New 2025 GMC Sierra 2500HD Denali Ultimate

Description for 2025 GMC Sierra 2500HD Denali Ultimate Crew Cab

The 2025 GMC Sierra 2500HD Denali Ultimate represents one of the most capable and luxurious configurations available in the heavy-duty truck segment. Built to handle demanding tasks while offering premium-level amenities, this 4WD Crew Cab truck is powered by the Duramax 6.6L V8 turbodiesel engine mated to a 10-speed automatic transmission. With a design that balances performance, technology, and comfort, the Denali Ultimate trim expands the boundaries of what a work-capable truck can offer.

The Sierra 2500HD Denali Ultimate is well equipped for towing and hauling needs. It features the Gooseneck/5th Wheel Prep Package, Trailer Cam Provisions with Trailer Viewing Software, Trailer Side Blind Zone Alert, and Trailer Tire Pressure Monitor Sensors. These systems are complemented by HD Surround Vision, a Bed View Camera, and Hill Descent Control, making the truck not only capable but also confidence-inspiring in both off-road and trailer maneuvering scenarios. The X31 Off-Road Package further enhances performance on challenging terrain with upgrades like off-road suspension tuning and skid plates.

Inside the cabin, the Sierra Denali Ultimate delivers on luxury. The interior is trimmed in Alpine Umber leather and features ventilated and heated front seats, heated second-row outboard seats, a power sunroof, and a floor-mounted center console. The Multicolor 15-inch Diagonal Head-Up Display and Inside Rearview Auto-Dimming Camera Mirror improve visibility and awareness, while the Bose Premium Series 12-Speaker System delivers high-quality sound. Additional convenience features include wireless charging, a universal home remote, keyless open and start, and power sliding rear window with defogger.

Technology is central to this trim. The truck includes a suite of USB ports throughout the cabin, 120-volt power outlets in the bed and instrument panel, and wireless phone projection for smartphone connectivity. The inclusion of OnStar Services capability and SiriusXM with 360L provides access to navigation, safety features, and entertainment. Safety technologies like Rear Cross Traffic Alert, Ultrasonic Front and Rear Park Assist, a Safety Alert Seat, and an Unauthorized Entry Theft-Deterrent System further add to the truck's comprehensive protection offerings.

Distinctive exterior features include the Signature Denali Ultimate Grille finished in Vader Chrome, LED smoked amber roof marker lamps, LED cargo area lighting, rear wheelhouse liners, and a spray-on bedliner with the GMC logo. The power sunroof and deep-tinted glass elevate the exterior styling while adding functionality and comfort.

This truck is part of the Preferred Equipment Group 5SB and includes a wide array of integrated systems that align utility with luxury. Whether towing heavy loads or cruising in high-comfort, the 2025 Sierra 2500HD Denali Ultimate is designed to meet the demands of both work and refinement.

For added peace of mind, every vehicle from Walt Massey includes our 3 Day Money Back Guarantee. If you return your vehicle within three business days of purchase by 5 p.m. CST in like-new condition and with fewer than 300 miles driven, you're eligible for a full return. If you exceed 300 miles, a fee of \$1.00 per additional mile will be assessed. This guarantee allows you to make your decision with confidence, knowing your satisfaction is a priority.

Not all rebates may apply. Some rebates are not compatible with other rebates. Offers are subject to change. See dealer for details. Price includes: $1000 - Buick & GMC Consumer Cash Program. Exp. 09/30/2025