New 2026 GMC Sierra 2500HD

Experience commanding power and advanced technology in the 2026 GMC Sierra 2500HD AT4, designed for drivers who demand rugged capability and premium comfort in every journey.

This Sierra 2500HD is powered by a Duramax 6.6L Turbo-Diesel V8 engine delivering an impressive 470 horsepower and 975 lb-ft of torque, paired with a 10-speed automatic transmission and all-wheel drive for exceptional control and towing strength. The truck features a snow plow prep and camper package, including skid plates and a 220-amp alternator, ideal for heavy-duty tasks and harsh conditions. The trailer wiring provisions support 5th wheel and gooseneck trailers, ensuring versatile towing options.

The AT4 Premium Plus Package enhances your driving experience with a power sunroof, a multicolour 15-inch head-up display, and a rear camera mirror with auto-dimming and full camera display. Power retractable assist steps with LED lighting provide easy access, while 20-inch high gloss black aluminum wheels and all-terrain tires emphasize rugged style and performance. Inside, heated and cooled leather bucket seats with power adjustments and memory functions offer tailored comfort for driver and passenger alike. Additional features include a rear sliding power window, roof marker lamps, and integrated tow hooks, making this Sierra 2500HD a true workhorse with refined touches.