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This 2025 GMC Sierra 2500HD Denali represents serious capability paired with refined comfort, delivering a truck built to handle demanding work while providing the premium experience you expect from the Denali lineup.
- Duramax 6.6L V8 Turbodiesel with 470 hp and 975 lb-ft of torque
- 10-Speed Automatic transmission with 4WD
- Denali Reserve Package with Technology Package and power sunroof
- Gooseneck/5th Wheel Prep Package for towing versatility
- Premium Bose 7-speaker sound system with SiriusXM 360L
- 12-Way power driver and passenger seats with lumbar support and heating/ventilation
- Forge perforated leather-appointed front seats
- Multicolor 15-inch head-up display
- HD Surround Vision with bed view camera and trailer camera provisions
- Wireless charging and wireless phone projection
- Power-retractable assist steps with LED perimeter lighting
- Spray-on pickup bedliner with GMC logo
- Signature chrome Denali grille with winter cover
- 20-inch ultra bright machined alloy wheels
- Off-Road Suspension with 2-speed active transfer case
The diesel engine delivers the torque you need for hauling and towing, while the advanced transmission ensures smooth power delivery in all conditions. The Sierra's interior combines luxury with functionality heated and ventilated leather seats, a premium sound system, and intuitive technology keep you comfortable on long drives or job sites. The gooseneck and fifth wheel prep package provides the infrastructure for serious towing applications, and the off-road suspension with hill descent control expands your capability beyond paved surfaces.
Safety features include automatic emergency braking, lane departure warning, rear cross traffic alert, trailer side blind zone alert, and ultrasonic front and rear park assist. The OnStar emergency communication system and surround vision camera technology keep you protected and aware of your surroundings. Advanced driver assistance systems work together to help prevent accidents before they happen.
This Sierra comes with GMC CarBravo Certification, a 12-month/12,000-mile bumper-to-bumper warranty, 24-hour roadside assistance, and a comprehensive 126-point inspection. Your warranty deductible is $0, and all repairs include parts, labor, and towing to the nearest CarBravo dealership if necessary. Should your vehicle need service, we'll provide alternative transportation. As a CarBravo vehicle purchaser, you can earn GM Rewards points redeemable toward GM Certified Service and eligible accessories. You'll also receive a 1-month trial of OnStar safety services including Automatic Crash Response and Roadside Assistance, plus 165+ satellite radio channels with access to 350+ additional channels through the SiriusXM app.
The truck offers practical conveniences throughout power windows and doors, remote keyless entry, remote vehicle starter system, and multiple USB charging ports keep your devices powered and accessible. The bed-mounted 120-volt power outlet and instrument panel outlet provide flexibility for your tools and equipment. Premium floor liners protect the cabin from dirt and debris.
This is a truck ready to work hard and treat you well doing it. Visit our showroom to see the 2025 Sierra 2500HD Denali in person and experience the combination of diesel power, premium comfort, and advanced capability.
