New 2025 GMC Sierra 2500HD Denali Ultimate

Description for 2025 GMC Sierra 2500HD Denali Ultimate Truck

The 2025 GMC Sierra 2500HD Denali Ultimate is designed for those seeking top-tier capability blended with advanced technology and luxury-grade refinement. Equipped with a Duramax 6.6L V8 turbodiesel engine paired to a 10-speed automatic transmission, this 4WD Crew Cab configuration is built to handle demanding workloads while maintaining composed on-road manners. With the inclusion of the X31 Off-Road Package and a 2-speed active transfer case, its also engineered for confident traction and durability on rough terrain.

Towing performance is a key strength, with this model outfitted for heavy-duty hauling thanks to the Gooseneck/5th Wheel Prep Package, trailer cam provisions, trailer viewing software, and Trailer Side Blind Zone Alert. Trailer Tire Pressure Monitor Sensors and Hitch Guidance further contribute to safer and more efficient trailering experiences. For added visibility and control in steep or slippery conditions, Hill Descent Control and HD Surround Vision provide driver assistance both on- and off-road.

Inside, the Denali Ultimate lives up to its name with a richly appointed Alpine Umber leather interior, heated and ventilated front seats, heated second-row outboard seats, and a premium 12-speaker Bose sound system. High-end materials meet cutting-edge features, including a 15-inch multicolor head-up display, a rearview auto-dimming camera mirror, and a power sunroof. Wireless charging and wireless phone projection via Apple CarPlay and Android Auto ensure connectivity remains seamless.

Convenience and comfort features are abundant, from the power sliding rear window with defogger to the deep-tinted glass, remote start system, and power outlets in the bed and interior. Interior space is accentuated by the floor-mounted center console, while exterior function is elevated through LED cargo area lighting, a spray-on bedliner with the GMC logo, and smoked amber roof marker lamps.

Safety technologies include Rear Cross Traffic Alert, a Safety Alert Seat, Ultrasonic Front & Rear Park Assist, and a Theft-Deterrent System, contributing to peace of mind on every drive. The inclusion of OnStar capability and SiriusXM with 360L trial access adds a further layer of connected service options.

The 2025 Sierra 2500HD Denali Ultimate is part of the Preferred Equipment Group 5SB and stands out with its exclusive Vader Chrome signature Denali grille, giving it a distinctive look that matches its upscale interior and powerful performance profile.

For added assurance with your purchase, this vehicle is backed by the Walt Massey 3 Day Money Back Guarantee. If returned in like-new condition within three business days and driven fewer than 300 miles, you can exchange it with no penalty. If the vehicle exceeds 300 miles, a charge of \$1.00 per additional mile will apply.

This model blends GMCs hallmark heavy-duty capabilities with its highest-level design and innovation offerings, providing a comprehensive package for drivers who expect both strength and sophistication.