1986 Pontiac Firebird/Trans Am/Formula
6 configurations — EPA fuel economy ratings
| Trim / Variant | City MPG | Hwy MPG | Combined MPG | Fuel | Drive | Engine | Transmission |
|---|---|---|---|---|---|---|---|
| Firebird | 15 | 23 | 18 | Regular Gasoline | Rear-Wheel Drive | 5L 8-cyl | Automatic 4-spd |
| Firebird | 15 | 24 | 18 | Regular Gasoline | Rear-Wheel Drive | 5L 8-cyl | Manual 5-spd |
| Firebird | 21 | 29 | 24 | Regular Gasoline | Rear-Wheel Drive | 2.5L 4-cyl | Manual 5-spd |
| Firebird | 15 | 23 | 18 | Regular Gasoline | Rear-Wheel Drive | 5L 8-cyl | Automatic 4-spd |
| Firebird | 17 | 25 | 20 | Regular Gasoline | Rear-Wheel Drive | 2.8L 6-cyl | Automatic 4-spd |
| Firebird | 15 | 24 | 18 | Regular Gasoline | Rear-Wheel Drive | 2.8L 6-cyl | Manual 5-spd |