Pontiac · 2008–2009 · Gas
Pontiac G8 MPG by year
The EPA has rated 2 model years of the Pontiac G8, from 2008 to 2009. The most fuel-efficient year is the 2009, at 20 MPG combined in its best configuration. The 2009 model is 5% more efficient than the median large car that year (20 vs. 19 MPG).
Combined MPG by model year
- G8, most efficient version
- Range across configurations
- Class median
Shaded band: range across that year's configurations. Class median: same-year models in the same class, rated in MPG. Click a point to open that model year; the table below lists every value.
Every G8 model year
| Year | Type | Best combined | City / Hwy | Class median | Range | Configs | Fuel / yr |
|---|---|---|---|---|---|---|---|
| 2009 | Gas | 20 MPG lowest 15 |
17 / 25 | 19 | — | 4 | $2,325 |
| 2008 | Gas | 20 MPG lowest 18 |
17 / 25 | 18 | — | 2 | $2,325 |
Fuel cost uses today's default prices for every year so model years compare like for like. Sort any column.
Compare G8 model years
See how much a newer G8 would save over an older one.
Models similar to the Pontiac G8
Frequently asked questions
Which Pontiac G8 year has the best fuel economy?
The 2008 Pontiac G8, rated up to 20 MPG combined. At 15,000 miles a year with $3.10/gal regular gas, that works out to about $2,325 a year.
What is the fuel economy of the latest Pontiac G8?
The 2009 Pontiac G8 is rated up to 20 MPG combined.