1984 Pontiac Firebird vs 1984 Pontiac Grand Prix
| EPA figure | 1984 Pontiac Firebird | 1984 Pontiac Grand Prix |
|---|---|---|
| Model year | 1984 | 1984 |
| Body · drive | Subcompact · Gas | Midsize · Diesel |
| Combined MPG | 17 | 21 |
| City / highway MPG | 15 / 21 | 18 / 25 |
| Fuel a year | $3,950 | $4,550 |
| Tailpipe CO₂ (g/mi) | 523 | 485 |
| Engine | 5.0 L 8-cyl | 5.7 L 8-cyl |
| Transmission | Automatic 4-spd | Automatic 3-spd |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.