New 2026 GMC Sierra 3500HD

Experience commanding power and advanced technology with the 2026 GMC Sierra 3500HD Denali Crew Cab Long Bed, designed for serious towing and rugged performance.

This Summit White Sierra 3500HD Denali 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 smooth 10-speed automatic transmission. Its 4x4 drivetrain and dual rear wheels provide exceptional stability and traction, ideal for heavy-duty tasks. The truck features a gooseneck and 5th wheel prep package, including a hitch platform and trailer harness, making it ready for your toughest towing jobs.

Inside, the Atmosphere/Brownstone interior boasts forge perforated leather seats with heating and cooling functions, driver and passenger power-adjustable lumbar support, and seat memory for personalized comfort. The Denali Reserve Package adds a power sunroof and the Technology Package, enhancing convenience and connectivity.

Safety is comprehensive with features like blind spot monitoring, lane departure warning, front collision mitigation, and adaptive cruise control. The truck also includes an aerial view display system, back-up camera, and trailer tire pressure monitoring sensors for added confidence on the road.

Exterior highlights include power-retractable assist steps with LED lighting, integrated tailgate step, bed liner, aluminum wheels, and all-terrain tires front and rear, making this Sierra 3500HD Denali a capable and refined workhorse.