2026 GMC Sierra 2500

The 2026 GMC Sierra 2500HD AT4 represents the pinnacle of heavy-duty truck capability, engineered to deliver performance and sophistication for those who demand the best from their work and weekend adventures. - Duramax 6.6L V8 Turbodiesel with 470 hp and 975 lb-ft of torque - 10-Speed Automatic transmission with 4WD - AT4 Premium Plus Package and Max Trailering Package - Bose Premium 7-Speaker Sound System with SiriusXM - Premium GMC Infotainment System with 15 Head-Up Display - Apple CarPlay and Android Auto compatibility - Heated and ventilated leather front seats with 10-way power adjustment - Heated second row outboard seats - Bed View Camera with trailer camera provisions - HD Surround Vision and Ultrasonic Park Assist - Automatic Emergency Braking and Forward Pedestrian Braking - Power-retractable assist steps and spray-on bedliner with GMC logo - Off-Road High Clearance step and hill descent control - Wireless charging and wireless phone projection - Snow and winter package options available This Sierra 2500HD AT4 is finished in striking Black, a color that commands attention and suits the truck's commanding presence on any road. The exterior showcases distinctive GMC styling with a gloss black header grille, LED cargo lighting, and heated power mirrors with integrated turn signals. The power-retractable assist steps make entry and exit effortless, while the spray-on bedliner with GMC logo protects your investment and demonstrates attention to detail throughout the vehicle's construction. Inside, the cabin prioritizes both comfort and functionality. The perforated leather-appointed front seats offer heated and ventilated capability, keeping you comfortable regardless of weather conditions. The 10-way power driver seat with lumbar support allows you to find your ideal driving position, and the heated steering wheel adds another layer of comfort during cold mornings. The floor-mounted center console provides convenient storage, while dual-zone automatic climate control ensures every occupant enjoys their preferred temperature. Technology integration is seamless with the Premium GMC Infotainment System, Apple CarPlay, and Android Auto. The multicolor 15-inch Head-Up Display keeps critical information visible without diverting your attention from the road. SiriusXM satellite radio with 360L trial subscription keeps you entertained with hundreds of channels, while steering wheel mounted audio controls let you manage entertainment without taking your hands off the wheel. Safety and convenience features demonstrate GMC's commitment to protecting you and your passengers. Automatic Emergency Braking, Forward Pedestrian Braking, and Rear Cross Traffic Alert work together to prevent accidents before they happen. The trailer side blind zone alert and hitch guidance with hitch view make towing safer and more predictable. Ultrasonic front and rear park assist combined with the bed view camera and HD surround vision provide complete situational awa