1990 Pontiac Firefly
3 configurations — EPA fuel economy ratings
| Trim / Variant | City MPG | Hwy MPG | Combined MPG | Fuel | Drive | Engine | Transmission |
|---|---|---|---|---|---|---|---|
| Firefly | 32 | 35 | 33 | Regular Gasoline | Front-Wheel Drive | 1L 3-cyl | Automatic 3-spd |
| Firefly | 38 | 45 | 41 | Regular Gasoline | Front-Wheel Drive | 1L 3-cyl | Manual 5-spd |
| Turbo Firefly | 31 | 38 | 34 | Regular Gasoline | Front-Wheel Drive | 1L 3-cyl Turbo | Manual 5-spd |