2020 Gasoline mileage: 250 KM Hyundai Sonata 2020 Mileage: 250,000 Sonata 2020 for sale, mileage 250,000, negotiable, actual mileage. Original body except for the trunk door which has paint and the front of the hood has been modified. Engine is original except for the engine head gasket. Gearbox and chassis are guaranteed.