GMC Sierra SLE 2020 Used Automatic Gasoline mileage: 76 KM 4WD Sierra model 2020 Mileage 76 thousand Standard specifications are known: connected seats, low mileage Additions to the car about a year ago: 1- Profender 2.5 inch control arms and shocks from 4x4 2- Full cabin insulation from Silent Speed 6mm, sound and heat insulation Details -