Ford Flex MPG by Year & Engine (EPA)

EPA fuel-economy ratings for every rated Ford Flex model year from 2009 to 2019 — each engine and transmission with its official city, highway and combined figures. Over these years the Flex has been offered with 3.5L 6-cyl engines; the most efficient version is the 2015 (up to 20 MPG combined). All rated gas versions run on regular gasoline. Data: U.S. Department of Energy & EPA, fueleconomy.gov; prices are live medians from VehiSales listings.

Ford Flex fuel economy by year

YearCombinedEnginesMedian used priceFor sale
2019 17–19 MPG 3.5L 6-cyl $16,855 284 listings
2018 17–19 MPG 3.5L 6-cyl $13,048 134 listings
2017 17–19 MPG 3.5L 6-cyl $12,549 92 listings
2016 17–19 MPG 3.5L 6-cyl $10,887 121 listings
2015 18–20 MPG 3.5L 6-cyl $9,995 89 listings
2014 18–20 MPG 3.5L 6-cyl
2013 18–20 MPG 3.5L 6-cyl
2012 18–19 MPG 3.5L 6-cyl
2011 18–19 MPG 3.5L 6-cyl
2010 18–20 MPG 3.5L 6-cyl
2009 18–19 MPG 3.5L 6-cyl

2019 Ford Flex: engines & MPG

The 2019 Flex was EPA-rated in 3 versions (3.5L 6-cyl), with combined economy from 17 to 19 MPG. Used 2019 models currently list for a median of $16,855 on VehiSales (284 for sale).

VersionEngineTransmissionFuelCityHwyCombined
Flex FWD 3.5L 6-cyl Automatic (S6) Regular 16 23 19 MPG
Flex AWD 3.5L 6-cyl Automatic (S6) Regular 16 22 18 MPG
Flex AWD 3.5L 6-cyl Automatic (S6) Regular 15 21 17 MPG

2018 Ford Flex: engines & MPG

The 2018 Flex was EPA-rated in 3 versions (3.5L 6-cyl), with combined economy from 17 to 19 MPG. Used 2018 models currently list for a median of $13,048 on VehiSales (134 for sale).

VersionEngineTransmissionFuelCityHwyCombined
Flex FWD 3.5L 6-cyl Automatic (S6) Regular 16 23 19 MPG
Flex AWD 3.5L 6-cyl Automatic (S6) Regular 16 22 18 MPG
Flex AWD 3.5L 6-cyl Automatic (S6) Regular 15 21 17 MPG

2017 Ford Flex: engines & MPG

The 2017 Flex was EPA-rated in 3 versions (3.5L 6-cyl), with combined economy from 17 to 19 MPG. Used 2017 models currently list for a median of $12,549 on VehiSales (92 for sale).

VersionEngineTransmissionFuelCityHwyCombined
Flex FWD 3.5L 6-cyl Automatic (S6) Regular 16 23 19 MPG
Flex AWD 3.5L 6-cyl Automatic (S6) Regular 16 22 18 MPG
Flex AWD 3.5L 6-cyl Automatic (S6) Regular 15 21 17 MPG

2016 Ford Flex: engines & MPG

The 2016 Flex was EPA-rated in 3 versions (3.5L 6-cyl), with combined economy from 17 to 19 MPG. Used 2016 models currently list for a median of $10,887 on VehiSales (121 for sale).

VersionEngineTransmissionFuelCityHwyCombined
Flex FWD 3.5L 6-cyl Automatic (S6) Regular 16 23 19 MPG
Flex AWD 3.5L 6-cyl Automatic (S6) Regular 16 22 18 MPG
Flex AWD 3.5L 6-cyl Automatic (S6) Regular 15 21 17 MPG

2015 Ford Flex: engines & MPG

The 2015 Flex was EPA-rated in 3 versions (3.5L 6-cyl), with combined economy from 18 to 20 MPG. Used 2015 models currently list for a median of $9,995 on VehiSales (89 for sale).

VersionEngineTransmissionFuelCityHwyCombined
Flex FWD 3.5L 6-cyl Automatic (S6) Regular 18 25 20 MPG
Flex AWD 3.5L 6-cyl Automatic (S6) Regular 17 23 19 MPG
Flex AWD 3.5L 6-cyl Automatic (S6) Regular 16 22 18 MPG

2014 Ford Flex: engines & MPG

The 2014 Flex was EPA-rated in 3 versions (3.5L 6-cyl), with combined economy from 18 to 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Flex FWD 3.5L 6-cyl Automatic (S6) Regular 18 25 20 MPG
Flex AWD 3.5L 6-cyl Automatic (S6) Regular 17 23 19 MPG
Flex AWD 3.5L 6-cyl Automatic (S6) Regular 16 23 18 MPG

2013 Ford Flex: engines & MPG

The 2013 Flex was EPA-rated in 3 versions (3.5L 6-cyl), with combined economy from 18 to 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Flex FWD 3.5L 6-cyl Automatic (S6) Regular 18 25 20 MPG
Flex AWD 3.5L 6-cyl Automatic (S6) Regular 17 23 19 MPG
Flex AWD 3.5L 6-cyl Automatic (S6) Regular 16 22 18 MPG

2012 Ford Flex: engines & MPG

The 2012 Flex was EPA-rated in 3 versions (3.5L 6-cyl), with combined economy from 18 to 19 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Flex FWD 3.5L 6-cyl Automatic 6-spd Regular 17 24 19 MPG
Flex AWD 3.5L 6-cyl Automatic 6-spd Regular 16 23 18 MPG
Flex AWD 3.5L 6-cyl Automatic (S6) Regular 16 22 18 MPG

2011 Ford Flex: engines & MPG

The 2011 Flex was EPA-rated in 3 versions (3.5L 6-cyl), with combined economy from 18 to 19 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Flex FWD 3.5L 6-cyl Automatic 6-spd Regular 17 24 19 MPG
Flex AWD 3.5L 6-cyl Automatic (S6) Regular 16 21 18 MPG
Flex AWD 3.5L 6-cyl Automatic 6-spd Regular 16 22 18 MPG

2010 Ford Flex: engines & MPG

The 2010 Flex was EPA-rated in 3 versions (3.5L 6-cyl), with combined economy from 18 to 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Flex FWD 3.5L 6-cyl Automatic 6-spd Regular 17 24 20 MPG
Flex AWD 3.5L 6-cyl Automatic 6-spd Regular 16 22 18 MPG
Flex AWD 3.5L 6-cyl Automatic (S6) Regular 16 22 18 MPG

2009 Ford Flex: engines & MPG

The 2009 Flex was EPA-rated in 2 versions (3.5L 6-cyl), with combined economy from 18 to 19 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Flex FWD 3.5L 6-cyl Automatic 6-spd Regular 17 24 19 MPG
Flex AWD 3.5L 6-cyl Automatic 6-spd Regular 16 22 18 MPG

Frequently asked questions

What MPG does a Ford Flex get?

Depending on year and engine, EPA combined ratings for the Flex range from 19 to 20 MPG. The most efficient rated version is the 2015 model year.

What engines does the 2019 Ford Flex have?

The 2019 Flex was EPA-rated with 3.5L 6-cyl engines — see the 2019 table above for each version's exact city/highway figures.

Does the Ford Flex require premium gas?

No — rated versions run on regular gasoline.

About this data: EPA ratings from the official U.S. DOE/EPA dataset (fueleconomy.gov), as of July 2026; refreshed monthly. Market prices and listing counts are live medians from VehiSales inventory, updated daily. How to cite: “VehiSales Research, Ford Flex EPA Fuel Economy by Model Year” with a link to https://vehisales.com/research/fuel-economy/ford/flex.

See also: Ford Flex hub — live listings, prices & reliability · Most fuel-efficient cars by segment · Model price trends. Media inquiries: [email protected].

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