Experience unmatched capability and refined comfort with the 2025 GMC Sierra 3500HD AT4 Crew Cab 4WD, designed for those who demand power and precision in every task.

Powered by a robust Duramax 6.6L Turbo-Diesel V8 engine delivering 470 horsepower and an impressive 975 lb-ft of torque, this Sierra 3500HD handles the toughest hauls with ease. The Allison 10-speed automatic transmission ensures smooth gear transitions, optimizing fuel efficiency and performance on any terrain. Its advanced 4x4 drivetrain, complete with a locking limited-slip differential, provides exceptional traction and control, whether navigating rugged work sites or snowy Canadian roads.

Inside, the AT4 trim offers premium leather bucket seats with heating, cooling, and power adjustments, including memory settings for driver and passenger, ensuring comfort during long drives. The multi-zone climate control and heated steering wheel add to the refined cabin experience. Safety is paramount, featuring adaptive cruise control, blind spot monitoring, lane departure warning, and front collision mitigation systems that enhance driver confidence.

Practicality meets innovation with integrated turn signal mirrors, an aerial view display system, and a bed liner paired with an integrated tailgate step for effortless loading. Running boards and tow hooks complete this rugged package, making the Sierra 3500HD AT4 the ultimate partner for demanding work and adventure.