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2021 Ford Mustang Convertible — 2.3L 4-cyl, S10 automatic, RWD
This 2021 Ford Mustang Convertible (2.3L 4-cyl, S10 automatic, RWD) takes regular (87-octane) gasoline. REGULAR
23
MPG combined (20 city / 28 hwy)
$2,700
est. fuel cost / year (EPA, 15k mi)
387 g/mi
tailpipe CO₂
Other 2021 Ford Mustang Convertible trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 2.3L 4-cyl, 6-spd manual, RWD | REGULAR | 23 | $2,700 |
| 2.3L 4-cyl, Automatic 10-spd, RWD | REGULAR | 23 | $2,700 |
| 5.0L 8-cyl, S10 automatic, RWD | REGULAR | 18 | $3,450 |
EPA fuel type: Regular · class: Subcompact Cars · retrieved 2026-06-14.