The following table compares the fuel economies of the top 100 most fuel-efficient 2021 minicompact cars.
The table includes Plug-in Hybrid vehicles.
The annual fuel cost (shown in the right-most column) is calculated based on an estimated annual mileage of 15,000 miles,
of which 55% of the miles are city driving, and 45% of the miles are highway driving.
The calculation assumes a fuel cost of $5.00 per gallon.
| Rank | Brand | Model Year | Vehicle Type | Combined MPG | City MPG |
Highway MPG | Annual Cost |
|---|---|---|---|---|---|---|---|
| 1 | MINI | 2021 Cooper Convertible | 31 | 28 | 37 | $2,385 | |
| 2 | MINI | 2021 Cooper S Convertible | 29 | 26 | 34 | $2,579 | |
| 3 | MINI | 2021 John Cooper Works Convertible | 28 | 25 | 33 | $2,672 | |
| 4 | Polestar Automotive USA Inc. | 2021 Polestar 1 | Plug-in Hybrid | 26 | 22 | 31 | $2,963 |
| 5 | Porsche | 2021 911 Carrera S | 21 | 18 | 25 | $3,641 | |
| 6 | Porsche | 2021 911 Carrera Cabriolet | 20 | 18 | 24 | $3,697 | |
| 7 | Porsche | 2021 911 Carrera S Cabriolet | 20 | 18 | 25 | $3,641 | |
| 8 | Aston Martin | 2021 DB11 V8 | 20 | 18 | 24 | $3,697 | |
| 9 | Porsche | 2021 911 Carrera 4 | 20 | 18 | 24 | $3,697 | |
| 10 | Porsche | 2021 911 Carrera 4 Cabriolet | 20 | 18 | 24 | $3,697 | |
| 11 | Lotus | 2021 Evora GT | 20 | 17 | 26 | $3,724 | |
| 12 | Porsche | 2021 911 Carrera 4S | 20 | 18 | 25 | $3,641 | |
| 13 | Porsche | 2021 911 Carrera 4S Cabriolet | 20 | 18 | 24 | $3,697 | |
| 14 | Porsche | 2021 911 Targa 4 | 20 | 18 | 24 | $3,697 | |
| 15 | Porsche | 2021 911 Targa 4S | 20 | 18 | 24 | $3,697 | |
| 16 | Porsche | 2021 911 Carrera | 20 | 18 | 24 | $3,697 | |
| 17 | Bentley | 2021 Continental GT Convertible | 19 | 16 | 26 | $3,876 | |
| 18 | Ferrari | 2021 F164 BCB | 19 | 16 | 23 | $4,045 | |
| 19 | Lexus | 2021 LC 500 Convertible | 18 | 15 | 25 | $4,100 | |
| 20 | Aston Martin | 2021 DB11 V12 | 18 | 15 | 22 | $4,284 | |
| 21 | Ferrari | 2021 Portofino | 18 | 16 | 22 | $4,112 | |
| 22 | Aston Martin | 2021 DBS | 17 | 14 | 22 | $4,480 | |
| 23 | Porsche | 2021 911 Turbo | 17 | 15 | 20 | $4,437 | |
| 24 | Porsche | 2021 911 Turbo Cabriolet | 17 | 15 | 20 | $4,437 | |
| 25 | Porsche | 2021 911 Turbo S | 17 | 15 | 20 | $4,437 | |
| 26 | Porsche | 2021 911 Turbo S Cabriolet | 17 | 15 | 20 | $4,437 | |