2008 Pontiac G6
25MPG
Combined
5
Trims
Updated February 27, 2026
The 2008 Pontiac G6 is a Compact Sedan that delivers 18–25 combined MPG depending on trim. Here’s everything you need to know about this vehicle, from fuel economy to safety ratings.
2008 Pontiac G6 Specifications
| Spec | Value |
|---|---|
| Combined MPG | 18–25 combined MPG depending on trim |
| City MPG | 22 |
| Highway MPG | 30 |
| Body Style | Compact Sedan |
| Fuel Type | Regular |
| Drive | FWD |
| Available Trims | 5 |
Available Trims
| Trim | MPG (City/Hwy/Combined) | Engine | Transmission |
|---|---|---|---|
| Auto | 22/30/25 | 2.4L 4cyl | Automatic 4-spd |
| Auto | 18/29/22 | 3.5L 6cyl | Automatic 4-spd |
| 6 cyl | 17/26/20 | 3.5L 6cyl | Automatic (S4) |
| 6 cyl | 17/26/20 | 3.6L 6cyl | Automatic (S6) |
| 6 cyl | 15/22/18 | 3.9L 6cyl | Automatic (S4) |
Annual Fuel Cost
Based on EPA estimates, the 2008 Pontiac G6 costs approximately $2,120 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.
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