2026 GMC Sierra 2500

The 2026 GMC Sierra 2500HD AT4 combines rugged capability with premium comfort, delivering a truck engineered for those who demand both performance and sophistication.- Duramax 6.6L V8 Turbodiesel engine with 470 hp and 975 lb-ft of torque- Max Trailering Package with heavy-duty 3500 HD frame and 12'' rear axle- Gooseneck/5th Wheel Prep provisions for serious hauling versatility- AT4 Premium Plus Package with power sunroof and Technology Package- Spray-on pickup bedliner with GMC logo- 15'' diagonal Head-Up Display with multicolor presentation- Bose Premium 7-Speaker Sound System with SiriusXM- Apple CarPlay and Android Auto with wireless phone projection- Heated and ventilated perforated leather front seats with 10-way power adjustment- Heated second-row outboard seats- Bed View Camera with trailer camera provisions and side blind zone alert- Off-Road suspension with 2-Speed Active Transfer Case- HD Surround Vision and Ultrasonic front and rear park assist- All-weather floor liners for first and second rows- Automatic Emergency Braking and lane departure warningThe Sierra 2500HD's diesel engine delivers commanding torque when you need it most, whether loading heavy cargo or towing across challenging terrain. The Max Trailering Package equips this truck with a reinforced frame, premium suspension components, and gooseneck preparationdesigned for owners who refuse compromise on towing capacity and reliability. The spray-on bedliner protects your investment while adding functional style.Inside, the AT4 Premium Plus Package elevates the driving experience with genuine leather seating surfaces, a power sunroof that opens up the cabin, and intelligent climate control that heats and ventilates your seats for year-round comfort. The 15-inch Head-Up Display keeps critical information within your line of sight, while the Bose audio system transforms your commute with exceptional clarity and depth.Technology integrates seamlessly throughout this truck. The HD Surround Vision system provides multiple camera angles for confident maneuvering, while the in-vehicle trailering system and hitch guidance features simplify complex towing situations. Wireless charging and dual USB ports throughout the cabin keep your devices ready. Apple CarPlay and Android Auto connectivity ensures your smartphone integrates naturally with the truck's infotainment system.Safety receives equal priority. Forward collision alert, automatic emergency braking, rear cross traffic alert, and trailer side blind zone alert work together to protect you and your crew. The safety alert seat provides tactile warnings during potential hazards, adding an extra layer of awareness.The all-weather floor liners with AT4 logo protect the cabin from dirt and moisture, while heated mirrors and rain-sensing wipers handle seasonal challenges. The 220-amp alternator and engine block heater prepare this truck for demanding conditions and cold-weather starts.This 2026 Sierra 2500HD AT4 stands ready to handle whatever you requireserious work, serious towing, and serious comfort. We invite you to visit our showroom and experience this truck firsthand. We offer financing options to fit your needs and can answer any questions about its capabilities and features. Price includes: $1000 - Buick & GMC Consumer Cash Program. Exp. 09/30/2026