New 2025 GMC Sierra 2500HD Denali

Description for 2025 GMC Sierra 2500HD Denali Truck

The 2025 GMC Sierra 2500HD Denali represents one of the most capable and feature-rich heavy-duty pickups available, combining advanced towing technology, premium interior appointments, and rugged off-road readiness. This model is powered by a 6.6-liter V8 engine paired with a 10-speed automatic transmission and four-wheel drive, offering both power and control for hauling, trailering, and daily use. The inclusion of a two-speed active transfer case and the X31 Off-Road Package further prepares it for uneven terrain, adding durability and confidence in more demanding driving environments.

Inside, the Denali trim emphasizes comfort and refinement. The Atmosphere and Brownstone leather interior provides a distinctive appearance, while heated and ventilated front seats and heated second-row outboard seats ensure year-round comfort. The cabin also features a floor-mounted center console for organized storage, along with a power sunroof that enhances natural light and openness. Advanced technology is a centerpiece, with a Bose premium seven-speaker audio system, wireless phone projection, and wireless charging for compatible devices. Multiple USB ports, including both data and charge-only connections, support modern connectivity needs.

Driver assistance and safety features are extensive. HD Surround Vision, Rear Cross Traffic Alert, Trailer Side Blind Zone Alert, and Ultrasonic Front and Rear Park Assist contribute to enhanced awareness when maneuvering. The Safety Alert Seat provides intuitive feedback during potential hazard situations. Trailering technology is particularly comprehensive, with the Bed View Camera, Trailer Cam Provisions, Trailer Viewing Software, and a Gooseneck/5th Wheel Prep Package supporting serious towing operations. The 15-inch multicolor head-up display and inside rearview auto-dimming camera mirror further aid driver visibility.

Exterior design highlights include a signature chrome Denali grille, LED smoked amber roof marker lamps, and polished exhaust tips. Practical details such as a spray-on pickup bedliner with GMC logo, rear wheelhouse liners, LED cargo lighting, and deep-tinted glass support both function and appearance. Rain-sensing wipers, a power sliding rear window, and keyless open and start add everyday convenience.

The Denali Reserve Package and Technology Package combine luxury and capability, offering enhancements like advanced camera systems, premium materials, and expanded safety functions. With the addition of the unauthorized entry theft-deterrent system and universal home remote, the truck integrates both security and daily convenience features.

Every vehicle purchased at Walt Massey comes with the 3 Day Money Back Guarantee. If a customer decides the Sierra 2500HD Denali is not the right fit, it can be exchanged within three business days of purchase, provided it is returned in like-new condition with fewer than 300 miles. If it exceeds 300 miles, a charge of one dollar per additional mile will apply. This guarantee provides added peace of mind when making a decision on a heavy-duty truck of this caliber.

Would you like me to also prepare a version that emphasizes its towing and trailering technology in greater detail for customers who are comparing work-focused heavy-duty trucks?

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