← all 1991 Pontiac Firebird/Trans Am trims
1991 Pontiac Firebird/Trans Am — 3.1L 6-cyl, 5-spd manual, RWD
This 1991 Pontiac Firebird/Trans Am (3.1L 6-cyl, 5-spd manual, RWD) takes regular (87-octane) gasoline. REGULAR
18
MPG combined (15 city / 24 hwy)
$3,450
est. fuel cost / year (EPA, 15k mi)
—
tailpipe CO₂
Other 1991 Pontiac Firebird/Trans Am trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 3.1L 6-cyl, Automatic 4-spd, RWD | REGULAR | 19 | $3,300 |
| 5.0L 8-cyl, Automatic 4-spd, RWD | REGULAR | 18 | $3,450 |
| 5.0L 8-cyl, 5-spd manual, RWD | REGULAR | 18 | $3,450 |
| 5.0L 8-cyl, Automatic 4-spd, RWD | PREMIUM | 18 | $4,300 |
| 5.0L 8-cyl, 5-spd manual, RWD | PREMIUM | 18 | $4,300 |
| 5.7L 8-cyl, Automatic 4-spd, RWD | PREMIUM | 17 | $4,550 |
EPA fuel type: Regular · class: Subcompact Cars · retrieved 2026-06-14.