2026 GMC Sierra 2500

Meet the 2026 GMC Sierra 2500HD AT4X in striking Volcanic Red Tintcoata heavy-duty diesel truck engineered for serious work and commanding presence on any road.- Duramax 6.6L V8 Turbodiesel with 470 hp and 975 lb-ft of torque- 10-Speed Automatic transmission with 4WD capability- Gooseneck/5th Wheel Prep Package for towing flexibility- Adaptive Cruise Control and advanced driver assistance systems- Bose Premium 12-Speaker System with SiriusXM 360L trial subscription- Apple CarPlay and Android Auto smartphone integration- HD Surround Vision and Bed View Camera with trailer provisions- Spray-In Bed Liner with GMC logo protection- Power sunroof and heated/ventilated front seats- Wireless charging and phone projection technology- Multicolor 15'' Head-Up Display for key vehicle data- Hill Descent Control and 2-Speed Active Transfer Case for off-road capability- Heated second-row outboard seats for passenger comfort- Remote vehicle starter system and keyless open/start- Engine block heater and 220-amp alternator for reliabilityThis AT4X comes equipped with premium features designed for both capability and comfort. The Duramax diesel engine delivers the power you need for demanding tasks, while the gooseneck/5th wheel prep package provides the infrastructure for serious towing applications. The truck's advanced technology suiteincluding the multicolor head-up display, surround vision cameras, and intelligent trailer monitoring systemshelps you stay informed and in control.The interior reflects GMC's commitment to driver-focused design. Full-grain leather seats with 16-way power adjustment keep you comfortable during long hauls, while heated and ventilated front seats adapt to seasonal conditions. The Bose premium audio system ensures quality sound whether you're listening to SiriusXM or your favorite connected content through Apple CarPlay or Android Auto.Safety and capability work together throughout this truck. Electronic stability control, automatic emergency braking, forward collision alert, and a comprehensive airbag system provide multiple layers of protection. The 2-speed active transfer case and hill descent control give you confidence when venturing off established roads, while ultrasonic park assist and rear cross-traffic alert make maneuvering easier in tight spaces.The truck's practical features acknowledge real-world demands. The spray-in bed liner protects your cargo area, while the bed-mounted 120-volt power outlet and multiple USB charging ports keep your equipment and devices ready. Remote start and keyless entry add convenience to daily operation.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!