Experience the 2026 GMC Sierra 1500 AT4 in Onyx Black – a rugged yet refined diesel-powered 4x4 crew cab designed for Canadian drivers who demand power, comfort, and advanced safety.

Built to conquer challenging terrains, the Sierra 1500 AT4 features a turbocharged straight 6-cylinder diesel engine paired with a smooth 10-speed automatic transmission, delivering impressive torque and fuel efficiency. Its 4-wheel drive system with locking limited-slip differential ensures confident handling in all weather conditions, while integrated tow hooks and a tow hitch make hauling heavy loads effortless.

Inside, the cabin offers premium leather bucket seats with heating and cooling, adjustable lumbar support, and memory settings for both driver and passenger, ensuring comfort on long drives or tough workdays. The rear bench seat includes pass-through access, adding versatility for gear and passengers alike. Technology enhances every journey with an aerial view display system, adaptive cruise control, and a comprehensive suite of driver-assist features such as blind spot monitoring, lane keeping assist, and front collision mitigation.

The exterior is ruggedly stylish with aluminum wheels, running boards, integrated tailgate step, and a durable bed liner, ready for any adventure or job site. With remote engine start, keyless entry, and a premium sound system, the Sierra 1500 AT4 blends capability and convenience perfectly for the discerning Canadian truck driver.