Command every job site and trail with the 2026 GMC Sierra 3500HD AT4 Crew Cab 4WD, a diesel powerhouse engineered for maximum capability and refined comfort.

Built for drivers who demand strength and precision, the Sierra 3500HD features a Duramax 6.6L turbo-diesel V8 engine delivering an impressive 470 horsepower and a staggering 975 lb-ft of torque. This robust powertrain, paired with a 10-speed automatic transmission and locking limited-slip differential, ensures confident towing and hauling in all conditions. The 4x4 drivetrain and integrated tow hooks provide exceptional off-road capability and readiness for rugged terrain.

Inside, the AT4 trim offers premium leather bucket seats with heating, cooling, and adjustable lumbar support for both driver and passenger, ensuring comfort during long hauls. Advanced safety technologies like blind spot monitoring, front collision mitigation, lane departure warning, and an aerial view display system keep you secure and aware on every journey. Convenience features such as remote engine start, power folding mirrors, and an integrated tailgate step simplify your workday.

Finished in striking Coastal Dune with aluminum wheels and equipped with a bed liner and running boards, this Sierra 3500HD blends rugged durability with refined style, making it the ultimate tool for professionals who settle for nothing less than excellence.