2009 Pontiac G8
20MPG
Combined
4
Trims
← 2008
2009
Updated February 27, 2026
Get the full picture on the 2009 Pontiac G8. As a Full-Size Sedan, it achieves 15–20 combined MPG depending on trim and has not yet been rated by NHTSA. Below you’ll find detailed specs for every trim, plus recall information and competitor comparisons.
2009 Pontiac G8 Specifications
| Spec | Value |
|---|---|
| Combined MPG | 15–20 combined MPG depending on trim |
| City MPG | 17 |
| Highway MPG | 25 |
| Body Style | Full-Size Sedan |
| Fuel Type | Regular |
| Drive | RWD |
| Available Trims | 4 |
Available Trims
| Trim | MPG (City/Hwy/Combined) | Engine | Transmission |
|---|---|---|---|
| 6 cyl | 17/25/20 | 3.6L 6cyl | Automatic (S5) |
| 8 cyl | 15/24/18 | 6.0L 8cyl | Automatic (S6) |
| 8 cyl | 13/20/15 | 6.2L 8cyl | Automatic (S6) |
| Man | 13/20/15 | 6.2L 8cyl | Manual 6-spd |
Annual Fuel Cost
Based on EPA estimates, the 2009 Pontiac G8 costs approximately $2,637 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.
Compare the 2009 Pontiac G8
See how it stacks up against similar vehicles:
Other Model Years
- 2009 (this page)
- 2008 Pontiac G8
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