2026 GMC Sierra 1500 AT4

Experience the 2026 GMC Sierra 1500 AT4, a rugged 4WD crew cab truck designed for power, comfort, and advanced technology in every drive.

Powered by a Duramax 3.0L Turbo-Diesel I6 engine delivering 305 horsepower and an impressive 495 lb-ft of torque, this Sierra 1500 AT4 is built to tackle tough jobs with ease. The 10-speed automatic transmission with electronic precision shift and tow/haul mode offers smooth, responsive control, complemented by steering column paddle shifters for added driving confidence. Its 4x4 drivetrain and locking limited-slip differential enhance traction and stability on any terrain.

The AT4 Premium Package includes off-road high clearance steps and the preferred AT4 features, while the Technology Package adds a rear camera mirror and a vibrant 15-inch multicolour head-up display, complete with a bed view camera for enhanced visibility. Safety is paramount with features like automatic high beams, blind spot monitoring, cross-traffic alert, lane keeping assist, and front collision mitigation.

Inside, enjoy heated and cooled leather bucket seats with power adjustments and memory settings for both driver and passenger, plus a heated steering wheel. The exterior boasts a bed liner, integrated tailgate step, body-colour wheel arch mouldings, and black badging for a bold, distinctive look. This Sierra 1500 AT4 combines capability, technology, and style for the discerning Canadian driver.