2003 Roush Performance Mustang
2 configurations — EPA fuel economy ratings
| Trim / Variant | City MPG | Hwy MPG | Combined MPG | Fuel | Drive | Engine | Transmission |
|---|---|---|---|---|---|---|---|
| Stage 3 Mustang | 15 | 21 | 17 | Premium Gasoline | Rear-Wheel Drive | 4.6L 8-cyl Supercharged | Automatic 4-spd |
| Stage 3 Mustang | 15 | 23 | 18 | Premium Gasoline | Rear-Wheel Drive | 4.6L 8-cyl Supercharged | Manual 5-spd |