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

Powered by a Duramax 3.0L Turbo-Diesel I6 engine delivering 305 horsepower and 495 lb-ft of torque, this Sierra 1500 combines strength with efficiency. The 10-speed automatic transmission with electronic precision shift offers smooth gear changes, tow/haul mode, and steering column paddle shifters for enhanced control. Its locking limited-slip differential and 4-wheel disc brakes ensure confident handling on all terrains.

The AT4 Premium Package adds off-road high clearance steps and preferred features, while the Technology Package includes a rear camera mirror and a vibrant 15-inch multicolour head-up display with bed view camera for greater situational awareness. The truck rides on LT265/60R20 Goodyear Wrangler Territory MT tires, including a matching spare, perfect for on- and off-road adventures.

Inside, enjoy heated and cooled leather bucket seats with power adjustments and memory settings for both driver and passenger, plus lumbar support. Rear heated seats and a pass-through rear bench add versatility and comfort for five occupants. Safety is comprehensive with blind spot monitoring, cross-traffic alert, lane keeping assist, front collision mitigation, and more.

Additional features like a bed liner, integrated tailgate step, black badging package, and side assist handle make this Sierra 1500 AT4 a capable and stylish choice for demanding drivers.