- Gas
- Small cars
- MY2005–2010
Pontiac G6 MPG & Fuel Cost by Year
6 model years · 2005–2010
15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026)
Pontiac G6 fuel economy at a glance
EPA has rated the Pontiac G6 for 6 model years, 2005 to 2010. Across those years its combined rating runs 18–26 MPG. The latest model year, 2010, has 8 configurations rated 18–26 MPG combined and costing $2,510–$3,630 a year to fuel at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2005 is the 2010 G6 2.4L 4-cyl FWD, at 26 MPG.
Pontiac G6 MPG by year
| Year | Gas (MPG) | $/yr |
|---|---|---|
| 2005-2010 (2005) Generation page | ||
| 2010 | 18–26 | $2,510–$3,630 |
| 2009 | 18–26 | $2,510–$3,630 |
| 2008 | 18–25 | $2,610–$3,630 |
| 2007 | 18–24 | $2,720–$3,630 |
| 2006 | 19–24 | $2,720–$3,440 |
| 2005 | 21–23 | $2,840–$3,110 |
Costs use the current EIA price set and 15,000 miles a year for every year, so years are comparable. Green marks the best year for each powertrain.
Pontiac G6 generations
1 generations between 2005 and 2010. Open one for the table of every model year and configuration.
2010 powertrain options
More Pontiac models
Frequently asked questions
What is the Pontiac G6's gas mileage by year?
EPA combined ratings for the Pontiac G6 run 18–26 MPG across model years 2005 to 2010. The latest year, 2010, is rated 18–26 MPG.
Which Pontiac G6 model year has the best gas mileage?
The 2010 Pontiac G6 G6 2.4L 4-cyl FWD has the highest combined rating since 2005, at 26 MPG.
How much does a Pontiac G6 cost to fuel per year?
For MY2010, EPA-rated configurations cost $2,510–$3,630 a year to fuel, driving 15,000 miles at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient one costs $2,510.
Has the Pontiac G6's fuel economy improved over time?
Yes. The most efficient configuration moved from 23 MPG in 2005 to 26 MPG in 2010, 3 MPG more.