2004 Pontiac Bonneville vs 2004 Pontiac Grand Prix
| EPA figure | 2004 Pontiac Bonneville | 2004 Pontiac Grand Prix |
|---|---|---|
| Model year | 2004 | 2004 |
| Body · drive | Large · Front-Wheel Drive · Gas | Midsize · Front-Wheel Drive · Gas |
| Combined MPG | 20 | 19 |
| City / highway MPG | 16 / 26 | 16 / 25 |
| Fuel a year | $4,100 | $4,350 |
| Tailpipe CO₂ (g/mi) | 444 | 468 |
| Engine | 3.8 L 6-cyl supercharged | 3.8 L 6-cyl supercharged |
| Transmission | Automatic 4-spd | Automatic 4-spd |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.