2026 GMC Sierra 2500

Meet the 2026 GMC Sierra 2500HD Denali Ultimate, a full-size diesel pickup engineered to handle serious work and deliver the refinement you expect from a premium truck. This Black powerhouse comes equipped with a Duramax 6.6L V8 Turbodiesel engine paired with a 10-Speed Automatic transmission and 4WD capability, giving you the performance and control needed for any job or adventure.- Duramax 6.6L V8 Turbodiesel with 10-Speed Automatic and 4WD- Adaptive Cruise Control and Advanced Driver Assistance Suite- Apple CarPlay and Android Auto with Wireless Phone Projection- Power Sunroof with Moonroof functionality- Remote Start and Keyless Open and Start- Backup Camera with HD Surround Vision and Bed View Camera with Trailer Provisions- Bose Premium 12-Speaker System with SiriusXM 360L Trial Subscription- 22'' Gloss Black Aluminum Wheels with All-Terrain Blackwall Tires- Snow Plow Prep/Camper Package with 220-Amp Alternator and Skid Plates- X31 Off-Road Package featuring 2-Speed Active Transfer Case and Hill Descent Control- Heated and Ventilated Front Seats with Power Adjustments- Multicolor 15'' Head-Up Display and Auto-Dimming Rear Camera Mirror- Wireless Charging and Steering Wheel Audio Controls- Signature Denali Ultimate Grille in Vadar Chrome- Spray-on Pickup Bedliner with GMC LogoThe Denali Ultimate trim elevates every detail with full grain leather seat trim, heated and ventilated seating surfaces, and genuine wood accents throughout the cabin. The heated steering wheel and premium materials create an environment that rivals luxury vehicles, while power adjustments on both front seats ensure you find your perfect driving position every time.Technology takes center stage with the 15-inch head-up display, wireless charging capability, and a fully integrated infotainment system. The Bose audio system with twelve speakers delivers concert-quality sound, while SiriusXM keeps you connected with a 360L trial subscription. Multiple USB charging ports, including two charge-only rear USB ports and two charge/data ports in the center console, ensure all your devices stay powered throughout the day.This Sierra 2500HD is built for utility without sacrificing comfort. The Snow Plow Prep and Camper Package includes a 220-amp alternator and transfer case skid plates, while the X31 Off-Road Package provides a 2-Speed Active Transfer Case and Hill Descent Control for challenging terrain. The spray-on bedliner protects your cargo area, and the trailer cam provisions with viewing software support your hauling operations seamlessly.Safety features like Automatic Emergency Braking, Lane Departure Warning, and Rear Cross Traffic Alert work together with the advanced camera system to keep you and your passengers protected. The Ultrasonic Front and Rear Park Assist system with Trailer Side Blind Zone Alert makes maneuvering this capable truck manageable in tight spaces, while the Trailer Tire Pressure Monitor Sensors provide added peace of mind when hauling.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 on sale for you!