2026 GMC Sierra 2500

Experience the pinnacle of off-road capability and premium comfort in the 2026 GMC Sierra 2500HD AT4X. Meticulously engineered to conquer any terrain, this exceptional truck seamlessly blends rugged performance with an unparalleled level of sophistication.- Adaptive Cruise Control- Android Auto- Apple CarPlay- Backup Camera- Bluetooth- Moonroof / Sunroof- Remote StartPowered by the legendary Duramax 6.6L V8 Turbodiesel engine, this Sierra 2500HD AT4X delivers an astounding 470 horsepower and 975 lb-ft of torque, effortlessly tackling the toughest jobs. The Preferred Equipment Group 4SG further enhances the driving experience with a host of premium features.Indulge in the Bose Premium Series 12-Speaker System, SiriusXM with 360L Trial Subscription, and Steering Wheel Audio Controls, while the Electric Rear-Window Defogger and 120-Volt Bed Mounted Power Outlet provide added convenience. The 120-Volt Instrument Panel Power Outlet, Push Button Start, and Remote Vehicle Starter System add to the Sierra's impressive list of amenities.Elevate your confidence on the road with the Sierra 2500HD AT4X's advanced safety and technology features. Enjoy the convenience of the Bed View Camera with Two Trailer Camera Provisions, Trailer Cam Provisions and Trailer Viewing Software, and Trailer Side Blind Zone Alert. The Ultrasonic Front and Rear Park Assist, Wireless Charging, and Wireless Phone Projection further enhance your driving experience.Designed to conquer the most challenging terrains, the Sierra 2500HD AT4X boasts a 2-Speed Active Transfer Case, Hill Descent Control, and Off-Road Suspension, ensuring you tackle any adventure with confidence. The Gloss Black Header Grille and Grille Insert Bars, LED Cargo Area Lighting, and Spray-on Pickup Bedliner with GMC Logo add a touch of rugged sophistication to this exceptional vehicle.Step inside the Sierra 2500HD AT4X and indulge in unparalleled comfort. The Heated 2nd Row Outboard Seats, Heated Driver and Front Outboard Passenger Seats, and Ventilated Driver and Front Passenger Seats provide a level of luxury that elevates every journey. The Power Sunroof and Deep-Tinted Glass further enhance the premium cabin experience.Stop by Woody Buick GMC Naperville, an 11-time GM Dealer of the Year and Mark of Excellence recipient, to schedule a test drive! See for yourself why this J.D. Power 2026 Dealer of Excellence is Illinois' #1 Sales Volume Buick GMC destination and Chicagoland's most awarded dealer. Take advantage of our award-winning service and the best incentives around! We have a 2026 GMC Sierra 2500HD AT4X on sale for you!