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2008 Porsche Boxster S fuel economy

The EPA lists 2 versions of the 2008 Porsche Boxster S. Combined fuel economy ranges from 21 to 21 MPG; the most efficient version is rated 18 city / 25 highway.

At a glance

Combined
21 MPG
City and highway
18 and 25 most efficient version
Yearly fuel cost
$3,900 EPA estimate, most efficient version

Source: U.S. EPA fueleconomy.gov

Every version the EPA tested

VersionEngineDriveCityHighwayCombinedYearly fuel cost
Boxster S
Automatic 5-spd
6-cyl 3.4L Rear-Wheel Drive 182521 MPG $3,900
Boxster S
Manual 6-spd
6-cyl 3.4L Rear-Wheel Drive 182621 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 $3,900 per year in fuel.

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

Fuel economy in other model years