New 2026 GMC Sierra 3500HD

Experience commanding power and advanced towing technology in the 2026 GMC Sierra 3500HD SLE Crew Cab Long Bed, built for serious work and rugged reliability.

This new Sierra 3500HD is equipped with a Duramax 6.6L Turbo-Diesel V8 engine delivering an impressive 470 horsepower and 975 lb-ft of torque, paired with a smooth 10-speed automatic transmission and dual rear wheels for enhanced stability. Its 4x4 drivetrain and locking limited-slip differential ensure confident handling on all terrains, complemented by all-terrain tires front and rear. The truck features a spray-on bedliner and a Gooseneck/5th Wheel prep package, including a hitch platform and 7-pin trailer harness, perfect for heavy-duty towing needs. The SLE Value Package adds heated mirrors, remote start, and convenience features, while the Preferred Package brings adaptive cruise control, hitch guidance with hitch view, cargo bed LED lighting, and a rear sliding power window for added functionality. Safety is prioritized with front collision mitigation, lane departure warning, automatic high beams, and multiple airbags. Additional practical touches include running boards, rear wheelhouse liners, LED headlights, and dual rear wheel LED hip marker lights. Inside, cloth seats accommodate six with a split rear bench and pass-through storage, making this Sierra 3500HD a versatile and capable partner for demanding drivers.