← all 2020 Roush Performance Stage 3 Mustang trims
2020 Roush Performance Stage 3 Mustang — 5.0L 8-cyl, S10 automatic, RWD
This 2020 Roush Performance Stage 3 Mustang (5.0L 8-cyl, S10 automatic, RWD) takes premium gasoline. PREMIUM
14
MPG combined (12 city / 18 hwy)
$5,500
est. fuel cost / year (EPA, 15k mi)
618 g/mi
tailpipe CO₂
The EPA lists this trim as premium because that's the fuel the manufacturer specified for its mileage test. Many such engines will run on regular with slightly lower power and MPG — but check your owner's manual to see whether premium is required or just recommended.
Other 2020 Roush Performance Stage 3 Mustang trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 5.0L 8-cyl, 6-spd manual, RWD | PREMIUM | 15 | $5,150 |
EPA fuel type: Premium · class: Subcompact Cars · retrieved 2026-06-14.