2008 Used Automatic Gasoline mileage: 600 KM or more In the name of God, what God has willed. Remember God. Grand Marquis 2008 American for sale, single exhaust Gs. Mileage 600 thousand. Body, suspension, engine, gearbox - I don't know anything about them. I bought the car without inspection, and God is my witness. Whoever wants to buy should inspect it.