Experience the power and luxury of the 2026 GMC Sierra 3500HD Denali Ultimate, designed for those who demand unmatched capability and refined comfort in every drive.

Built to handle the toughest jobs, this Sierra 3500HD features a robust Duramax 6.6L Turbo-Diesel V8 engine delivering an impressive 470 horsepower and a staggering 975 lb-ft of torque, perfect for towing heavy loads or navigating rugged terrain with confidence. The advanced 10-speed automatic transmission and 4x4 drivetrain ensure smooth, responsive performance whether on highway or off-road.

Inside, the Denali Ultimate trim pampers you with premium leather seats that include heating, cooling, and massage functions, alongside power-adjustable lumbar support for both driver and passenger. The spacious crew cab offers a pass-through rear seat and seat memory settings, providing comfort tailored to your preferences.

Safety is paramount with features like blind spot monitoring, lane departure warning, front collision mitigation, and an aerial view display system that enhances awareness around the vehicle. Integrated turn signal mirrors, LED headlights, and power retractable running boards add convenience and style.

The bed liner, integrated tailgate step, and all-terrain tires complete this truck’s readiness for any challenge, making the Sierra 3500HD Denali Ultimate the ideal partner for work and adventure across Canada’s diverse landscapes.