Mazda Mazda 6 2018 Automatic Gasoline mileage: 300 KM or more Peace, mercy, and blessings of God be upon you. For sale: Mazda 6 2018. Color: black. The car's engine has seized, but its components are still clean because I overhauled it from bumper to bumper 9 months ago. The reason for selling the car is the engine.