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

Built to tackle the toughest jobs, the Sierra 2500HD AT4 features a robust 8-cylinder engine paired with a 10-speed automatic transmission and a 4x4 drivetrain, delivering impressive towing capacity and confident off-road performance. The locking limited-slip differential and integrated tow hooks ensure you stay in control, whether hauling heavy loads or navigating rugged terrain. Inside, premium leather bucket seats with heating, cooling, and adjustable lumbar support provide exceptional comfort during long hauls or daily drives. The cabin’s multi-zone climate control and heated rear seats keep all passengers comfortable regardless of the weather.

Safety is paramount with advanced features like automatic high beams, blind spot monitoring, lane departure warning, and front collision mitigation, giving you peace of mind on every journey. The innovative aerial view display system and rear parking aid simplify manoeuvring in tight spaces, while remote engine start and keyless entry add convenience.

Finished in striking Summit White and equipped with durable running boards, an integrated tailgate step, and a bed liner, this Sierra 2500HD AT4 is ready to work hard and look sharp doing it.