Ford Flex MPG & Fuel Economy

The 2019 Ford Flex gets up to 20 MPG combined (18 city / 25 highway) in EPA testing.

Latest model year (2019):

The Ford Flex gets up to 19 MPG combined (16 city / 23 highway) in the Auto (S6), 6 cyl, 3.5 L trim.

Verifiedfueleconomy.gov · Verified August 11, 2026

Ford Flex MPG — All Years

YearTrimEngineFuelCity (MPG)Hwy (MPG)Combined (MPG)
2019Auto (S6), 6 cyl, 3.5 L6 3.5LRegular Gasoline162319
2019Auto (S6), 6 cyl, 3.5 L6 3.5LRegular Gasoline162218
2019Auto (S6), 6 cyl, 3.5 L6 3.5LRegular Gasoline152117
2018Auto (S6), 6 cyl, 3.5 L6 3.5LRegular Gasoline162319
2018Auto (S6), 6 cyl, 3.5 L6 3.5LRegular Gasoline162218
2018Auto (S6), 6 cyl, 3.5 L6 3.5LRegular Gasoline152117
2017Auto (S6), 6 cyl, 3.5 L6 3.5LRegular Gasoline162319
2017Auto (S6), 6 cyl, 3.5 L6 3.5LRegular Gasoline162218
2017Auto (S6), 6 cyl, 3.5 L6 3.5LRegular Gasoline152117
2016Auto (S6), 6 cyl, 3.5 L6 3.5LRegular Gasoline162319
2016Auto (S6), 6 cyl, 3.5 L6 3.5LRegular Gasoline162218
2016Auto (S6), 6 cyl, 3.5 L6 3.5LRegular Gasoline152117
2015Auto (S6), 6 cyl, 3.5 L6 3.5LRegular Gasoline182520
2015Auto (S6), 6 cyl, 3.5 L6 3.5LRegular Gasoline172319
2015Auto (S6), 6 cyl, 3.5 L6 3.5LRegular Gasoline162218

Data sourced from fueleconomy.gov (U.S. Department of Energy). MPG figures are EPA-tested. Fuel costs are estimates based on average fuel prices and 15,000 miles/year.

Ford Flex MPG FAQ

What is the MPG of the Ford Flex?

The Ford Flex gets up to 20 MPG combined (18 city / 25 highway) in the 2019 model year. Fuel economy varies by engine and trim — see the full table above for details.

Which Ford Flex trim has the best fuel economy?

The Auto (S6), 6 cyl, 3.5 L trim offers the best combined fuel economy at 20 MPG. Smaller engines and front-wheel-drive configurations typically achieve the highest MPG.

Browse other makes