bed view, hitch view, and HD surround vision eliminate guesswork when maneuvering. Automatic emergency braking, lane keep assist, and rear cross traffic braking provide active safety layers for confident driving in all situations.The exterior reflects purposeful design with LED cargo lighting, off-road high clearance steps, and a spray-on bedliner protecting your cargo area. The gloss black header with dark nickel grille insert bars conveys the AT4X's serious intent. Premium floor liners and geometric proportions create a truck that looks as substantial as it performs.Visit our showroom to experience the commanding quality and genuine capability this 2026 GMC Sierra 1500 AT4X represents. We invite you to sit in the leather seats, examine the quality details, and discover why this truck serves as the cornerstone of serious ownership.