2004 Pontiac Bonneville vs 2004 Pontiac Grand Am
| EPA figure | 2004 Pontiac Bonneville | 2004 Pontiac Grand Am |
|---|---|---|
| Model year | 2004 | 2004 |
| Body · drive | Large · Front-Wheel Drive · Gas | Compact · Front-Wheel Drive · Gas |
| Combined MPG | 21 | 27 |
| City / highway MPG | 18 / 27 | 23 / 33 |
| Fuel a year | $3,200 | $2,500 |
| Tailpipe CO₂ (g/mi) | 423 | 329 |
| Engine | 3.8 L 6-cyl | 2.2 L 4-cyl |
| Transmission | Automatic 4-spd | Manual 5-spd |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.