New 2026 GMC Sierra 2500HD

Experience commanding power and advanced technology with the 2026 GMC Sierra 2500HD Denali Ultimate, designed for heavy-duty performance and refined comfort in every drive.

This new 2026 Sierra 2500HD Denali Ultimate is equipped with a robust 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 and a 4x4 drivetrain for superior traction and control. The truck features a crew cab with seating for five, including heated and cooled leather seats with power adjustments, lumbar support, seat memory, and massage functions for driver and passenger comfort. The bed is protected by a durable liner and includes an integrated tailgate step for easy access, complemented by power retractable running boards and all-terrain tires front and rear for rugged capability.

Safety is comprehensive with features such as automatic high beams, blind spot monitoring, lane departure warning, front collision mitigation, cross-traffic alert, and multiple airbags. The vehicle also offers an aerial view display system, heads-up display, adaptive cruise control, and a premium sound system for enhanced convenience and entertainment. Practicality is boosted by a gooseneck/5th wheel prep package, tow hooks, and an upfitter switch kit for custom electrical accessories, making this Sierra 2500HD a versatile and powerful partner for work and adventure.