Experience the 2026 GMC Sierra 1500 AT4 Crew Cab 4WD in Summit White, designed for power, comfort, and advanced safety on every journey.

This new Sierra 1500 AT4 is powered by a robust Duramax 3.0L turbo-diesel inline six-cylinder engine delivering 305 horsepower and an impressive 495 lb-ft of torque, paired with a 10-speed automatic transmission featuring dual shift mode for smooth and responsive driving. Its four-wheel-drive system and locking limited-slip differential ensure confident handling on any terrain.

Inside, enjoy premium leather bucket seats with heating and cooling functions, plus adjustable lumbar support for both driver and passenger. The seats also feature memory settings for personalized comfort. Rear passengers benefit from heated seating and a convenient pass-through rear seat. The cabin is equipped with multi-zone climate control and a heated steering wheel for year-round comfort.

Safety is paramount with features like automatic high beams, blind spot monitoring, cross-traffic alert, front collision mitigation and warning, lane departure warning, lane keeping assist, and a comprehensive airbag system. An aerial view display system and back-up camera enhance visibility, while adaptive cruise control and remote engine start add convenience.

The exterior includes LED headlights, fog lamps, heated and power-folding mirrors with memory, an integrated tailgate step, bed liner, tow hooks, and a tow hitch, all mounted on stylish aluminum wheels. This Sierra 1500 AT4 is built to tackle work and adventure with confidence and style.