New 2025 GMC Sierra 2500HD Denali

Description for 2025 GMC Sierra 2500HD Denali Truck

The 2025 GMC Sierra 2500HD Denali is a heavy-duty truck designed to combine high capability with upscale refinement. Outfitted with a Duramax 6.6L V8 turbodiesel engine paired to a 10-speed automatic transmission and four-wheel drive, this Crew Cab model delivers strong towing and hauling performance while offering a suite of technology and comfort features that support both work and daily driving.

This Sierra 2500HD Denali is configured with the Denali Reserve Package, bringing additional high-end features such as a power sunroof, multicolor 15-inch head-up display, and HD Surround Vision system. The head-up display projects key information onto the windshield, allowing drivers to keep their eyes on the road while monitoring vehicle speed, navigation directions, and safety alerts. The HD Surround Vision system uses multiple cameras to provide a birds-eye view around the truck, improving low-speed maneuverability and trailer alignment.

Designed with trailering in mind, this model includes Trailer Camera Provisions, Trailer Viewing Software, Trailer Side Blind Zone Alert, and Hitch Guidance with Hitch View. The integrated trailer brake controller and 2-speed active transfer case enhance towing control on varying terrain, while the X31 Off-Road Package contributes additional off-road readiness with features like hill descent control and skid plates.

The cabin blends functionality with comfort, offering full leather upholstery in black, a floor-mounted center console, and ventilated and heated front seats. The second row also features heated outboard seats. Audio and infotainment needs are handled by the Bose Premium 7-speaker sound system and a wireless-compatible infotainment system that includes wireless phone projection via Apple CarPlay and Android Auto. Theres also wireless device charging and multiple USB ports, including charge-only and data-capable connections inside the center console.

Additional technology and safety features include the Safety Alert Seat, Rear Cross Traffic Alert, Ultrasonic Front and Rear Park Assist, and the Inside Rearview Auto-Dimming Rear Camera Mirror. Rain-sensing wipers and LED exterior lightingincluding smoked amber roof marker lamps and cargo area lightingadd to visibility and functionality. The signature chrome Denali grille and polished exhaust tip visually distinguish the Denali trim.

For added utility, this truck includes a spray-on bedliner with the GMC logo, rear wheelhouse liners, a 120-volt bed-mounted power outlet, and an additional outlet on the instrument panel. The power sliding rear window with defogger, universal home remote, and remote vehicle start system add convenience for daily use.

This vehicle is also eligible under the Walt Massey 3 Day Money Back Guarantee. Customers have three business days from the date of purchase to return the vehicle to the dealership in like-new condition if they choose not to keep it. The return must occur before 5 p.m. CST on the third business day, with an extra day provided if that deadline falls on a day the dealership is closed. The vehicle must be driven less than 300 miles to avoid any additional fees. If over 300 miles, a \$1.00 fee per mile will be assessed.

The 2025 Sierra 2500HD Denali offers a combination of diesel-powered strength, Denali-level refinement, and technology tailored for serious towing and trailering, making it well suited for buyers who need heavy-duty capability without sacrificing comfort and connectivity.

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 $1000 - GM Bonus Cash. Exp. 09/02/2025