This 2020 GMC Sierra 3500HD Denali is a premium heavy-duty work truck that combines capability with luxury. With a Duramax 6.6L V8 Turbodiesel engine and 10-speed automatic transmission, this 4WD crew cab delivers the power and performance expected from the Sierra 3500HD line. The clean Carfax history and 80,872 miles reflect careful ownership of a truck built to work hard and last.- Gooseneck/5th Wheel Package with Heavy Duty Front Spring/Camper Package- Denali Ultimate Package with premium leather interior- Engine Block Heater and 220-Amp Alternator- Trailer Tire Pressure Monitor Sensors and ProGrade Trailering System- Premium GMC Infotainment System with Navigation and Apple CarPlay/Android Auto- Heated and Ventilated Leather Front Seats with 10-Way Power Adjusters- HD Rear Vision Camera with Surround Vision and 2 Trailer View Camera Provisions- SiriusXM with 360L and Bose Premium Audio System- Lane Departure Warning, Forward Collision Alert, and Rear Cross Traffic Alert- 20 Polished Aluminum WheelsInside, the Jet Black perforated leather-appointed front seat trim reflects the Denali's upscale appointments, while the bed-mounted 120-volt power outlet and spray-on bed liner keep your gear secure and powered. Advanced technology features like the multicolor 15 head-up display, wireless charging, and GMC Connected Services put control at your fingertips, whether you're managing a job site or towing a gooseneck trailer. Contact us today to take this capable truck for a test drive and discover why the Sierra 3500HD Denali stands out in its class.