Ford Flex FWD
19 MPG The 2019 Ford Flex FWD is EPA-rated at 19 MPG combined (16 city / 23 highway). Over 15,000 miles a year that is about 789 gallons, $2526 a year in fuel, or $0.168 per mile at $3.20/gal.
Across its full 2009–2019 run it averages 19.4 MPG, essentially flat across 11 model years.
Running cost at different fuel prices and mileages
The figure everyone actually wants, and the one the EPA does not publish — because it depends on a fuel price no agency will commit to.
| Fuel price | Per mile | 10,000 mi/yr | 15,000 mi/yr | 20,000 mi/yr |
|---|---|---|---|---|
| $2.50/gal | $0.132 | $1316 | $1974 | $2632 |
| $3.00/gal | $0.158 | $1579 | $2368 | $3158 |
| $3.20/gal | $0.168 | $1684 | $2526 | $3368 |
| $3.50/gal | $0.184 | $1842 | $2763 | $3684 |
| $4.00/gal | $0.211 | $2105 | $3158 | $4211 |
| $4.50/gal | $0.237 | $2368 | $3553 | $4737 |
| $5.00/gal | $0.263 | $2632 | $3947 | $5263 |
Every model year
| Year | Combined | City | Highway | EPA fuel cost/yr | CO₂ g/mi | Trims |
|---|---|---|---|---|---|---|
| 2019 | 19 MPG | 16 | 23 | $3300 | 468 | 1 |
| 2018 | 19 MPG | 16 | 23 | $3300 | 468 | 1 |
| 2017 | 19 MPG | 16 | 23 | $3300 | 468 | 1 |
| 2016 | 19 MPG | 16 | 23 | $3300 | 481 | 1 |
| 2015 | 20 MPG | 18 | 25 | $3100 | 438 | 1 |
| 2014 | 20 MPG | 18 | 25 | $3100 | 437 | 1 |
| 2013 | 20 MPG | 18 | 25 | $3100 | 437 | 1 |
| 2012 | 19 MPG | 17 | 24 | $3300 | 468 | 1 |
| 2011 | 19 MPG | 17 | 24 | $3300 | 468 | 1 |
| 2010 | 20 MPG | 17 | 24 | $3100 | 444 | 1 |
| 2009 | 19 MPG | 17 | 24 | $3300 | 468 | 1 |
Where a model year offered several engines or drivetrains, the figure is the average across all EPA-tested trims that year — the trim count is shown so you can see how much averaging is involved.
How it compares in its class
Among the 29 standard sport utility vehicle 2wd models tracked here, the Ford Flex FWD ranks 16 on current figures, against a class average of 19.9 MPG.
Closest more-efficient alternatives in the same class: Chevrolet Tahoe 2WD (19.3), BMW X6 sDrive35i (20), Dodge Durango RWD (20), Ford Explorer 2WD FFV (20), BMW X5 sDrive35i (21).
Tailpipe CO₂ is rated at 468 grams per mile, which works out to roughly 7.0 tonnes a year at 15,000 miles.
Questions
What MPG does the Ford Flex FWD get?
The 2019 Ford Flex FWD is rated at 19 MPG combined by the EPA — 16 city and 23 highway. Across all 11 model years in the database it averages 19.4 MPG, ranging from 19 to 20 depending on year and trim.
How much does a Ford Flex FWD cost in fuel per year?
At 19 MPG and 15,000 miles a year, it burns about 789 gallons — roughly $2526 a year with fuel at $3.20 a gallon, or $0.168 per mile. The EPA's own published annual figure for the 2019 model is $3300.
Has the Ford Flex FWD become more efficient over time?
Barely. It sits at 19 MPG today against 19 in 2009 — essentially flat across 11 model years, with efficiency gains offset by weight and power creep.
Is the Ford Flex FWD efficient for its class?
It ranks 16 of 29 in the Standard Sport Utility Vehicle 2WD class on current figures, against a class average of 19.9 MPG. That is 0.9 worse than typical for the class.
EPA test figures from fueleconomy.gov. Cost per mile and annual fuel spend are computed at a reference price of $3.20 per gallon — use your own price. Estimates based on official test figures and average fuel prices. Real-world consumption varies with driving style, load, terrain and maintenance.