GMC Sierra دينالي 2016 Used Automatic Gasoline mileage: 277 KM 4WD GMC Double Cabin Denali 2016. I am the second owner. I fixed the valves before, and a month ago I cleaned the injectors and installed new rubber seals for them. There are scratches on the bumpers, and an iron front bumper has been installed. The plastic bed liner has scratches and rust. I had a Denali bed liner installed. Full specifications: dual-zone automatic climate control, cruise control with steering wheel controls for acceleration and deceleration, front screen with navigation, electric running boards, sunroof.