1990 Mercury Cougar
3 configurations — EPA fuel economy ratings
| Trim / Variant | City MPG | Hwy MPG | Combined MPG | Fuel | Drive | Engine | Transmission |
|---|---|---|---|---|---|---|---|
| Cougar | 15 | 21 | 18 | Premium Gasoline | Rear-Wheel Drive | 3.8L 6-cyl Supercharged | Automatic 4-spd |
| Cougar | 15 | 22 | 18 | Premium Gasoline | Rear-Wheel Drive | 3.8L 6-cyl Supercharged | Manual 5-spd |
| Cougar | 17 | 24 | 20 | Regular Gasoline | Rear-Wheel Drive | 3.8L 6-cyl | Automatic 4-spd |