2026 GMC Sierra 2500

Meet the 2026 GMC Sierra 2500HD AT4Xa diesel-powered work truck built to handle the demands of serious professionals and enthusiasts who refuse to compromise on capability or comfort.- Duramax 6.6L V8 Turbodiesel engine with 470 hp and 975 lb-ft of torque- Gooseneck/5th wheel prep package for heavy-duty towing flexibility- Adaptive Cruise Control and advanced driver assistance technology- Spray-in bed liner with GMC logo for protected cargo space- Apple CarPlay and Android Auto smartphone integration- Bose Premium 12-speaker audio system with SiriusXM 360L trial- Heated and ventilated leather front seats with memory settings- HD Surround Vision with bed view camera and trailer camera provisions- 18-inch machined aluminum alloy wheels with high-gloss black accents- Wireless phone projection and charging for device compatibility- Multicolor 15-inch head-up display for critical driving information- Moonroof for enhanced cabin atmosphere- 2-Speed Active Transfer Case for confident off-road performance- Ultrasonic front and rear park assist with trailer side blind zone alertThe AT4X designation signals serious off-road intent, and this truck delivers with an off-road suspension tuned for tough terrain and challenging conditions. The 10-speed automatic transmission pairs seamlessly with the legendary Duramax diesel engine, providing the torque you need when you need it. The 220-amp alternator and engine block heater ensure reliable cold-weather starts, while the exhaust brake gives you additional control on steep descents.Inside, you'll find full grain leather seats heated for winter comfort and ventilated for summer relief. The 16-way power driver seat adjusts to your exact preference, and the heated steering wheel keeps your hands comfortable during early morning workdays. Climate control zones let driver and passenger set individual temperatures, and the rear window defroster handles whatever weather comes your way.Technology integrates seamlessly into your workday. The premium GMC infotainment system responds to Apple CarPlay and Android Auto commands, while the integrated OnStar system keeps you connected. Wireless charging eliminates cable clutter, and the in-vehicle trailering system app puts crucial towing information right at your fingertips. The Bluetooth connection pairs instantly with your phone for hands-free communication and audio streaming.Safety features include automatic emergency braking, forward collision alert, and lane departure warning to help you stay aware on the road. The surround-view camera system and trailer camera provisions give you complete visibility, whether you're maneuvering in tight quarters or backing up a loaded gooseneck. The safety alert seat notifies you if potential hazards develop, keeping your attention where it matters most.The beige exterior presents a commanding presence on any job site or family outing, while the gloss black grille insert and header add distinctive GMC styling. LED cargo area lighting illuminates your bed for nighttime work, and the power sliding rear window with defogger improves functionality and visibility.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! Price includes: $2000 - GMC Bonus Cash. Exp. 11/30/2026