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2010 Mercury Mariner fuel economy

The EPA lists 4 versions of the 2010 Mercury Mariner. Combined fuel economy ranges from 20 to 23 MPG; the most efficient version is rated 21 city / 28 highway.

At a glance

Combined
20 to 23 MPG depending on version
City and highway
21 and 28 most efficient version
Yearly fuel cost
$2,900 EPA estimate, most efficient version

Source: U.S. EPA fueleconomy.gov

Every version the EPA tested

VersionEngineDriveCityHighwayCombinedYearly fuel cost
Mariner FWD
Automatic 6-spd
4-cyl 2.5L Front-Wheel Drive 212823 MPG $2,900
Mariner 4WD
Automatic 6-spd
4-cyl 2.5L 4-Wheel Drive 202622 MPG $3,050
Mariner FWD FFV
Automatic 6-spd
6-cyl 3.0L FFV Front-Wheel Drive 192521 MPG $3,200
Mariner 4WD FFV
Automatic 6-spd
6-cyl 3.0L FFV 4-Wheel Drive 182320 MPG $3,350
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 $2,900 per year in fuel, versus $3,350 for the least efficient.

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

Fuel economy in other model years