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 top tier of GMCs heavy-duty lineup, delivering a balance of robust towing performance, luxury-grade interior appointments, and advanced trailering technology. This Crew Cab configuration is equipped with the 6.6L Duramax V8 Turbo-Diesel engine, paired with a 10-speed automatic transmission and 4WD capability, giving it the torque and gearing to handle demanding hauling and off-road conditions with confidence.

This model features the X31 Off-Road Package, which enhances durability and control in challenging terrain through features like Hill Descent Control and off-road-tuned suspension. It also includes a 2-speed active transfer case and skid plates for added protection. Trailer towing is a focal point of this trucks design, offering an integrated Gooseneck/5th Wheel Prep Package, Bed View Camera, Trailer Cam Provisions with Viewing Software, Trailer Side Blind Zone Alert, and Trailer Tire Pressure Monitoring Sensors. Hitching and reversing maneuvers are simplified by the HD Surround Vision system and Hitch Guidance features.

The Denali Ultimate trim elevates the luxury experience with premium Alpine Umber leather seating, open-pore wood accents, and a cabin loaded with technology and convenience. Comfort features include heated and ventilated front seats, heated rear outboard seats, a power sunroof, and dual-zone automatic climate control. A multicolor 15-inch Head-Up Display provides driving data directly within the drivers line of sight, while the inside rearview auto-dimming digital mirror offers enhanced rear visibility.

Connectivity and entertainment are delivered through a Bose Premium Series 12-speaker audio system and a large digital display supporting wireless Apple CarPlay and Android Auto via Wireless Phone Projection. Additional charging and connectivity are supported by multiple USB ports, a wireless charging pad, and 120-volt outlets located in both the bed and instrument panel. Remote Vehicle Start, Keyless Open & Start, and the Universal Home Remote system further add to day-to-day convenience.

Safety and driver assistance systems are also comprehensive. This Sierra includes the Technology Package with features like Rear Cross Traffic Alert, Ultrasonic Front and Rear Park Assist, a Safety Alert Seat, and the advanced trailering camera views. HD Surround Vision and Trailer Side Blind Zone Alert expand spatial awareness on and off the road.

The exterior design is highlighted by the Signature Denali Ultimate grille in Vader Chrome, LED lighting including smoked amber roof marker lamps, and a spray-on bedliner with GMC logo for added utility and protection. Deep-tinted glass, power rear sliding window with defogger, and LED cargo area lighting contribute to its blend of form and function.

This vehicle is covered by the Walt Massey 3 Day Money Back Guarantee. Under this policy, customers can return the vehicle within three business days of purchase if it is returned to the original dealership by 5 p.m. CST, in like-new condition, and with less than 300 miles driven. If the vehicle exceeds the 300-mile limit, a \$1.00 per mile fee applies for every mile beyond that threshold. This guarantee provides additional peace of mind for buyers seeking flexibility in their purchase decision.


Price includes: $500 - GM Military Cash Allowance Program. Exp. 01/02/2026