Vehicle Data Hub

2008 Pontiac G6 fuel economy

The EPA lists 5 versions of the 2008 Pontiac G6. Combined fuel economy ranges from 18 to 25 MPG; the most efficient version is rated 22 city / 30 highway.

At a glance

Combined
18 to 25 MPG depending on version
City and highway
22 and 30 most efficient version
Yearly fuel cost
$2,700 EPA estimate, most efficient version

Source: U.S. EPA fueleconomy.gov

Every version the EPA tested

VersionEngineDriveCityHighwayCombinedYearly fuel cost
G6
Automatic 4-spd
4-cyl 2.4L Front-Wheel Drive 223025 MPG $2,700
G6
Automatic 4-spd
6-cyl 3.5L Front-Wheel Drive 182922 MPG $3,050
G6
Automatic (S4)
6-cyl 3.5L Front-Wheel Drive 172620 MPG $3,350
G6
Automatic (S6)
6-cyl 3.6L Front-Wheel Drive 172620 MPG $3,350
G6
Automatic (S4)
6-cyl 3.9L Front-Wheel Drive 152218 MPG $3,700
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 $2,700 per year in fuel, versus $3,700 for the least efficient.

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

Fuel economy in other model years