Power through the toughest jobs with the 2026 GMC Sierra 3500HD AT4 Crew Cab 4WD, designed for Canadian drivers who demand strength, comfort, and advanced technology.

Built to handle heavy-duty tasks, the Sierra 3500HD features a Duramax 6.6L Turbo-Diesel V8 engine delivering an impressive 470 horsepower and a staggering 975 lb-ft of torque, perfect for towing and hauling in any terrain. Its 10-speed automatic transmission and locking limited-slip differential ensure smooth power delivery and enhanced traction, whether on rugged backroads or icy highways. The 4x4 drivetrain and integrated tow hooks add confidence when tackling challenging conditions.

Inside, the cabin offers premium leather bucket seats with heating, cooling, and adjustable lumbar support for both driver and passenger, ensuring comfort during long hauls. The advanced Aerial View Display system provides a 360-degree perspective, making manoeuvring and hitching trailers easier than ever. Safety is paramount with features like Blind Spot Monitor, Front Collision Mitigation, Lane Departure Warning, and Adaptive Cruise Control to keep you protected on every journey.

Practical touches such as the integrated tailgate step, bed liner, running boards, and power-folding heated mirrors enhance functionality and convenience. The Sierra 3500HD AT4 is the ultimate partner for those who demand power, precision, and comfort in their work truck.