2026
GMC SIERRA 2500HD DENALI ULTIMATE 4X4 CREW CAB 6.75 FT. BOX (NHT)

Uncompromising power meets first-class luxury in the 2026 GMC Sierra 2500HD Denali Ultimate 4WD, finished in stunning Glacier White Tricoat with an exclusive Alpine Umber interior. As the pinnacle of GMC’s heavy-duty lineup, the Denali Ultimate delivers premium craftsmanship, cutting-edge technology, and serious towing capability in one commanding package. At its heart is the legendary 6.6L Duramax V8 Turbo-Diesel paired with a 10-speed automatic transmission, delivering massive torque and effortless pulling power. Equipped with the Max Trailering Package including gooseneck/5th wheel prep and heavy-duty suspension upgrades, this truck is built to handle demanding workloads with confidence and stability. A 3.42 rear axle ratio and integrated high idle switch further enhance its work-ready capability. Inside, the Denali Ultimate surrounds you in top-tier refinement with full-grain leather seating, authentic wood trim, advanced digital displays, premium audio, and a suite of driver-assistance technologies designed for confidence on and off the job site. Power-retractable assist steps with LED perimeter lighting add convenience and presence, while the MultiPro Tailgate with integrated Kicker audio system brings versatility and entertainment wherever the road takes you. Blending luxury-level comfort with uncompromising heavy-duty strength, the 2026 Sierra 2500HD Denali Ultimate 4WD is engineered for those who demand the very best in performance, capability, and premium design.