Experience the power and precision of the 2024 GMC Sierra 3500HD AT4, designed for those who demand rugged capability and refined comfort in every drive.

Built to handle the toughest jobs, this Sierra 3500HD features the formidable Duramax 6.6L Turbo-Diesel V8 engine delivering an impressive 470 horsepower and a staggering 975 lb-ft of torque. Whether towing heavy trailers or navigating challenging terrain, the advanced 10-speed automatic transmission and 4x4 drivetrain with locking limited-slip differential ensure optimal control and performance. The AT4 trim adds off-road readiness with integrated tow hooks, running boards, and an integrated tailgate step for easy bed access, complemented by a durable bed liner to protect your cargo.

Inside, the cabin offers premium leather bucket seats with heating, cooling, and adjustable lumbar support, alongside seat memory for personalised comfort. The advanced aerial view display system and blind spot monitoring with cross-traffic alert enhance safety and situational awareness on every journey. Additional features like heated mirrors, LED headlights, and remote engine start make daily driving effortless in any Canadian weather. For those who demand strength, comfort, and cutting-edge technology, this Sierra 3500HD AT4 is ready to perform.