Experience powerful capability and advanced technology in the 2026 GMC Sierra 3500HD AT4 Crew Cab 4WD, finished in striking Volcanic Red Tintcoat with premium features designed for demanding drivers.

This heavy-duty truck is powered by a robust Duramax 6.6L Turbo-Diesel V8 engine delivering an impressive 470 horsepower and 975 lb-ft of torque, optimized for towing and hauling with a 10-speed automatic transmission and locking limited-slip differential. The 4x4 drivetrain ensures confident performance on any terrain, complemented by tow hooks, a tow hitch, and an integrated tailgate step for easy bed access. The bed is protected with a durable liner, while running boards provide convenient entry.

Inside, the Sierra 3500HD AT4 offers comfort and convenience with heated and cooled front bucket seats featuring power adjustments and memory settings, along with heated rear seats and adjustable lumbar support for both driver and passenger. Safety is comprehensive, including blind spot monitoring, cross-traffic alert, front collision mitigation, lane departure warning, and automatic high beams. An aerial view display system and back-up camera enhance visibility, while adaptive cruise control and an auto-dimming rearview mirror add to the ease of driving. Aluminum wheels, LED headlights, fog lamps, and heated, power-folding mirrors complete this capable and refined truck.