Experience unmatched capability and refined comfort with the 2026 GMC Sierra 2500HD AT4, designed for those who demand power, precision, and advanced technology in every drive.

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 4x4 drivetrain, delivering exceptional towing and hauling performance. Whether navigating rugged backroads or city streets, its locking limited-slip differential and advanced traction control ensure confidence in all conditions. Safety is paramount with adaptive cruise control, blind spot monitoring, lane departure warning, and front collision mitigation, providing peace of mind on every journey. The truck’s Aerial View Display System offers a comprehensive perspective for precise manoeuvring, complemented by a rear parking aid and integrated tailgate step for effortless loading and unloading. Inside, the cabin blends luxury with utility, boasting leather bucket seats with heating, cooling, and memory functions, plus adjustable lumbar support for driver and passenger comfort during long hauls. Heated steering wheel and power folding mirrors add convenience in harsh weather. Finished in striking Onyx Black, this crew cab pickup commands attention while running boards and bed liner enhance functionality. The Sierra 2500HD AT4 is the ultimate partner for professionals and adventurers seeking a powerful, reliable, and sophisticated truck built to perform.