Experience the 2026 GMC Sierra 1500 AT4 in Coastal Dune: a rugged yet refined diesel-powered 4x4 crew cab designed for Canadian drivers who demand capability and comfort on every journey.

Built to conquer diverse terrains, the Sierra 1500 AT4 features a turbocharged straight-six diesel engine paired with a smooth 10-speed automatic transmission, delivering impressive torque and fuel efficiency. Its advanced four-wheel drive system includes a locking limited-slip differential, ensuring confident traction whether navigating snowy backroads or hauling heavy loads. The integrated tailgate step and bed liner enhance practicality for work or weekend adventures.

Inside, the cabin offers premium leather bucket seats with heating, cooling, and adjustable lumbar support for both driver and passenger, making long drives more comfortable. Memory settings and power adjustments add convenience, while heated rear seats ensure all passengers stay warm during chilly Canadian winters. The multi-zone climate control and sun/moonroof create an inviting atmosphere.

Safety is paramount with features like automatic high beams, blind spot monitoring, lane keeping assist, and front collision mitigation, providing peace of mind on busy highways or remote routes. The aerial view display and rear parking aid simplify manoeuvring in tight spaces.

With adaptive cruise control, WiFi hotspot, and smart device integration, the Sierra 1500 AT4 blends rugged capability with modern technology, perfectly suited for those who demand more from their truck.