2020 Roush Performance Stage 3 Mustang vs 2021 Roush Performance Mustang
| EPA figure | 2020 Roush Performance Stage 3 Mustang | 2021 Roush Performance Mustang |
|---|---|---|
| Model year | 2020 | 2021 |
| Body · drive | Subcompact · Rear-Wheel Drive · Gas | Subcompact · Rear-Wheel Drive · Gas |
| Combined MPG | 15 | 15 |
| City / highway MPG | 13 / 20 | 12 / 19 |
| Fuel a year | $5,500 | $5,500 |
| Tailpipe CO₂ (g/mi) | 570 | 606 |
| Engine | 5.0 L 8-cyl supercharged | 5.0 L 8-cyl supercharged |
| Transmission | Manual 6-spd | Automatic (S10) |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.