New 2026 GMC Sierra 1500 AT4 For Sale Warrenton, VA

The 2026 GMC Sierra 1500 AT4 in gray delivers a commanding presence with premium capability and refined comfort designed for those who demand both performance and sophistication in their truck.- EcoTec3 6.2L V8 engine with 420 hp and 460 lb-ft of torque- 10-Speed Automatic transmission with 4WD- Premium Bose 7-Speaker Sound System with SiriusXM 360L- Multicolor 15 Diagonal Head-Up Display- Wireless Apple CarPlay and Android Auto- Navigation System with HD Surround Vision and Bed View Camera- Heated and ventilated front seats with 10-way power adjustment- Heated rear seats and power sunroof- Spray-on Pickup Bedliner with GMC Logo- Off-Road Suspension with Hill Descent Control- Automatic Emergency Braking with Lane Keep Assist- Rear Cross Traffic Braking and Rear Pedestrian Detection- Integrated Trailer Brake Controller with in-Vehicle Trailering System App- Wireless charging and multiple USB ports- 20 x 9 Machined Aluminum wheelsThe AT4 trim combines rugged capability with refined luxury features that elevate every journey. The commanding presence of this truck is matched by its thoughtful engineering—the off-road suspension and hill descent control ensure confidence on challenging terrain, while the integrated trailering system with multiple camera views provides exceptional control for those who work and play with confidence.Inside, the cabin reflects genuine care for comfort and connectivity. The heated and ventilated front seats adjust through 10 positions with lumbar support, heated rear seats extend comfort to all passengers, and the power sunroof brings natural light to the driving experience. The wireless Apple CarPlay and Android Auto integration, combined with the navigation system and SiriusXM 360L trial subscription, keep you connected whether you're navigating city streets or remote trails.Technology seamlessly supports your driving with forward-thinking safety features including automatic emergency braking, lane keep assist with departure warning, and rear cross traffic braking. The multicolor head-up display keeps essential information visible without distraction, while the 360-degree surround vision and multiple camera systems provide clarity in any situation. The wireless charging pad and multiple USB ports ensure your devices stay powered throughout the day.The truck bed is equipped with a spray-on bedliner bearing the GMC logo, offering lasting protection for your cargo. The trailering package includes an integrated brake controller, hitch guidance, and a comprehensive in-vehicle app designed to simplify towing operations for any situation.This Sierra 1500 AT4 represents the convergence of authentic truck capability with the refined appointments you'll appreciate every single day. We invite you to experience this truck firsthand and discover why it stands as a genuine choice for those seeking both substance and sophistication.