2026 GMC Sierra 2500Hd AT4

Meet the 2026 GMC Sierra 2500HD AT4 4D Crew Cab 4WD, a heavy-duty truck engineered to handle demanding work and deliver commanding presence on any road.- Duramax 6.6L V8 Turbodiesel with 470 hp and 975 lb-ft of torque- 10-Speed Automatic transmission with 2-Speed Active Transfer Case- Premium Bose 7-Speaker Sound System with SiriusXM 360L- Apple CarPlay and Android Auto compatibility- HD Surround Vision with Bed View Camera and Trailer Camera Provisions- Heated and ventilated leather front seats with 10-way power adjustment- Heated rear seats and steering wheel- Wireless charging and wireless phone projection- Automatic Emergency Braking and Forward Collision Alert- Rear Cross Traffic Alert and Trailer Side Blind Zone Alert- Off-Road Suspension with Hill Descent Control- X31 Off-Road Package- Auto High-beam Headlights with IntelliBeam technology- Spray-on Pickup Bedliner with GMC Logo- 20" High Gloss Black aluminum wheelsThis Sierra 2500HD arrives with the advanced Duramax diesel engine that delivers the torque and power required for serious hauling and towing. The 10-speed automatic transmission provides smooth shifting across all conditions, while the 2-speed active transfer case ensures confident handling whether you're navigating highways or tackling off-road terrain. The X31 Off-Road Package, combined with off-road suspension and hill descent control, prepares this truck for whatever challenges you face.The cab combines rugged functionality with genuine comfort. Perforated leather-appointed front bucket seats offer support during long drives, with heated and ventilated functions to adapt to any season. The 10-way power seat adjusters with lumbar support ensure you find your ideal driving position. Heated rear seats extend comfort to passengers, while the heated steering wheel adds another practical touch during cold weather.Technology integration keeps you connected and in control. The premium GMC infotainment system works seamlessly with Apple CarPlay and Android Auto, putting your smartphone's capabilities right at your fingertips. SiriusXM 360L satellite radio provides entertainment wherever the road takes you. Wireless charging and wireless phone projection eliminate cable clutter, and multiple USB ports throughout the cab keep your devices powered.Safety systems provide confidence in every situation. Automatic Emergency Braking, Forward Collision Alert, and Rear Cross Traffic Alert work together to help protect you and your passengers. The Bed View Camera with trailer camera provisions simplifies backing into tight spaces, while Ultrasonic Front and Rear Park Assist makes parking more manageable. Trailer Side Blind Zone Alert adds an extra layer of awareness when towing.This 2026 Sierra 2500HD AT4 combines diesel capability, premium comfort, and advanced technology in a truck built to go the distance. We invite you to experience it firsthand in our showroom. Price does not include tax, title, and license. Price includes applicable rebates. $1000 - Buick & GMC Consumer Cash Program. Exp. 11/02/2026