1984 Pontiac Firebird/Trans Am/Formula
14 configurations — EPA fuel economy ratings
| Trim / Variant | City MPG | Hwy MPG | Combined MPG | Fuel | Drive | Engine | Transmission |
|---|---|---|---|---|---|---|---|
| Firebird | 15 | 21 | 17 | Regular Gasoline | — | 5L 8-cyl | Automatic 4-spd |
| Firebird | 16 | 22 | 18 | Regular Gasoline | — | 2.8L 6-cyl | Manual 5-spd |
| Firebird | 16 | 24 | 19 | Regular Gasoline | — | 2.8L 6-cyl | Automatic 4-spd |
| Firebird | 19 | 25 | 21 | Regular Gasoline | — | 2.5L 4-cyl | Manual 4-spd |
| Firebird | 15 | 21 | 17 | Regular Gasoline | — | 5L 8-cyl | Automatic 4-spd |
| Firebird | 20 | 29 | 23 | Regular Gasoline | — | 2.5L 4-cyl | Manual 5-spd |
| Firebird | 19 | 25 | 21 | Regular Gasoline | — | 2.5L 4-cyl | Manual 4-spd |
| Firebird | 19 | 27 | 22 | Regular Gasoline | — | 2.5L 4-cyl | Automatic 4-spd |
| Firebird | 13 | 20 | 15 | Regular Gasoline | — | 5L 8-cyl | Manual 5-spd |
| Firebird | 19 | 27 | 22 | Regular Gasoline | — | 2.5L 4-cyl | Automatic 4-spd |
| Firebird | 16 | 22 | 18 | Regular Gasoline | — | 2.8L 6-cyl | Manual 5-spd |
| Firebird | 16 | 24 | 19 | Regular Gasoline | — | 2.8L 6-cyl | Automatic 4-spd |
| Firebird | 20 | 29 | 23 | Regular Gasoline | — | 2.5L 4-cyl | Manual 5-spd |
| Firebird | 13 | 20 | 15 | Regular Gasoline | — | 5L 8-cyl | Manual 5-spd |