Ford Grand Marquis 2010 Automatic Gasoline mileage: 300 KM or more 1. All details added here. 2. The price is little negotiable. 3. Just come to see if you like the car or not, 4. Come to test drive car if you like buy the car 5. please, please, please I dont like arguments. this is a old car, youre not buying new car remember that. 6. for your convenience and money save i have Mojaz report.