2005 Pontiac G6
23MPG
Combined
2
Trims
2005
2006 →
Updated February 27, 2026
Looking at the 2005 Pontiac G6? This Compact Sedan offers 21–23 combined MPG depending on trim and comes with 2 available configurations. We break down the specs, safety data, and how it compares to the competition.
2005 Pontiac G6 Specifications
| Spec | Value |
|---|---|
| Combined MPG | 21–23 combined MPG depending on trim |
| City MPG | 20 |
| Highway MPG | 29 |
| Body Style | Compact Sedan |
| Fuel Type | Regular |
| Drive | FWD |
| Available Trims | 2 |
Available Trims
| Trim | MPG (City/Hwy/Combined) | Engine | Transmission |
|---|---|---|---|
| Auto | 20/29/23 | 3.5L 6cyl | Automatic 4-spd |
| 6 cyl | 19/26/21 | 3.5L 6cyl | Automatic (S4) |
Annual Fuel Cost
Based on EPA estimates, the 2005 Pontiac G6 costs approximately $2,000 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.
Compare the 2005 Pontiac G6
See how it stacks up against similar vehicles:
Other Model Years
Check Vehicle History
Considering a used Pontiac G6? Get a comprehensive vehicle history report including accident records, ownership history, and more.
🔍 Check Pontiac G6 Vehicle History
Check VIN →
Check Vehicle History
Check VINGet the full story — accidents, ownership, recalls, odometer, and more. Decode any VIN instantly.