CRTCar Real Test
Sources: EPA fuel economy file 2026-11-04 | NHTSA safety records 2026-11-14
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Best Minicompact Cars gas mileage, 2026 models

11 2026 models are in the Minicompact Cars class in the agency's file. The top figure is 30 mpg combined for the MINI Cooper; the middle figure of the class is 20 mpg.

Ranked by best combined mileage

Each model's best version, miles per gallon, combined city and highway. The 1 electric or fuel-cell entry of this class is in their own table below, so the 10 here are the models that burn fuel.

1. MINI CooperCooper C Convertible - 2 versions tested
30 mpg
2. MINI John Cooper WorksJCW Convertible - 1 version tested
30 mpg
3. Subaru BRZBRZ (Automatic (S6)) - 2 versions tested
25 mpg
4. Mercedes-Benz SL-ClassAMG SL43, hybrid - 4 versions tested
22 mpg
5. Porsche 911911 Carrera - 16 versions tested
21 mpg
6. Bentley ContinentalContinental GTC, plug-in hybrid - 1 version tested
19 mpg
7. Ferrari RomaRoma Spider - 1 version tested
19 mpg
8. Lexus LCLC 500 Convertible - 1 version tested
18 mpg
9. Aston Martin DB12 SDB12 S - 1 version tested
17 mpg
10. Aston Martin DB12 V8DB12 V8 - 1 version tested
17 mpg

Electric and fuel-cell models

Rated in MPGe, which is not the same measure as miles per gallon, so they are listed apart.

ModelBest versionCombined MPGeRange mi
Fiat 500e500e116149

Common questions

What is the most fuel-efficient Minicompact Cars in 2026?

The MINI Cooper C Convertible with 30 miles per gallon combined (27 city, 37 highway).

How many 2026 models are in the Minicompact Cars class?

11 models in the agency's file, with 1 electric or fuel-cell entry ranked apart.

Mileage and fuel cost: U.S. Environmental Protection Agency, fueleconomy.gov vehicle file (file dated 2026-11-04). Your own mileage depends on how and where you drive. Where our numbers come from.