Power through the toughest jobs with the 2026 GMC Sierra 3500HD SLT Crew Cab 4WD, designed for those who demand unmatched capability and comfort in a heavy-duty truck.

The Sierra 3500HD SLT is powered by a robust Duramax 6.6L Turbo-Diesel V8 engine delivering an impressive 470 horsepower and a staggering 975 lb-ft of torque, perfect for hauling and towing heavy loads with ease. Its 10-speed automatic transmission and four-wheel-drive system, combined with a locking limited-slip differential, ensure optimal traction and control on any terrain. The long bed and crew cab configuration provide ample space for both cargo and passengers, making it ideal for work crews or family outings.

Safety is paramount, featuring advanced technologies like front collision mitigation, lane departure warning, and automatic high beams to keep you protected on the road. The truck is equipped with LED headlights, fog lamps, and heated, power-folding mirrors with integrated turn signals, enhancing visibility in all conditions.

Inside, enjoy premium leather seats with heating and power adjustments, including memory settings and lumbar support for both driver and passenger. The multi-zone climate control, heated steering wheel, and a suite of smart connectivity options such as navigation, Bluetooth, and WiFi hotspot keep you comfortable and connected throughout your journey. With remote engine start and keyless entry, convenience is always at your fingertips.