2026 GMC Sierra 2500Hd AT4

This 2026 GMC Sierra 2500HD AT4 4D Crew Cab 4WD represents a serious investment in capability and comfort for those who demand both work-ready performance and refined daily driving.- Duramax 6.6L V8 Turbodiesel engine producing 470 hp and 975 lb-ft of torque- 10-Speed Automatic transmission with 2-Speed Active Transfer Case for 4WD control- Bose Premium 7-Speaker Sound System with AM/FM SiriusXM 360L and Apple CarPlay/Android Auto- Premium GMC Infotainment System with 15" Head-Up Display and wireless phone projection- Heated and ventilated perforated leather front seats with 10-way power adjustment- Heated rear seats and power sunroof for year-round comfort- Bed View Camera with surround vision and trailer camera provisions- X31 Off-Road Package with Hill Descent Control and off-road suspension geometry- AT4 Premium Plus Package with premium styling and capability enhancements- Gooseneck/5th Wheel Prep Package for heavy hauling readiness- Advanced safety technologies including automatic emergency braking and rear cross traffic alert- Spray-on pickup bedliner with integrated LED cargo lighting- Wireless charging and dual USB charging ports throughout the cabin- IntelliBeam automatic high-beam headlights and rain-sensing wipers for enhanced visibilityThe Sierra 2500HD AT4 is engineered to handle demanding work while providing the refinements expected in a premium crew cab. The Duramax diesel engine delivers substantial torque for towing, hauling, and traversing rough terrain. The 10-speed transmission manages power smoothly across varying conditions, while the active transfer case gives you precise control over your four-wheel-drive engagement.Interior comfort extends to all occupants with heated and ventilated front seating, split folding rear seats, and a power sunroof that adds light and openness to the cab. The premium sound system, wireless charging, and comprehensive USB connectivity keep you connected and entertained on long drives or job sites. The head-up display keeps critical information visible without taking your eyes from the road.Safety and visibility are paramount in a truck this capable. The surround vision camera system, lane departure warning, automatic emergency braking, and rear cross traffic alert work together to help keep you protected. Rain-sensing wipers and automatic headlights adjust to conditions automatically, so you stay focused on the task ahead.The AT4 trim adds distinctive styling with its gloss black grille, 20-inch high gloss black aluminum wheels, and off-road focused suspension geometry. The spray-on bedliner protects your cargo area from the rigors of work, while LED cargo lighting ensures visibility when you need it. Whether you're managing a job site, towing a trailer, or navigating challenging terrain, this Sierra 2500HD is equipped to deliver.This truck with just two miles reflects its new condition, ready for its first owner to experience the full capability and comfort GMC has built into this platform. The combination of diesel efficiency, refined comfort, and authentic off-road capability makes this AT4 a compelling choice for serious truck buyers. Price does not include tax, title, and license. Price includes applicable rebates. $1000 - Buick & GMC Consumer Cash Program. Exp. 11/02/2026