Ford Flex 2014 Used Automatic Gasoline mileage: 312 KM or more Used Ford Flex 2014 for sale Automatic transmission Gasoline Mileage: 312 Used Ford Flex 2014 for sale Automatic transmission Gasoline Mileage: 300 Ford Flex for sale 2014 6 cylinder, mileage 312 thousand. There is a dent in the rear right fender, a collision in the right rear door, not repaired. Inspection expired, registration expired.