Experience commanding power and refined capability in the 2026 GMC Sierra 1500 AT4 Crew Cab 4WD, designed for drivers who demand rugged performance with premium comfort and advanced technology.

This Sierra 1500 AT4 is equipped with a robust Duramax 3.0L turbo-diesel inline six-cylinder engine, delivering 305 horsepower and an impressive 495 lb-ft of torque, perfect for towing and hauling with confidence. The 10-speed automatic transmission with dual shift mode ensures smooth gear transitions and responsive handling on any terrain, while the 4x4 drivetrain and locking limited-slip differential provide exceptional traction and control in challenging conditions. Inside, enjoy heated and cooled leather bucket seats with adjustable lumbar support and memory settings for both driver and passenger, offering tailored comfort on long drives or workdays. The crew cab layout with a short bed balances spaciousness and utility, enhanced by the integrated tailgate step for easy access to your cargo. Safety is paramount with features like blind spot monitoring, front collision mitigation, lane keeping assist, and an aerial view display system that offers a comprehensive perspective around your truck. Additional conveniences include remote engine start, heated mirrors, power folding mirrors, and a premium sound system with smart device integration and WiFi hotspot, ensuring connectivity wherever the road takes you. The Sierra 1500 AT4 is the ultimate companion for those who demand strength, sophistication, and advanced capability in one formidable package.