Roush Performance · Subcompact cars · Gasoline
Roush Performance Mustang: MPG and annual fuel cost, 2021
The Roush Performance Mustang was last rated in the data for model year 2021, at 15 MPG combined, 5th of 5 subcompact cars, in the bottom quarter.
- 15MPG combined5th of 5 in class
- $5,500a year in fuel5th of 5 in class
- 606g/mile CO2
Where it stands
The subcompact cars rated for 2021 run from 15 to 113 MPG, with a median of 26 MPG.
Among all gasoline models of the year, regardless of size, it is 15th of 19 gasoline models, in the bottom quarter.
In its class, just ahead of it is the Audi TTS at 25 MPG.
Fuel cost and CO2
At 15,000 miles a year with 55% of them in the city, with premium gasoline at $5.48 per gallon, the annual fuel bill of the most efficient version is about $5,500. That is $2,350 more than the subcompact cars median of $3,150.
Tailpipe CO2 is 606 g/mile, 536 g/mile above the subcompact cars median of 70.
Rated versions
Its city rating is 12 and its highway rating 19: the highway figure is 7 higher. 2 versions are rated for 2021. The most efficient, Mustang: 5.0 L, 8 cyl, Automatic (S10), RWD, gets 15 MPG; the least efficient listed, Mustang: 5.0 L, 8 cyl, Manual 6-spd, RWD, gets 14 MPG, a gap of 1 MPG. With the file's assumptions that gap is worth about $350 a year in fuel.
| Version | Combined MPG | City MPG | Highway MPG | Annual fuel cost | CO2 g/mile |
|---|---|---|---|---|---|
| Mustang: 5.0 L, 8 cyl, Automatic (S10), RWD | 15 | 12 | 19 | $5,500 | 606 |
| Mustang: 5.0 L, 8 cyl, Manual 6-spd, RWD | 14 | 12 | 19 | $5,850 | 618 |
Year by year
The Roush Performance Mustang is in the data for 2 of the 8 model years from 2019 to 2026. The headline rating did not move between 2019 and 2021: 15 MPG both times.
| Model year | Versions | Best MPG | Lowest MPG | Fuel cost | CO2 g/mi | Class median |
|---|---|---|---|---|---|---|
| 2021 | 2 | 15 | 14 | $5,500 | 606 | 26 |
| 2019 | 2 | 15 | 15 | $5,500 | 600 | 25 |
Similar models
| Model | Powertrain | Combined MPG | Annual fuel cost | Model year |
|---|---|---|---|---|
| Audi TTS | Gasoline | 25 | $3,300 | 2021 |
| Karma GS-6 | Plug-in hybrid | 26 | $3,150 | 2021 |
| BMW i3 Plug-in hybrid | Plug-in hybrid | 31 | $2,650 | 2021 |
| BMW i3 Electric | Electric | 113 | $650 | 2021 |
Compare and rank
Rankings: Subcompact cars.
Data: US EPA and DOE, as prepared in methods and data.