2026 GMC Sierra 2500

Meet the 2026 GMC Sierra 2500HD AT4X, a heavy-duty pickup engineered to handle serious work and challenging terrain with commanding presence and capability.- Duramax 6.6L V8 Turbodiesel engine with 470 hp and 975 lb-ft of torque- 10-Speed Automatic transmission with 4WD and 2-Speed Active Transfer Case- Adaptive Cruise Control with Forward Collision Alert and Automatic Emergency Braking- Apple CarPlay and Android Auto smartphone integration- HD Surround Vision with Bed View Camera and Trailer Camera Provisions- Spray-In Bed Liner with GMC Logo- Bose Premium 12-Speaker audio system with SiriusXM 360L trial subscription- Heated and ventilated front seats with 16-way power adjustment- Wireless smartphone charging and projection capability- Power moonroof with automatic operation- Remote vehicle starter system with keyless open and start- Trailer tire pressure monitoring and Side Blind Zone Alert- 220-amp alternator and engine block heater for diesel performance- Snow Plow Prep and Gooseneck/5th Wheel Prep packages equippedThis AT4X model combines professional-grade capability with premium comfort features designed for those who demand durability without compromise. The Duramax diesel engine delivers the torque and power needed for towing, hauling, and off-road situations, while the advanced transfer case ensures responsive handling across varied terrain. The cabin presents a refined environment with leather seating, climate controls, and connectivity features that make long workdays or extended trips more comfortable and connected.The technology package reflects modern truck expectations, offering camera systems that provide visibility for trailering operations and everyday driving confidence. Ultrasonic park assist, rain-sensing wipers, and an auto-dimming rearview mirror address practical daily needs. The premium infotainment system with available wireless projection keeps you informed without distraction.Built with heavy-duty underpinnings, this Sierra 2500HD includes skid plates for protection, a bed-mounted power outlet for job site equipment, and engineering designed for serious use. The AT4X trim adds distinctive styling with its gloss black grille and LED lighting that sets it apart while maintaining GMC's premium truck presence.Stop by Woody Buick GMC of Gurnee, an 11-time GM Dealer of the Year and Mark of Excellence recipient, and Dealer Rater 2025 Dealer of the Year to schedule a test drive! See for yourself why this J.D. Power 2026 Dealer of Excellence is 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!