Experience the power and precision of the 2026 GMC Sierra 3500HD AT4 Crew Cab 4WD, designed for those who demand capability and comfort in every drive.

Built to conquer the toughest jobs, the Sierra 3500HD AT4 features a robust Duramax 6.6L Turbo-Diesel V8 engine delivering an impressive 470 horsepower and a staggering 975 lb-ft of torque. This powertrain, paired with a 10-speed automatic transmission and locking limited-slip differential, ensures exceptional towing and hauling capacity, perfect for heavy-duty work or recreational towing. The 4x4 drivetrain combined with advanced traction and stability controls provides confidence on any terrain or in challenging weather conditions.

Inside, the cabin offers premium leather seating with heated and cooled front seats, adjustable lumbar support, and memory settings for driver and passenger comfort during long hauls. The integrated tailgate step and bed liner add practicality, while running boards and heated mirrors enhance convenience in Canadian winters. Safety is paramount with features like blind spot monitoring, front collision mitigation, lane departure warning, and an aerial view display system for precise manoeuvring.

With adaptive cruise control, remote engine start, and a premium sound system, the Sierra 3500HD AT4 blends rugged capability with modern technology, making it the ideal partner for both work and adventure.