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2025 Sierra HD Denali Ultimate: The Pinnacle of Luxury Trucks
Experience the world's most luxurious heavy-duty truck at Transwest GMC. The 2025 Sierra HD Denali Ultimate redefines professional-grade with a standard 470-hp Duramax Turbo-Diesel, exclusive Alpine Umber leather, and 16-way massaging seats. Command the roads of Henderson with an unrivaled 975 lb.-ft. of torque and sophisticated Vader Chrome styling.
Terms and conditions may apply. Offer expires 4/30/2026. [More details]
Uncompromising Capability and First-Class Refinement
Engineered for those who refuse to settle, the Sierra HD Denali Ultimate combines a best-in-class interior with legendary Duramax power. Whether you're towing up to 20,000 lbs. or navigating Denver traffic, this truck delivers a premium experience through authentic Paldao wood accents, a 12-speaker Bose Premium Series system, and cutting-edge trailering technology. Visit Transwest GMC in Henderson to witness the pinnacle of the Sierra lineup.
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Exclusive Alpine Umber Luxury Interior
The Sierra HD Denali Ultimate cabin features the exclusive Alpine Umber colorway, utilizing full-grain leather seating and authentic open-pore Paldao wood. Elevate your comfort with standard 16-way power front seats with a massage feature, while the laser-etched topographical maps of Mt. Denali on the wood trim and leather remind you that you're driving the peak of GMC craftsmanship.
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Advanced Trailering-Assistance Technology
Stay in command with up to 14 available camera views, including the industry-first transparent trailer view. The 2025 Denali Ultimate simplifies heavy-duty towing with Adaptive Cruise Control with Trailering, which automatically adjusts for the drag and braking distance of your load. Combined with a 15" diagonal Head-Up Display, all your vital stats are projected right on the windshield.
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High-Output Duramax Turbo-Diesel Performance
Standard on the Denali Ultimate, the Duramax 6.6L Turbo-Diesel V8 paired with the Allison 10-speed transmission produces a massive 975 lb.-ft. of torque. This powertrain is designed for extreme duty, offering the grit to tackle Colorado's steepest mountain passes with ease. From the signature Vader Chrome grille to the 20" Ultra-Bright machined aluminum wheels, this truck is as powerful as it is beautiful.
*Stock #G250550. See dealer for complete details. Offer expires 04/30/2026
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