Experience the power and precision of the 2026 GMC Sierra 2500HD AT4X, a diesel-driven 4x4 crew cab built for those who demand rugged capability and refined comfort.

Designed for drivers who tackle tough jobs and challenging terrain, the Sierra 2500HD AT4X boasts a Duramax 6.6L turbo-diesel V8 engine delivering an impressive 470 horsepower and a staggering 975 lb-ft of torque. This powerhouse, paired with a smooth 10-speed automatic transmission and locking limited-slip differential, ensures confident towing and hauling with ease. The advanced 4-wheel drive system and integrated tailgate step enhance accessibility and off-road readiness, while power retractable running boards provide convenience on any surface.

Inside, the cabin is tailored for long hauls and hard work with heated and cooled leather bucket seats featuring adjustable lumbar support and massage functions, ensuring driver and passenger comfort throughout the journey. The heads-up display and aerial view camera system offer enhanced situational awareness, while adaptive cruise control and blind spot monitoring contribute to safer, more relaxed drives.

Finished in striking Onyx Black with durable aluminium wheels and a protective bed liner, this Sierra 2500HD AT4X is engineered to perform in all conditions, making it the ideal partner for demanding Canadian landscapes and heavy-duty tasks.