MINI JCW Convertible MPG by year — every rating on record
The MINI JCW Convertible has a combined EPA fuel economy rating for 2 model years, from 2025 to 2026. Across those years its best rated version returned 30 mpg (2025) and its thirstiest returned 30 mpg (2025). The EPA record holds 2 configurations for this nameplate, most recently a Minicompact Cars.
Year-by-year EPA ratings
| Model year | Configurations | Best combined | Worst combined | Class rank that year | Drivetrains | Fuel | EPA class |
|---|---|---|---|---|---|---|---|
| 2025 | 1 | 30 mpg | 30 mpg | #5 of 31 (87th pct) | Front-Wheel Drive | Premium | Minicompact Cars |
| 2026 | 1 | 30 mpg | 30 mpg | #4 of 31 (90th pct) | Front-Wheel Drive | Premium | Minicompact Cars |
Where it has stood in its class
Ranked against every other nameplate the EPA filed under the same class that year. The MINI JCW Convertible placed highest in 2026 at #4 of 31, and lowest in 2025 at #5 of 31. It spent 2 of its 2 ranked years in the top half of its class.
Every configuration on record
All 2 configurations EPA lists for this nameplate, newest first.
| Year | Configuration | Engine detail | City | Highway | Combined | Gallons/yr | Barrels/yr | EPA fuel cost/yr | CO2 g/mi | GHG |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 2.0L 4-cyl Front-Wheel Drive Automatic (AM-S7) Premium | SIDI & PFI, turbocharged, start-stop | 26 | 35 | 30 | 383.3 | 9.9 | $2,600 | 296 | 6/10 |
| 2025 | 2.0L 4-cyl Front-Wheel Drive Automatic (AM-S7) Premium | SIDI & PFI, turbocharged, start-stop | 26 | 35 | 30 | 383.3 | 9.9 | $2,600 | 296 | 6/10 |
What JCW Convertible fuel costs over a year
At the EPA's 11,500 miles a year, the 2026 MINI JCW Convertible burns 383 to 383 gallons depending on configuration. Below is what that costs at three pump prices, and how much more the thirstiest configuration costs than the most efficient one.
| Pump price | Most efficient | Thirstiest | Spread |
|---|---|---|---|
| $3.00/gal | $1,150 | $1,150 | $0 |
| $3.50/gal | $1,342 | $1,342 | $0 |
| $4.00/gal | $1,533 | $1,533 | $0 |
EPA’s own estimate for the 2026 model year is $2,600 to $2,600 a year in fuel, or $1,750 more than the average new vehicle over five years.
How it compares with other Minicompact Cars
Across the 153 nameplates EPA classifies as Minicompact Cars, the median best combined rating is 21 mpg. At 30 mpg the MINI JCW Convertible is 9 mpg better the median, which is worth about $575 a year at $3.50 a gallon.
- All Minicompact Cars rankings — every nameplate in the class, best to worst.
Other MINI nameplates
Every MINI model compared → — all nameplates ranked by best combined rating, with what each one costs a year.