This 2025 GMC Sierra 2500HD Denali Ultimate in Silver represents premium heavy-duty capability with meticulous attention to comfort and technology.

- Duramax 6.6L V8 Turbodiesel engine with 10-speed automatic transmission and 4WD
- Max Trailering Package with 3500 HD frame, leaf springs, 12" rear axle, and gooseneck/5th wheel prep
- Dual 220-amp primary and 170-amp auxiliary alternators
- Heavy-duty front spring and camper package
- Bose Premium Series 12-speaker audio system with SiriusXM 360L trial
- Signature Denali Ultimate grille in Vader Chrome
- 20" ultra-bright machined aluminum wheels
- Spray-on pickup bedliner with GMC logo
- Power sunroof with automatic operation
- 16-way power driver and passenger seats with lumbar support and heating/ventilation
- HD Surround Vision with bed view camera and trailer camera provisions
- Wireless charging and wireless phone projection
- Ultrasonic front and rear park assist with trailer side blind zone alert
- Heated steering wheel and genuine wood interior trim accents
- Advanced safety suite including automatic emergency braking, lane departure warning, and forward pedestrian braking

The Denali Ultimate trim delivers a refined cabin experience that refuses to compromise on capability. Full-grain leather seating, heated and ventilated front seats, and a heated second row outboard provide comfort for every journey. The available power sunroof floods the interior with natural light, while the multicolor 15-inch head-up display keeps essential information at your line of sight. Premium floor liners with removable carpet inserts protect the interior while maintaining that high-end aesthetic.

This truck is engineered for serious work. The Max Trailering Package infrastructure includes the upgraded frame, suspension, and axle necessary for substantial loads. Dual high-output alternators ensure reliable power delivery for auxiliary equipment, while the high-idle switch optimizes engine performance for extended towing scenarios. Trailer tire pressure monitoring sensors and the in-vehicle trailering system app provide real-time information during transport.

Technology integration throughout this Sierra simplifies daily operation and enhances safety. Apple CarPlay and Android Auto connectivity, steering wheel audio controls, and the GMC infotainment system keep you connected without distraction. The HD Surround Vision system with trailer camera provisions and hitch guidance gives you complete visibility when maneuvering. OnStar services and an emergency communication system provide additional peace of mind on the road.

Safety systems throughout this truck actively work to protect you and your passengers. Automatic emergency braking, forward pedestrian braking, and lane departure warning represent just the beginning. The safety alert seat provides tactile feedback during potential hazards, while comprehensive airbag coverage includes front dual stage, front side impact, and overhead protection. Electronic stability control and traction control work continuously to maintain vehicle dynamics.

The 2025 GMC Sierra 2500HD Denali Ultimate combines serious working capability with the refinement and technology you expect from the Denali nameplate. With premium appointments, advanced safety systems, and the infrastructure for significant towing and hauling, this truck stands ready for whatever demands you place on it. We invite you to visit the showroom and experience this truck firsthand.