Experience unmatched capability and rugged luxury in the 2026 GMC Sierra 2500HD AT4, designed for those who demand power, precision, and comfort in every journey.

Built to conquer the toughest Canadian terrains, the Sierra 2500HD AT4 features a robust 8-cylinder engine paired with a 10-speed automatic transmission and a 4x4 drivetrain, delivering exceptional towing and hauling performance. Its locking limited-slip differential and advanced traction control ensure confident handling on gravel, snow, or ice. The Onyx Black exterior is complemented by durable running boards and an integrated tailgate step, making access effortless even when fully loaded.

Inside, the crew cab offers premium leather bucket seats with heating, cooling, and power adjustments, including lumbar support and memory settings, ensuring comfort on long hauls or daily drives. The multi-zone climate control and heated rear seats provide a tailored environment for all passengers. Advanced safety technologies such as blind spot monitoring, lane departure warning, and front collision mitigation keep you secure on every route.

Technology meets convenience with an aerial view display system, navigation, remote engine start, and WiFi hotspot connectivity. Whether you’re navigating urban streets or rugged backroads, the Sierra 2500HD AT4 is engineered to deliver strength and sophistication for the discerning driver.