New 2025 GMC Sierra 3500HD Denali Ultimate

Description for 2025 GMC Sierra 3500HD Denali Ultimate Truck

The 2025 GMC Sierra 3500HD Denali Ultimate is a heavy-duty truck built for those who demand high performance, advanced technology, and premium comfort. Designed to handle tough jobs while providing a refined driving experience, this model comes equipped with a powerful Duramax 6.6L V8 Turbodiesel engine paired with a 10-speed automatic transmission, ensuring impressive towing capability and efficiency. Its 4WD system, complemented by a 2-speed active transfer case and the X31 Off-Road Package, enhances off-road performance and traction, making it well-suited for both work and adventure.

The Sierra 3500HD Denali Ultimate boasts a bold and sophisticated design with its Signature Denali Ultimate Grille in Vader Chrome, LED Smoked Amber Roof Marker Lamps, and deep-tinted glass. The White Frost Tricoat exterior pairs seamlessly with an Alpine Umber leather interior, offering a luxurious cabin with meticulous attention to detail. The interior is enhanced with heated and ventilated front seats, heated second-row outboard seats, a floor-mounted center console, and a multicolor 15-inch diagonal head-up display for an elevated driving experience.

This truck is equipped with advanced technology designed to improve safety, convenience, and connectivity. The Bose Premium Series 12-speaker system delivers high-quality audio, while the wireless charging pad and wireless phone projection for Apple CarPlay and Android Auto keep you connected without the hassle of cords. The in-vehicle trailering app, ProGrade Trailering System, Trailer Camera Provisions, and Trailer Side Blind Zone Alert offer an integrated towing experience with added confidence. Additional trailering features such as Hitch Guidance with Hitch View and Trailer Tire Pressure Monitor Sensors further enhance towing efficiency.

Safety is a priority with features such as HD Surround Vision, Rear Cross Traffic Alert, Ultrasonic Front & Rear Park Assist, and a Safety Alert Seat, all designed to provide enhanced awareness and assist in avoiding potential hazards. The truck also includes a Bed View Camera with two trailer camera provisions, an auto-dimming inside rearview mirror with camera display, and LED cargo area lighting for added visibility in various conditions.

For added convenience, the Sierra 3500HD Denali Ultimate features keyless open and start, a remote vehicle starter system, a power sunroof, a power sliding rear window with a defogger, and a universal home remote. The 120-volt power outlets, both in the bed and instrument panel, provide additional utility for powering tools or other devices when needed.

At Walt Massey, we stand by the quality of our vehicles with our **3 Day Money Back Guarantee**. If you are not completely satisfied, you can return or exchange the vehicle within three business days, provided it meets the conditions outlined in our policy. This ensures peace of mind with your purchase.

Whether you're hauling heavy loads, navigating off-road terrain, or seeking a premium driving experience, the 2025 GMC Sierra 3500HD Denali Ultimate delivers the capability, technology, and comfort to exceed expectations.
Not all rebates may apply. Some rebates are not compatible with other rebates. Offers are subject to change. See dealer for details. Price includes: $500 - GM Military Cash Allowance Program. Exp. 01/02/2026