New 2026 GMC Sierra 3500HD

Experience the power and capability of the 2026 GMC Sierra 3500HD AT4 in Titanium Rush Metallic, designed for demanding work and rugged adventures.

This diesel-powered crew cab pickup features 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 advanced 4x4 drivetrain with locking limited-slip differential. The AT4 Premium Plus Package enhances comfort and technology with a power sunroof, Technology Package, and Off-Road High Clearance step, perfect for tough terrain.

Inside, enjoy premium leather bucket seats with heating and cooling, power adjustments, lumbar support, and memory functions for both driver and passenger. The spacious rear bench includes heated seats and a pass-through for added versatility. Stay confident with safety features like automatic high beams, blind spot monitoring, lane departure warning, front collision mitigation, and a comprehensive airbag system.

The exterior is rugged with aluminum wheels, off-road tires, running boards, integrated tailgate step, bed liner, and dealer-installed front and rear moulded splash guards. The Gooseneck/5th Wheel Prep Package equips the truck with a hitch platform and trailer harness for heavy towing needs. Additional conveniences include heated mirrors, keyless entry and start, remote engine start, and an aerial view display system for precise manoeuvring.