Experience the power and precision of the 2025 GMC Sierra 2500HD AT4X Crew Cab 4WD, designed for those who demand rugged capability and refined comfort in every journey.

Built to conquer the toughest tasks, this Sierra 2500HD boasts a Duramax 6.6L Turbo-Diesel V8 engine delivering an impressive 470 horsepower and a massive 975 lb-ft of torque, perfect for heavy towing and hauling. The 10-speed automatic transmission and locking limited-slip differential ensure smooth, confident control on any terrain, while the advanced 4x4 drivetrain provides exceptional traction in challenging conditions. The AT4X trim enhances off-road readiness with power retractable running boards, integrated tailgate step, and all-season tires mounted on durable aluminium wheels.

Inside, the crew cab offers luxurious leather seats with heating, cooling, and massage functions, along with driver and passenger power-adjustable lumbar support and seat memory for personalised comfort on long hauls. Technology meets safety with adaptive cruise control, blind spot monitoring, cross-traffic alert, and a comprehensive aerial view display system that makes manoeuvring easier and safer. The heads-up display keeps essential information in your line of sight, while remote engine start and keyless entry add convenience to your daily routine.

In Summit White, the 2025 GMC Sierra 2500HD AT4X is the ultimate partner for work and adventure across Canada’s diverse landscapes.