Experience the 2026 GMC Sierra 1500 AT4 in Summit White—where rugged capability meets refined comfort for drivers who demand power, technology, and versatility in every journey.

Built to handle Canada’s toughest terrains, the Sierra 1500 AT4 features a turbocharged straight 6-cylinder diesel engine paired with a 10-speed automatic transmission, delivering impressive torque and fuel efficiency. Its 4x4 drivetrain with locking limited-slip differential ensures confident traction on snow, mud, or gravel, while tow hooks and a factory-installed tow hitch make hauling trailers or equipment effortless. The integrated tailgate step and bed liner add practical convenience for loading and unloading gear.

Inside, the crew cab offers premium leather bucket seats with heating and cooling functions, plus adjustable lumbar support and memory settings for both driver and passenger, ensuring comfort on long hauls. Advanced safety technologies like blind spot monitoring, lane keeping assist, and front collision mitigation provide peace of mind, while the aerial view display system and rear parking aid simplify manoeuvring tight spots. Stay connected with smart device integration, WiFi hotspot, and a premium sound system that turns every drive into an experience. The Sierra 1500 AT4 is engineered for those who need a dependable, capable truck without compromising on luxury or innovation.