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2018 BMW X4 fuel economy

The EPA lists 2 versions of the 2018 BMW X4. Combined fuel economy ranges from 21 to 23 MPG; the most efficient version is rated 20 city / 28 highway.

At a glance

Combined
21 to 23 MPG depending on version
City and highway
20 and 28 most efficient version
Yearly fuel cost
$3,550 EPA estimate, most efficient version

Source: U.S. EPA fueleconomy.gov

Every version the EPA tested

VersionEngineDriveCityHighwayCombinedYearly fuel cost
X4 xDrive28i
Automatic (S8)
4-cyl 2.0L All-Wheel Drive 202823 MPG $3,550
X4 M40i
Automatic (S8)
6-cyl 3.0L All-Wheel Drive 182521 MPG $3,900
EPA estimates under standard test conditions. Your mileage will vary with driving style, load and weather.

At EPA assumptions, the most efficient version costs about $3,550 per year in fuel, versus $3,900 for the least efficient.

Work out what this car would cost you in fuel each year

Fuel economy in other model years