This 2020 GMC Sierra 3500HD Crew Cab is a dually 4×4 that was ordered with a Duramax 6.6-liter turbodiesel V8 and the Denali Ultimate trim package, which featured an HD surround-view camera system, a multicolor head-up display, a bed-view camera, a rearview-camera mirror, and a sunroof. Other details include 17″ alloy wheels, heated and ventilated front seats, heated rear seats, a heated steering wheel, an 8″ touchscreen, and a Bose sound system. This Sierra 3500HD is offered in California with a window sticker, owner’s manuals, service records, and a clean Arizona title in the seller’s name. The transmission fluid and filter were changed in 2025, and the software for the transmission control module was updated under recall. The window sticker lists factory colors, equipment, and a Total Vehicle Price of $81,715.