New 2025 GMC Sierra 2500HD Denali Ultimate

Description for 2025 GMC Sierra 2500HD Denali Ultimate Truck

The 2025 GMC Sierra 2500HD Denali Ultimate represents the pinnacle of refinement and functionality in the heavy-duty truck segment. Built to manage demanding workloads while offering an elevated in-cabin experience, this 4WD Crew Cab combines high-end materials, innovative trailering technologies, and advanced safety systems.

At the heart of this truck is a 6.6L Duramax V8 turbodiesel engine, paired with a 10-speed automatic transmission. This powertrain is engineered for high torque output, durability, and the capability required for serious towing and hauling. With the inclusion of the 2-speed active transfer case, Hill Descent Control, and the X31 Off-Road Package, the Sierra Denali Ultimate delivers confidence across a variety of terrains and road conditions.

Trailering is a clear focus in this model. It includes a factory-installed Gooseneck/5th Wheel Prep Package, Trailer Cam Provisions, Hitch Guidance with Hitch View, Trailer Tire Pressure Monitoring, and Trailer Side Blind Zone Alert. Visibility while maneuvering a trailer is enhanced by a Bed View Camera and HD Surround Vision system. These features are integrated with GMC's In-Vehicle Trailering System and Trailer Viewing Software to simplify the towing experience. Rear Wheelhouse Liners and a Spray-On Bedliner with a GMC logo also help protect the truck bed during heavy use.

Inside, the Denali Ultimate trim is appointed with Alpine Umber leather upholstery and a full suite of luxury amenities. Heated and ventilated front seats, heated second-row outboard seats, a power sunroof, and a Bose Premium 12-speaker audio system all contribute to a premium environment. The cabin also includes a wireless charging pad, multiple USB ports for both charging and data, and Wireless Apple CarPlay and Android Auto for seamless device connectivity. A 15-inch multicolor Head-Up Display and the rearview auto-dimming camera mirror help the driver stay informed without losing focus on the road.

The interior layout is centered around a floor-mounted console, a manual tilt and telescoping steering column, and intuitive controls. Additional conveniences include power windows with express up/down for the front passenger, a power sliding rear window, a universal home remote, and remote start capability. The Signature Denali Ultimate grille in Vader Chrome further distinguishes the truck visually, along with smoked amber LED roof marker lamps and deep-tinted glass.

Safety systems are expansive. Features such as Rear Cross Traffic Alert, Ultrasonic Front and Rear Park Assist, the Safety Alert Seat, and the Unauthorized Entry Theft-Deterrent System are standard. Rain-sensing front wipers, LED cargo area lighting, and OnStar services round out a comprehensive suite of assistance and protection tools.

As with all vehicles at Walt Massey, the 2025 GMC Sierra 2500HD Denali Ultimate comes with the 3 Day Money Back Guarantee. If a customer returns the truck in like-new condition within three business days (by 5 p.m. CST) and has driven it less than 300 miles, they are eligible for a full refund or exchange. Vehicles driven over 300 miles can still be returned, with a \$1.00 per mile deduction applied for the additional mileage.

This Denali Ultimate trim reflects GMC's approach to combining strength with sophistication, making it a suitable choice for those who require substantial capability but refuse to compromise on comfort and technology.

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. 09/02/2025