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- Duramax 6.6L V8 Turbodiesel engine with 10-speed automatic transmission and 4WD
- Denali Ultimate Package with premium appointments and distinctive styling
- Heated and ventilated front bucket seats with 10-way power adjusters and lumbar support
- Premium GMC Infotainment System with Navigation and 7-speaker Bose audio
- Advanced safety suite including automatic emergency braking, lane departure warning, and rear cross traffic alert
- Multicolor 15" head-up display with navigation integration
- HD surround vision with trailer view camera provisions
- Integrated trailer brake controller and gooseneck/5th wheel prep package capability
- X31 Off-Road Package with hill descent control and 2-speed active transfer case
- Power sunroof and wireless charging for modern convenience
- Spray-on pickup box bed liner with Denali logo and LED cargo area lighting
- 120-volt bed-mounted and instrument panel power outlets
- Remote vehicle starter system with keyless open and start
- OnStar and GMC Connected Services with 4G LTE Wi-Fi hotspot capability
- Chrome recovery hooks and 6" rectangular chromed tubular assist steps
The truck's Duramax turbodiesel engine pairs with a 10-speed automatic transmission to deliver the towing and hauling capability you expect from a heavy-duty platform. The 4WD system combined with the X31 Off-Road Package, which includes hill descent control and a 2-speed active transfer case, ensures this truck handles challenging terrain and weather conditions with confidence. Whether navigating mountain passes or managing difficult job sites, the engineering foundation supports serious work demands.
Inside, the Denali trimming reflects GMC's commitment to upscale truck ownership. Heated and ventilated front bucket seats feature 10-way power adjustment with lumbar support, while the heated second row extends comfort to all passengers. The power sunroof and floor-mounted center console with genuine wood accents create an environment that rivals luxury sedans. Climate control with front dual-zone automatic temperature adjustment maintains comfort regardless of external conditions.
Technology integration throughout the cabin keeps you connected and informed. The premium GMC Infotainment System with navigation, SiriusXM satellite radio with 360L, and smartphone integration via Apple CarPlay and Android Auto ensure entertainment and navigation options. The multicolor 15-inch head-up display projects critical driving information directly into your line of sight, reducing distraction. Wireless charging and multiple 120-volt power outlets throughout the cabin support modern device needs.
Safety and awareness features position this truck as a responsible choice for drivers who prioritize protection. The HD surround vision system with trailer view camera provisions, bed view camera, and rear camera mirror provide comprehensive visibility. Automatic emergency braking, lane departure warning, lane change alert with side blind zone detection, and rear cross traffic alert create multiple layers of collision avoidance. The integrated trailer brake controller and hitch guidance system enhance confidence when towing.
This 2020 Sierra 2500HD Denali demonstrates careful ownership with 66,660 miles and presents an opportunity to acquire a well-equipped heavy-duty truck that balances capability, technology, and comfort. The combination of premium diesel power, comprehensive safety systems, and refined interior design makes this truck worthy of consideration for buyers who understand their needs and expect their vehicle to reflect those priorities. We invite yo
