2014 Chevrolet 3500 4x4 Crew Cab Duramax Diesel240,000 miles mostly highwayOne Owner - Oil changes every 5,000 miles.Used fuel additive for the life of the truck.Cloth seatsRemote entryElectric windowsSteering controlsAMFM radio with CD playerCruse controllerRemote mirror adjustmentIntegrated brake controllerMaintenance schedule, 5k oil change, 10k fuel filterIn bed trailer wiring connectorGooseneck hitch