The following table compares the fuel economies of the top 100 most fuel-efficient 2015 subcompact cars.
The table includes EV, Plug-in Hybrid, FFV 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 | BMW | 2015 i3 BEV | Electric vehicle | 124 | 137 | 111 | $605 |
| 2 | Chevrolet | 2015 Spark EV | Electric vehicle | 119 | 128 | 109 | $631 |
| 3 | BMW | 2015 i3 REX | Plug-in Hybrid | 39 | 41 | 37 | $1,918 |
| 4 | Ford | 2015 Fiesta SFE FWD | 35 | 31 | 41 | $2,153 | |
| 5 | Audi | 2015 A3 | 35 | 31 | 41 | $2,153 | |
| 6 | Chevrolet | 2015 Spark | 34 | 31 | 38 | $2,218 | |
| 7 | Cadillac | 2015 ELR | Plug-in Hybrid | 33 | 31 | 35 | $2,294 |
| 8 | Volkswagen | 2015 Beetle Convertible | 33 | 30 | 39 | $2,240 | |
| 9 | MINI | 2015 Cooper (3-doors) | 32 | 29 | 38 | $2,310 | |
| 10 | MINI | 2015 Cooper (5-doors) | 32 | 28 | 38 | $2,361 | |
| 11 | Ford | 2015 Fiesta FWD | 30 | 27 | 36 | $2,465 | |
| 12 | Audi | 2015 A3 Cabriolet | 28 | 24 | 35 | $2,683 | |
| 13 | BMW | 2015 i8 | Plug-in Hybrid | 28 | 28 | 29 | $2,637 |
| 14 | MINI | 2015 Cooper S (3-doors) | 28 | 25 | 33 | $2,672 | |
| 15 | MINI | 2015 Cooper S (5-doors) | 28 | 25 | 33 | $2,672 | |
| 16 | BMW | 2015 228i xDrive | 27 | 23 | 34 | $2,786 | |
| 17 | MINI | 2015 John Cooper Works Hardtop | 27 | 25 | 31 | $2,738 | |
| 18 | Audi | 2015 A3 quattro | 27 | 24 | 33 | $2,741 | |
| 19 | BMW | 2015 228i | 27 | 23 | 35 | $2,757 | |
| 20 | BMW | 2015 228i xDrive Convertible | 26 | 22 | 32 | $2,929 | |
| 21 | Audi | 2015 A3 Cabriolet quattro | 26 | 23 | 32 | $2,848 | |
| 22 | Audi | 2015 TT Coupe quattro | 26 | 22 | 31 | $2,963 | |
| 23 | Audi | 2015 A5 quattro | 26 | 22 | 32 | $2,929 | |
| 24 | Audi | 2015 S3 | 26 | 23 | 31 | $2,882 | |
| 25 | BMW | 2015 228i Convertible | 26 | 23 | 33 | $2,816 | |
| 26 | BMW | 2015 428i Convertible | 26 | 23 | 33 | $2,816 | |
| 27 | BMW | 2015 640i Coupe | 25 | 21 | 31 | $3,052 | |
| 28 | BMW | 2015 428i xDrive Convertible | 25 | 21 | 32 | $3,018 | |
| 29 | BMW | 2015 M235i Convertible | 25 | 21 | 31 | $3,052 | |
| 30 | Volkswagen | 2015 Eos | 25 | 22 | 30 | $3,000 | |
| 31 | Ford | 2015 Mustang | 25 | 22 | 31 | $2,963 | |
| 32 | Mercedes-Benz | 2015 C250 Coupe | 25 | 21 | 31 | $3,052 | |
| 33 | BMW | 2015 M235i | 25 | 21 | 31 | $3,052 | |
| 34 | BMW | 2015 640i Convertible | 24 | 20 | 30 | $3,187 | |
| 35 | Lexus | 2015 IS 250 C | 24 | 21 | 30 | $3,089 | |
| 36 | Ford | 2015 Mustang Convertible | 24 | 20 | 29 | $3,226 | |
| 37 | Audi | 2015 A5 Cabriolet quattro | Flexible fueled | 24 | 21 | 29 | $3,128 |
| 38 | BMW | 2015 435i Convertible | 24 | 20 | 30 | $3,187 | |
| 39 | Mercedes-Benz | 2015 C350 Coupe | 23 | 20 | 28 | $3,267 | |
| 40 | BMW | 2015 640i xDrive Coupe | 23 | 20 | 29 | $3,226 | |
| 41 | Mercedes-Benz | 2015 E350 Convertible | 23 | 20 | 28 | $3,267 | |
| 42 | BMW | 2015 640i xDrive Convertible | 23 | 20 | 29 | $3,226 | |
| 43 | BMW | 2015 M235i xDrive | 23 | 20 | 30 | $3,187 | |
| 44 | Mercedes-Benz | 2015 E400 Coupe | 23 | 20 | 29 | $3,226 | |
| 45 | Mercedes-Benz | 2015 E400 4matic Coupe | 23 | 20 | 28 | $3,267 | |
| 46 | Mercedes-Benz | 2015 E400 Convertible | 23 | 20 | 29 | $3,226 | |
| 47 | BMW | 2015 435i xDrive Convertible | 23 | 20 | 29 | $3,226 | |
| 48 | Mercedes-Benz | 2015 C350 4matic Coupe | 22 | 19 | 27 | $3,421 | |
| 49 | Mercedes-Benz | 2015 E350 Coupe | 22 | 19 | 28 | $3,376 | |
| 50 | Lexus | 2015 IS 350 C | 22 | 19 | 27 | $3,421 | |
| 51 | Infiniti | 2015 Q60 | 22 | 19 | 27 | $3,421 | |
| 52 | Lexus | 2015 RC 350 | 22 | 19 | 28 | $3,376 | |
| 53 | Mercedes-Benz | 2015 E550 Coupe | 21 | 18 | 26 | $3,589 | |
| 54 | Audi | 2015 S5 | 21 | 18 | 28 | $3,497 | |
| 55 | Lexus | 2015 RC 350 AWD | 21 | 19 | 26 | $3,469 | |
| 56 | Audi | 2015 S5 Cabriolet | 21 | 18 | 26 | $3,589 | |
| 57 | BMW | 2015 M4 Convertible | 20 | 17 | 26 | $3,724 | |
| 58 | Mercedes-Benz | 2015 E550 Convertible | 20 | 17 | 25 | $3,776 | |
| 59 | BMW | 2015 650i Coupe | 20 | 17 | 24 | $3,832 | |
| 60 | Infiniti | 2015 Q60 Convertible | 20 | 18 | 25 | $3,641 | |
| 61 | BMW | 2015 650i Convertible | 20 | 17 | 24 | $3,832 | |
| 62 | Infiniti | 2015 Q60 AWD | 20 | 18 | 25 | $3,641 | |
| 63 | Hyundai | 2015 Genesis Coupe | 19 | 16 | 25 | $3,928 | |
| 64 | BMW | 2015 650i xDrive Coupe | 19 | 16 | 24 | $3,984 | |
| 65 | Nissan | 2015 GT-R | 19 | 16 | 23 | $4,045 | |
| 66 | BMW | 2015 650i xDrive Convertible | 19 | 16 | 24 | $3,984 | |
| 67 | Lexus | 2015 RC F | 19 | 16 | 25 | $3,928 | |
| 68 | Audi | 2015 RS 5 | 18 | 16 | 23 | $4,045 | |
| 69 | Audi | 2015 RS 5 Cabriolet | 18 | 16 | 22 | $4,112 | |
| 70 | Aston Martin | 2015 Rapide S | 17 | 14 | 21 | $4,553 | |
| 71 | Bentley | 2015 Continental GT Convertible | 17 | 14 | 24 | $4,352 | |
| 72 | BMW | 2015 M6 Coupe | 17 | 15 | 22 | $4,284 | |
| 73 | BMW | 2015 M6 Convertible | 17 | 15 | 22 | $4,284 | |
| 74 | Maserati | 2015 GranTurismo | 16 | 13 | 21 | $4,780 | |
| 75 | Maserati | 2015 GranTurismo Convertible | 15 | 13 | 20 | $4,860 | |
| 76 | Mercedes-Benz | 2015 C63 AMG Coupe | 15 | 13 | 19 | $4,949 | |