2026 GMC Sierra 2500HD AT4 – Summit White Diesel Crew Cab

Bold and burly work truck built for heavy-duty hauling and off-road adventures.

Highlights

Powertrain: 470HP 6.6L 8-cylinder diesel engine
Fuel: Diesel (diesel) – 0 km (new)
Body: Crew Cab 4x4 pickup
Trim: AT4 (AT4 Premium Plus Package)
Features: X31 Off-Road Package, heated ventilated leather seats, Bose premium audio, 13.4” Google-built infotainment, wireless Apple CarPlay/Android Auto, wireless charging, Adaptive Cruise Control, HD Surround Vision, Trailer Side Blind Zone Alert
Safety: Sierra HD Pro Safety suite (Automatic Emergency Braking, Lane Departure Warning, Forward Collision Alert)
Exterior: Gooseneck/5th Wheel Prep Package, skid plates, Hill Descent Control, Rancho twin-tube shocks, red recovery hooks, spray-on bedliner, 20” black aluminum wheels
Interior: Bose premium audio, 13.4” infotainment display, heated ventilated seats, adaptive cruise control
Condition: New (0 km), never driven

Why Choose This Vehicle?

This 2026 GMC Sierra 2500HD AT4 is a new, never-driven work truck with a powerful diesel engine, advanced safety suite, and premium interior features. It offers the perfect blend of off-road capability, luxury, and capability for both daily hauling and weekend adventures. The AT4 trim includes the X31 Off-Road package, heated ventilated leather seats, and a top-tier Bose audio system. With zero mileage and a dealer-backed warranty, this truck is ready for any job or road trip.