Ford Grand Marquis 2006 Automatic Gasoline mileage: 300 KM or more 2006 Grand Marquis Mileage 383 Cosmetic spray due to minor dents and fading for inspection. The car now needs a differential change, and the differential is still usable, not completely broken. The car is reliable, it won't say no, go near and far. For sale to the highest bidder. Offers below 15 will not be considered. If it doesn't reach its price, it will be kept.