New 2025 GMC Sierra 2500HD Denali Ultimate

Description for 2025 GMC Sierra 2500HD Denali Ultimate Truck

The 2025 GMC Sierra 2500HD Denali Ultimate is a heavy-duty truck that combines rugged capability with premium luxury and advanced technology. This configuration features the Duramax 6.6L V8 turbodiesel engine paired with a 10-speed automatic transmission and a 4WD drivetrain. This powertrain setup is known for its robust towing performance and efficiency, making it well-suited for demanding tasks like hauling heavy loads, towing large trailers, or off-road excursions.

The Denali Ultimate trim emphasizes refinement, featuring an upscale Alpine Umber leather interior with a floor-mounted center console and a range of comfort and convenience features. Both the driver and front passenger enjoy heated and ventilated seats, while the second-row outboard seats are also heated. The cabin benefits from a premium Bose 12-speaker audio system and a 15-inch multicolor head-up display that projects key information onto the windshield for easier viewing. The advanced HD Surround Vision system and inside rearview auto-dimming rear camera mirror help improve visibility and situational awareness, especially when maneuvering a large truck.

Technology in the Denali Ultimate is extensive, with wireless phone projection, wireless charging, and a range of trailer support features, including Trailer Side Blind Zone Alert, trailer camera provisions with Trailer Viewing Software, and trailer tire pressure monitoring sensors. The truck also includes the Safety Alert Seat, Rear Cross Traffic Alert, Ultrasonic Front and Rear Park Assist, and a full suite of driver assistance systems. The inclusion of the X31 Off-Road Package adds off-road capability, incorporating features like Hill Descent Control and an advanced 2-speed active transfer case for improved traction on varied terrain.

Exterior details like the signature Denali Ultimate grille finished in Vader Chrome, LED cargo area lighting, smoked amber roof marker lamps, and a spray-on bedliner with the GMC logo reflect the truck's premium and functional design. A power sunroof and power sliding rear window with a defogger contribute to cabin comfort and flexibility.

Practical touches include multiple power outlets120-volt outlets in the bed and the instrument panelUSB ports for both charging and data, a bed view camera with two trailer camera provisions, rear wheelhouse liners, and the Gooseneck/5th Wheel Prep Package for towing. The truck is also equipped with rain-sensing wipers, deep-tinted glass, and a remote vehicle starter system.

The 2025 GMC Sierra 2500HD Denali Ultimate is backed by the Walt Massey 3 Day Money Back Guarantee. If you decide the truck isnt the right fit for you, you have up to three business days (with an extension if the third day falls on a closed day) to return it to the dealership in like-new condition with under 300 miles. If the truck exceeds 300 miles, a \$1.00 per mile fee applies. This policy ensures buyers have peace of mind and flexibility with their purchase.


Price includes: $1000 - Buick & GMC Select Market Incremental Consumer Cash. Exp. 08/04/2025