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

Built to conquer the toughest jobs, the Sierra 2500HD AT4 features a robust turbocharged 8-cylinder diesel engine paired with a smooth 10-speed automatic transmission and advanced 4x4 drivetrain. Whether towing heavy loads or navigating challenging terrain, the locking limited-slip differential and integrated tow hooks provide exceptional control and confidence. The Onyx Black exterior is complemented by durable aluminum wheels, running boards, and an integrated tailgate step for easy bed access, complete with a protective bed liner to safeguard your gear.

Inside, premium leather bucket seats with heating and cooling functions, along with adjustable lumbar support and memory settings, ensure comfort on long hauls. The crew cab offers spacious rear seating with heating, perfect for crew or family. Advanced safety technologies like blind spot monitoring, lane departure warning, and front collision mitigation work seamlessly with an aerial view display and rear parking aid to keep you secure on every journey.

Connectivity and convenience are at your fingertips with adaptive cruise control, navigation system, WiFi hotspot, and remote engine start, making the Sierra 2500HD AT4 the ultimate partner for work and adventure across Canada’s diverse landscapes.