MINI Cooper S Convertible
30 MPG The 2026 MINI Cooper S Convertible is EPA-rated at 30 MPG combined (26 city / 36 highway). Over 15,000 miles a year that is about 500 gallons, $1600 a year in fuel, or $0.107 per mile at $3.20/gal.
Across its full 2005–2026 run it averages 27.5 MPG, improving by 6 MPG over 22 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 | $0.083 | $833 | $1250 | $1667 |
| $3.00/gal | $0.100 | $1000 | $1500 | $2000 |
| $3.20/gal | $0.107 | $1067 | $1600 | $2133 |
| $3.50/gal | $0.117 | $1167 | $1750 | $2333 |
| $4.00/gal | $0.133 | $1333 | $2000 | $2667 |
| $4.50/gal | $0.150 | $1500 | $2250 | $3000 |
| $5.00/gal | $0.167 | $1667 | $2500 | $3333 |
Every model year
| Year | Combined | City | Highway | EPA fuel cost/yr | CO₂ g/mi | Trims |
|---|---|---|---|---|---|---|
| 2026 | 30 MPG | 26 | 36 | $2550 | 292 | 1 |
| 2025 | 30 MPG | 26 | 36 | $2550 | 292 | 1 |
| 2024 | 28.5 MPG | 25 | 34.5 | $2700 | 311 | 2 |
| 2023 | 28.5 MPG | 25 | 34.5 | $2700 | 311 | 2 |
| 2022 | 28 MPG | 25 | 34.5 | $2750 | 314 | 2 |
| 2021 | 27.5 MPG | 24.5 | 33 | $2800 | 322 | 2 |
| 2020 | 29 MPG | 26 | 34 | $2650 | 304 | 1 |
| 2019 | 27 MPG | 24 | 32.5 | $2850 | 327 | 2 |
| 2018 | 27 MPG | 24 | 32.5 | $2850 | 327 | 2 |
| 2017 | 27 MPG | 24 | 32.5 | $2850 | 326 | 2 |
| 2016 | 27 MPG | 24 | 32.5 | $2850 | 326 | 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 | 29 MPG | 25.5 | 33.5 | $2650 | 307 | 2 |
| 2011 | 29 MPG | 26 | 34 | $2650 | 307 | 2 |
| 2010 | 28 MPG | 25 | 33 | $2750 | 318 | 2 |
| 2009 | 28 MPG | 24.5 | 33 | $2750 | 318 | 2 |
| 2008 | 23.5 MPG | 20 | 29 | $3275 | 378 | 2 |
| 2007 | 23.5 MPG | 20.5 | 28.5 | $3275 | 378 | 2 |
| 2006 | 24 MPG | 21.5 | 29 | $3200 | 370 | 2 |
| 2005 | 24 MPG | 21.5 | 29 | $3200 | 370 | 2 |
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 Cooper S Convertible ranks 4 on current figures, against a class average of 22.4 MPG.
Closest more-efficient alternatives in the same class: MINI Cooper (31), Scion iQ (37), Fiat 500e (116).
Tailpipe CO₂ is rated at 292 grams per mile, which works out to roughly 4.4 tonnes a year at 15,000 miles.
Questions
What MPG does the MINI Cooper S Convertible get?
The 2026 MINI Cooper S Convertible is rated at 30 MPG combined by the EPA — 26 city and 36 highway. Across all 22 model years in the database it averages 27.5 MPG, ranging from 23 to 30 depending on year and trim.
How much does a MINI Cooper S Convertible cost in fuel per year?
At 30 MPG and 15,000 miles a year, it burns about 500 gallons — roughly $1600 a year with fuel at $3.20 a gallon, or $0.107 per mile. The EPA's own published annual figure for the 2026 model is $2550.
Has the MINI Cooper S Convertible become more efficient over time?
Yes. It has gone from 24 MPG in 2005 to 30 in 2026 — an improvement of 6 MPG, or 25% across 22 model years.
Is the MINI Cooper S Convertible efficient for its class?
It ranks 4 of 68 in the Minicompact Cars class on current figures, against a class average of 22.4 MPG. That is 7.6 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.