Experience the power and sophistication of the 2026 GMC Sierra 3500HD AT4 Crew Cab 4WD, designed for drivers who demand exceptional capability and advanced technology in every journey.

This Summit White Sierra 3500HD is equipped with a robust Duramax 6.6L Turbo-Diesel V8 engine delivering an impressive 470 horsepower and 975 lb-ft of torque, perfect for heavy towing and hauling with confidence. The 10-speed automatic transmission and four-wheel-drive system, complemented by a locking limited-slip differential, ensure superior control and traction in all conditions. The AT4 trim adds rugged style and functionality with integrated running boards, a bed liner, and an innovative integrated tailgate step for easy access to the cargo area.

Inside, the crew cab offers premium leather bucket seats with heating, cooling, and adjustable lumbar support for both driver and passenger, along with seat memory for personalized comfort. Advanced safety features like blind spot monitoring, front collision mitigation, lane departure warning, and an aerial view display system provide peace of mind on every trip. The Sierra 3500HD also includes adaptive cruise control, remote engine start, and a premium sound system with smart device integration, making it as smart as it is tough. This truck is built to handle your toughest jobs while keeping you connected and comfortable.