Experience the power and precision of the 2026 GMC Sierra 2500HD AT4, a diesel-driven 4x4 crew cab built for demanding Canadian terrains and heavy-duty tasks.

Crafted for those who require both strength and comfort, this Sierra 2500HD features a turbocharged 8-cylinder diesel engine paired with a smooth 10-speed automatic transmission, delivering exceptional towing and hauling capabilities. Its advanced 4-wheel drive system with locking limited-slip differential ensures confident handling on rugged trails or slippery roads. The robust chassis includes 4-wheel disc brakes and a tow hitch, complemented by integrated tow hooks for added utility.

Inside, the cabin offers heated and cooled leather bucket seats with power adjustments and memory settings, ensuring comfort on long drives. The driver benefits from lumbar support and a heated steering wheel, while rear passengers enjoy heated seats and a pass-through rear bench. Technology enhances every journey with an aerial view display system, adaptive cruise control, navigation, and seamless smart device integration via Bluetooth and WiFi hotspot.

Safety is paramount with features like blind spot monitoring, lane departure warning, automatic high beams, front collision mitigation, and cross-traffic alert. Exterior conveniences include a bed liner, integrated tailgate step, running boards, heated mirrors, and power folding mirrors, all wrapped in a striking Onyx Black finish. The Sierra 2500HD AT4 is ready to tackle any challenge with confidence and style.