Command the road and worksite with the 2026 GMC Sierra 3500HD Denali, a diesel-powered, heavy-duty truck designed for maximum capability, comfort, and advanced safety.

Built for those who demand power and precision, this Sierra 3500HD features a robust 8-cylinder turbocharged diesel engine paired with a 10-speed automatic transmission and dual rear wheels, delivering exceptional towing and payload capacity. Its 4x4 drivetrain and locking limited-slip differential ensure superior traction in all Canadian terrains, from rugged off-road sites to snowy highways. The integrated tailgate step and power retractable running boards provide easy access to the long bed, which comes protected with a durable bed liner.

Inside, the Denali trim pampers with premium leather bucket seats that are heated and cooled, featuring adjustable lumbar support and memory settings for both driver and passenger. The crew cab offers spacious rear seating with heating and a convenient pass-through for added versatility. Advanced safety technologies like blind spot monitoring, front collision mitigation, lane departure warning, and an aerial view display system provide confidence on every journey. Additional features such as adaptive cruise control, remote engine start, and a premium sound system enhance both convenience and enjoyment.

The striking Onyx Black exterior, complemented by aluminum wheels and all-terrain tires, combines ruggedness with refined style—perfect for professionals who need a dependable, sophisticated truck every day.