MINI John Cooper Works Convertible
28 MPG The 2024 MINI John Cooper Works Convertible is EPA-rated at 28 MPG combined (25 city / 33 highway). Over 15,000 miles a year that is about 536 gallons, $1714 a year in fuel, or $0.114 per mile at $3.20/gal.
Across its full 2009–2024 run it averages 27.8 MPG, falling by 1 MPG over 15 model years.
Running cost at different fuel prices and mileages
The figure everyone actually wants, and the one the EPA does not publish — because it depends on a fuel price no agency will commit to.
| Fuel price | Per mile | 10,000 mi/yr | 15,000 mi/yr | 20,000 mi/yr |
|---|---|---|---|---|
| $2.50/gal | $0.089 | $893 | $1339 | $1786 |
| $3.00/gal | $0.107 | $1071 | $1607 | $2143 |
| $3.20/gal | $0.114 | $1143 | $1714 | $2286 |
| $3.50/gal | $0.125 | $1250 | $1875 | $2500 |
| $4.00/gal | $0.143 | $1429 | $2143 | $2857 |
| $4.50/gal | $0.161 | $1607 | $2411 | $3214 |
| $5.00/gal | $0.179 | $1786 | $2679 | $3571 |
Every model year
| Year | Combined | City | Highway | EPA fuel cost/yr | CO₂ g/mi | Trims |
|---|---|---|---|---|---|---|
| 2024 | 28 MPG | 25 | 33 | $2750 | 316 | 1 |
| 2023 | 27 MPG | 24 | 33 | $2850 | 322 | 1 |
| 2022 | 28 MPG | 24 | 33 | $2750 | 319 | 1 |
| 2021 | 28 MPG | 25 | 33 | $2750 | 313 | 1 |
| 2020 | 28 MPG | 25 | 33 | $2750 | 313 | 1 |
| 2019 | 26.5 MPG | 23.5 | 32 | $2925 | 333 | 2 |
| 2018 | 26.5 MPG | 23.5 | 32 | $2925 | 332 | 2 |
| 2017 | 26 MPG | 23 | 31.5 | $2975 | 338 | 2 |
| 2015 | 28.5 MPG | 25.5 | 33.5 | $2700 | 311 | 2 |
| 2014 | 29 MPG | 26 | 34 | $2650 | 310 | 2 |
| 2013 | 29 MPG | 26 | 34 | $2650 | 310 | 2 |
| 2012 | 28 MPG | 25 | 32 | $2750 | 317 | 1 |
| 2011 | 28 MPG | 25 | 32 | $2750 | 317 | 1 |
| 2010 | 28 MPG | 25 | 33 | $2750 | 317 | 1 |
| 2009 | 29 MPG | 26 | 34 | $2650 | 306 | 1 |
Where a model year offered several engines or drivetrains, the figure is the average across all EPA-tested trims that year — the trim count is shown so you can see how much averaging is involved.
How it compares in its class
Among the 68 minicompact cars models tracked here, the MINI John Cooper Works Convertible ranks 11 on current figures, against a class average of 22.4 MPG.
Closest more-efficient alternatives in the same class: Fiat 500 (28.5), Fiat 500 Abarth (28.5), Toyota Paseo (28.5), MINI Cooper S (29), MINI John Cooper Works (29).
Tailpipe CO₂ is rated at 316 grams per mile, which works out to roughly 4.7 tonnes a year at 15,000 miles.
Questions
What MPG does the MINI John Cooper Works Convertible get?
The 2024 MINI John Cooper Works Convertible is rated at 28 MPG combined by the EPA — 25 city and 33 highway. Across all 15 model years in the database it averages 27.8 MPG, ranging from 25 to 29 depending on year and trim.
How much does a MINI John Cooper Works Convertible cost in fuel per year?
At 28 MPG and 15,000 miles a year, it burns about 536 gallons — roughly $1714 a year with fuel at $3.20 a gallon, or $0.114 per mile. The EPA's own published annual figure for the 2024 model is $2750.
Has the MINI John Cooper Works Convertible become more efficient over time?
No — it has actually gone backwards, from 29 MPG in 2009 to 28 in 2024. That usually reflects the model growing heavier, more powerful, or moving upmarket rather than the engineering getting worse.
Is the MINI John Cooper Works Convertible efficient for its class?
It ranks 11 of 68 in the Minicompact Cars class on current figures, against a class average of 22.4 MPG. That is 5.6 better than typical for the class.
EPA test figures from fueleconomy.gov. Cost per mile and annual fuel spend are computed at a reference price of $3.20 per gallon — use your own price. Estimates based on official test figures and average fuel prices. Real-world consumption varies with driving style, load, terrain and maintenance.