2007 Pontiac G6 vs 2007 Pontiac G6 GT/GTP Convertible
| EPA figure | 2007 Pontiac G6 | 2007 Pontiac G6 GT/GTP Convertible |
|---|---|---|
| Model year | 2007 | 2007 |
| Body · drive | Compact · Front-Wheel Drive · Gas | Compact · Front-Wheel Drive · Gas |
| Combined MPG | 21 | 18 |
| City / highway MPG | 18 / 28 | 15 / 22 |
| Fuel a year | $3,200 | $3,700 |
| Tailpipe CO₂ (g/mi) | 423 | 494 |
| Engine | 3.5 L 6-cyl | 3.9 L 6-cyl |
| Transmission | Automatic 4-spd | Automatic (S4) |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.