2026 GMC Sierra 3500 HD Denali Ultimate DRW – Downpour Metallic
The 2026 GMC Sierra 3500 HD Denali Ultimate represents the absolute pinnacle of heavy-duty luxury, capability, and craftsmanship. Built for those who demand maximum towing confidence and first-class refinement, this Dual Rear Wheel (DRW) Denali Ultimate is engineered to dominate the toughest jobs while surrounding its occupants in premium materials and advanced technology.
Under the hood, the legendary Duramax 6.6L Turbo-Diesel V8 delivers a commanding 470 hp and an incredible 975 lb-ft of torque, paired with the robust 10-Speed Allison® Automatic Transmission (MGM) for seamless power delivery, exceptional towing control, and proven long-term durability. Its 14,000 lb GVWR, 3.42 rear axle, dual rear wheel configuration, and heavy-duty suspension give this truck the backbone needed for large trailers, fifth wheels, and commercial-grade hauling.
Inside, the cabin is the most luxurious ever installed in a Sierra HD. The Alpine Umber Full-Grain Leather seating, exclusive Denali Ultimate detailing, and advanced digital interfaces create a refined and commanding driver environment. The centrepiece is the 13.4" Premium GMC Infotainment System with Google Built-In, offering navigation, wireless Apple CarPlay/Android Auto, and intuitive voice assistance.
This Sierra is further equipped with packages designed for demanding work environments, including the Snow Plow Prep/Camper Package, Trailering Wiring Provisions, High Idle Switch, and Upfitter Switch Kit for full integration of aftermarket accessories. Dealer-installed upgrades enhance protection and convenience with All-Weather Floor Liners, Rear Wheelhouse Liners, Sport Pedal Covers, and a Console-Mounted Locking Safe.
The 2026 Sierra 3500 Denali Ultimate DRW is the perfect fusion of unmatched strength, sophisticated technology, and handcrafted luxury — built for those who simply expect the best.
Key Features Include:
Dual Rear Wheels (DRW) with LED marker lamps
6.6L Duramax Turbo-Diesel V8 (470 hp / 975 lb-ft)
10-Speed Allison Automatic Transmission
14,000 lb GVWR
3.42 Rear Axle Ratio
18" Polished Forged Aluminum Wheels
Alpine Umber Full-Grain Leather Seating
13.4" GMC Premium Infotainment with Google Built-In
Snow Plow Prep/Camper Package (VYU)
Upfitter Switch Kit (5 switches)
Trailering Wiring Provisions (UY2)
High Idle Switch (UF3)
Universal Vehicle Module (KGU) for custom integrations
Rear Wheelhouse Liners, All-Weather Liners & Console Safe (LPO)
Downpour Metallic Exterior
3 Years of SiriusXM Included
