Experience the 2026 GMC Sierra 1500 AT4: a rugged, diesel-powered crew cab truck designed for Canadian drivers who demand power, comfort, and advanced safety on every journey.

The Sierra 1500 AT4’s turbocharged straight-six diesel engine pairs with a 10-speed automatic transmission, delivering impressive torque and efficiency for towing and off-road adventures. Its 4x4 drivetrain and locking limited-slip differential ensure confident handling on challenging terrain, while aluminum wheels and all-terrain tires provide durability and traction. Step into a refined cabin featuring leather bucket seats with heating, cooling, and adjustable lumbar support for both driver and passenger, complemented by seat memory for personalized comfort. The rear bench offers heated seating and a convenient pass-through for added versatility.

Safety is paramount with features like blind spot monitoring, lane keeping assist, front collision mitigation, and an aerial view display system that enhances situational awareness. The integrated tailgate step and running boards simplify access to the short bed, which is protected by a durable bed liner. Enjoy modern conveniences such as remote engine start, power folding mirrors, and a premium sound system with smart device integration, making every drive enjoyable whether on city streets or rugged backroads. The Onyx Black exterior adds a sleek, commanding presence to this capable and sophisticated truck.