1991 Pontiac Firebird/Trans Am vs 1991 Pontiac Grand Am
| EPA figure | 1991 Pontiac Firebird/Trans Am | 1991 Pontiac Grand Am |
|---|---|---|
| Model year | 1991 | 1991 |
| Body · drive | Subcompact · Rear-Wheel Drive · Gas | Compact · Front-Wheel Drive · Gas |
| Combined MPG | 18 | 24 |
| City / highway MPG | 15 / 24 | 21 / 30 |
| Fuel a year | $4,550 | $2,800 |
| Tailpipe CO₂ (g/mi) | 494 | 370 |
| Engine | 5.0 L 8-cyl | 2.3 L 4-cyl |
| Transmission | Manual 5-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.