- Gas
- Small cars
- MY2007–2010
Pontiac G5 MPG & Fuel Cost by Year
4 model years · 2007–2010
15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026)
Pontiac G5 fuel economy at a glance
EPA has rated the Pontiac G5 for 4 model years, 2007 to 2010. Across those years its combined rating runs 24–30 MPG. The latest model year, 2010, has 5 configurations rated 26–30 MPG combined and costing $2,180–$2,510 a year to fuel at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2007 is the 2010 XFE 2.2L 4-cyl FWD, at 30 MPG.
Pontiac G5 MPG by year
| Year | Gas (MPG) | $/yr |
|---|---|---|
| 2007-2010 Generation page | ||
| 2010 | 26–30 | $2,180–$2,510 |
| 2009 | 26–30 | $2,180–$2,510 |
| 2008 | 25–29 | $2,250–$3,210 |
| 2007 | 24–25 | $2,610–$3,350 |
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 G5 generations
1 generations between 2007 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 G5's gas mileage by year?
EPA combined ratings for the Pontiac G5 run 24–30 MPG across model years 2007 to 2010. The latest year, 2010, is rated 26–30 MPG.
Which Pontiac G5 model year has the best gas mileage?
The 2010 Pontiac G5 XFE 2.2L 4-cyl FWD has the highest combined rating since 2007, at 30 MPG.
How much does a Pontiac G5 cost to fuel per year?
For MY2010, EPA-rated configurations cost $2,180–$2,510 a year to fuel, driving 15,000 miles at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient one costs $2,180.
Has the Pontiac G5's fuel economy improved over time?
Yes. The most efficient configuration moved from 25 MPG in 2007 to 30 MPG in 2010, 5 MPG more.
Which Pontiac G5 model years have the same ratings?
EPA lists identical ratings as the previous year for 2010. The generation pages mark those years "same EPA ratings" and point to the year that holds the full table.