← all 2021 Ford Mustang HO Convertible trims
2021 Ford Mustang HO Convertible — 2.3L 4-cyl, 6-spd manual, RWD
This 2021 Ford Mustang HO Convertible (2.3L 4-cyl, 6-spd manual, RWD) takes regular (87-octane) gasoline. REGULAR
21
MPG combined (19 city / 25 hwy)
$2,714
est. fuel cost / year (today’s prices, 15k mi)
415 g/mi
tailpipe CO₂
At today's AAA national average price ($3.80/gal, 2026-07-05) — the EPA's own price/date assumption isn't exposed in the public dataset, so we recompute this from the EPA's MPG figure and a sourced current price.
Other 2021 Ford Mustang HO Convertible trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 2.3L 4-cyl, S10 automatic, RWD | REGULAR | 22 | $2,591 |
EPA fuel type: Regular · class: Subcompact Cars · engine: 2.3L 4-cyl turbo · transmission: 6-spd manual · drive: RWD · MPG retrieved 2026-07-24.