Disclaimer:
The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.
1Dealer Discount applied to everyone
This 2025 GMC Sierra 3500HD Denali represents a commanding presence on the road, built to handle the most demanding work and lifestyle requirements. With its potent Duramax 6.6L V8 Turbodiesel engine delivering 470 horsepower and 975 lb-ft of torque, paired with a 10-speed automatic transmission and four-wheel drive, this truck is engineered for capability and control in any condition.
Consider what this Sierra 3500HD brings to your driveway:
- Duramax 6.6L V8 Turbodiesel engine with 470 hp and 975 lb-ft torque
- Power-retractable assist steps with LED perimeter lighting
- Gooseneck/5th wheel prep package with hitch platform and bed-mounted 7-pin trailer harness
- Technology package including rear camera mirror and 15-inch multicolor head-up display
- Bose premium 7-speaker sound system with SiriusXM 360L trial subscription
- Heated and ventilated leather front seats with 12-way power adjusters
- Power sunroof with power sliding rear window
- HD surround vision with multiple camera provisions for trailer monitoring
- Ultrasonic front and rear park assist with trailer side blind zone alert
- Wireless charging and wireless phone projection
- Signature chrome Denali grille with spray-on bedliner
- Remote vehicle starter system with keyless open and start
- Automatic emergency braking with forward collision alert
- 220-amp alternator with engine block heater
The cabin welcomes you with authentic Denali styling, featuring genuine wood dashboard and door panel inserts paired with premium perforated leather seating. The climate system maintains your comfort with automatic temperature control, front dual-zone air conditioning, and individual heated and ventilated seats. Whether you're towing or exploring, the multicolor head-up display keeps critical information in your line of sight, while the bed view camera with trailer provisions simplifies coupling and hitching tasks.
Technology integrates seamlessly throughout the truck. The GMC premium 13.4-inch information display pairs with steering wheel audio controls and Apple CarPlay compatibility. Multiple USB ports including charge-only rear ports and a wireless charging pad ensure your devices stay connected. The power sunroof adds an open-air dimension to your driving experience, complemented by power-retractable assist steps that illuminate the truck's entry points with LED lighting.
Safety features work proactively to protect you and your passengers. Automatic emergency braking, lane departure warning, rear cross traffic alert, and ultrasonic parking assistance provide multiple layers of awareness. The safety alert seat gives haptic feedback during critical moments, while the auto-dimming rearview mirror with integrated camera helps you maintain situational awareness.
With only 8,282 miles on the odometer, this Sierra 3500HD Denali stands as a nearly new option for those seeking fresh factory conditions without compromise. The 4WD system commands confidence in challenging terrain, while the gooseneck and fifth-wheel prep package opens possibilities for recreational or commercial towing applications.
At Octane GMC we look forward to helping you revolutionize your entire car-shopping experience. Let our team of automotive experts answer all your questions and work with you toward getting the vehicle and the finance plan of your dreams.
