1999 Pontiac Firebird/Trans Am vs 1999 Pontiac Grand Am
| EPA figure | 1999 Pontiac Firebird/Trans Am | 1999 Pontiac Grand Am |
|---|---|---|
| Model year | 1999 | 1999 |
| Body · drive | Subcompact · Rear-Wheel Drive · Gas | Compact · Front-Wheel Drive · Gas |
| Combined MPG | 21 | 20 |
| City / highway MPG | 17 / 28 | 18 / 26 |
| Fuel a year | $3,200 | $3,350 |
| Tailpipe CO₂ (g/mi) | 423 | 444 |
| Engine | 3.8 L 6-cyl | 3.4 L 6-cyl |
| Transmission | Manual 5-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.