1984 Pontiac Bonneville vs 1984 Pontiac Firebird
| EPA figure | 1984 Pontiac Bonneville | 1984 Pontiac Firebird |
|---|---|---|
| Model year | 1984 | 1984 |
| Body · drive | Midsize · Gas | Subcompact · Gas |
| Combined MPG | 17 | 22 |
| City / highway MPG | 15 / 21 | 19 / 27 |
| Fuel a year | $3,950 | $3,050 |
| Tailpipe CO₂ (g/mi) | 523 | 404 |
| Engine | 5.0 L 8-cyl | 2.5 L 4-cyl |
| 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.