New 2026 GMC Sierra 1500

Experience the 2026 GMC Sierra 1500 AT4: a powerful diesel 4x4 crew cab with advanced safety, off-road readiness, and premium comfort for demanding Canadian drivers.

The 2026 GMC Sierra 1500 AT4 is engineered for those who require strength and versatility. Powered by a Duramax 3.0L turbo-diesel inline six-cylinder engine delivering 305 hp and an impressive 495 lb-ft of torque, this truck is ready for tough jobs and towing with its 10-speed automatic transmission featuring electronic precision shift, tow/haul mode, and steering column paddle shifters. The 4x4 drivetrain includes a locking limited-slip differential for enhanced traction in challenging conditions.

Designed with off-road capability in mind, the AT4 Premium Package adds high-clearance steps for easier access, while the integrated tailgate step and bed liner protect and improve functionality. The Technology Package offers a rear camera mirror and a multicolour 15-inch diagonal head-up display, including a bed view camera for added convenience.

Inside, enjoy heated and cooled leather bucket seats with power adjustments and memory settings, plus heated rear seats and lumbar support for driver and passenger comfort. Safety is comprehensive with features like automatic high beams, blind spot monitoring, front collision mitigation, lane keeping assist, and cross-traffic alert. Black badging and moulded splash guards add a rugged, distinctive look to this capable Canadian truck.