(866) 331-0908(866) 331-0908 Visit eBay Store Full size photos Full size photos 2020 GMC Sierra 2500HD AT4 Dark Sky Metallic Duramax 6.6L Turbo-Diesel V8 B20-Di Stock #: 135387 Exterior Color: Dark Sky Metallic Interior Color: Jet Black with Kalahari Accents Body Type: Pickup Truck Transmission: Automatic Drivetrain: Four Wheel Drive Engine: Duramax 6.6L Turbo...