Part of the data ring
RunCost
Shelf order · Subcompact Cars

Most efficient
subcompact cars

229 models ranked on the EPA's own combined figure — no manufacturer claims, no road tests, no paid placement. Topped by the Mitsubishi i-MiEV at 112 MPGe.

Ranked on the test sheet, best first

#ModelCombinedFuel/yrPer mileYears
1 Mitsubishi i-MiEV 112 MPGe$429 $0.0292012–2017
2 MINI Cooper SE Hardtop 2 door 110 MPGe$436 $0.0292020–2024
3 Toyota Mirai 72 MPG$667 $0.0442016–2026
4 Geo Metro XFI 47 MPG$1021 $0.0681990–1994
5 Honda Prelude 44 MPG$1091 $0.0731984–2026
6 Mitsubishi Mirage 39 MPG$1231 $0.0821985–2024
7 Chevrolet Sprint 37 MPG$1297 $0.0861985–1994
8 Geo Metro LSI 37 MPG$1297 $0.0861989–1993
9 Pontiac Firefly 37 MPG$1297 $0.0861985–1994
10 Ford Fiesta SFE FWD 35 MPG$1371 $0.0912012–2017
11 Geo Metro 34.3 MPG$1399 $0.0931989–1997
12 Chevrolet Spark 33 MPG$1455 $0.0972013–2022
13 Honda Civic HX 33 MPG$1455 $0.0971996–2002
14 Chevrolet Spark ACTIV 32.5 MPG$1477 $0.0982017–2022
15 Audi A3 32 MPG$1500 $0.1002006–2024
16 MINI Cooper Hardtop 2 door 32 MPG$1500 $0.1002016–2025
17 MINI Cooper Hardtop 4 door 32 MPG$1500 $0.1002016–2025
18 MINI Cooper S Hardtop 2 door 32 MPG$1500 $0.1002016–2025
19 MINI Cooper S Hardtop 4 door 32 MPG$1500 $0.1002016–2025
20 BMW 430i Coupe 31 MPG$1548 $0.1032017–2027
21 Daihatsu Charade 31 MPG$1548 $0.1031988–1992
22 Ford Festiva 30.5 MPG$1574 $0.1051988–1993
23 Ford Fiesta FWD 30.5 MPG$1574 $0.1052012–2019
24 Honda Civic 30.3 MPG$1584 $0.1061984–2015
25 BMW 230i Coupe 30 MPG$1600 $0.1072017–2026
26 BMW 430i Convertible 30 MPG$1600 $0.1072017–2027
27 BMW 430i xDrive Coupe 30 MPG$1600 $0.1072017–2027
28 BMW M440i Coupe 30 MPG$1600 $0.1072022–2027
29 Subaru Justy 30 MPG$1600 $0.1071987–1994
30 Subaru Impreza AWD 29.5 MPG$1627 $0.1081993–2016
31 Audi A3 Cabriolet 29 MPG$1655 $0.1102015–2019
32 BMW M440i Convertible 29 MPG$1655 $0.1102021–2026
33 BMW M440i xDrive Coupe 29 MPG$1655 $0.1102021–2027
34 Lexus LC 500h 29 MPG$1655 $0.1102018–2025
35 MINI John Cooper Works Clubman 29 MPG$1655 $0.1102009–2014
36 Scion xD 29 MPG$1655 $0.1102008–2014
37 Subaru Impreza 29 MPG$1655 $0.1101993–2026
38 Toyota Tercel 29 MPG$1655 $0.1101984–1999
39 Volkswagen Beetle Convertible 29 MPG$1655 $0.1102013–2019
40 Chevrolet Aveo 5 28.5 MPG$1684 $0.1122005–2011
41 Isuzu I-Mark 28.4 MPG$1690 $0.1131984–1989
42 Acura Integra 28 MPG$1714 $0.1141986–2026
43 Audi A3 quattro 28 MPG$1714 $0.1142006–2026
44 BMW 230i xDrive Coupe 28 MPG$1714 $0.1142017–2026
45 BMW 430i xDrive Convertible 28 MPG$1714 $0.1142017–2027
46 BMW M440i xDrive Convertible 28 MPG$1714 $0.1142022–2027
47 Honda Civic CNG 28 MPG$1714 $0.1141998–2011
48 MINI John Cooper Works Hardtop 28 MPG$1714 $0.1142015–2021
49 Dodge Colt 27.3 MPG$1758 $0.1171984–1994
50 Plymouth Colt 27.3 MPG$1758 $0.1171984–1994
51 Audi A5 Cabriolet quattro 27 MPG$1778 $0.1192010–2024
52 BMW 230i Convertible 27 MPG$1778 $0.1192017–2021
53 Chevrolet Cobalt 27 MPG$1778 $0.1192005–2009
54 Hyundai Excel 27 MPG$1778 $0.1191987–1994
55 Saturn SC 27 MPG$1778 $0.1191991–2002
56 Suzuki Swift GT 27 MPG$1778 $0.1191990–1994
57 Eagle Summit 26.8 MPG$1791 $0.1191989–1996
58 Geo Prizm 26.5 MPG$1811 $0.1211989–1997
59 Mitsubishi Precis 26.5 MPG$1811 $0.1211984–1993
60 Suzuki Swift 26.5 MPG$1811 $0.1211989–2005
61 Suzuki Esteem 26.3 MPG$1825 $0.1221996–2002
62 Audi A5 Cabriolet 26 MPG$1846 $0.1232010–2014
63 Audi A5 quattro 26 MPG$1846 $0.1232008–2026
64 Audi S3 26 MPG$1846 $0.1232015–2026
65 Audi TT Coupe quattro 26 MPG$1846 $0.1232000–2022
66 Audi TTS Coupe 26 MPG$1846 $0.1232016–2023
67 BMW M240i Coupe 26 MPG$1846 $0.1232017–2026
68 BMW M240i xDrive Coupe 26 MPG$1846 $0.1232017–2026
69 Hyundai Scoupe 26 MPG$1846 $0.1231991–1995
70 Nissan Altima Coupe 26 MPG$1846 $0.1232008–2013
71 Scion tC 26 MPG$1846 $0.1232005–2016
72 Toyota Celica 25.8 MPG$1860 $0.1241984–2005
73 Nissan Sentra/200SX 25.5 MPG$1882 $0.1251995–1999
74 Audi A3 Cabriolet quattro 25 MPG$1920 $0.1282015–2020
75 Audi A4 Cabriolet 25 MPG$1920 $0.1282003–2009
76 Ford Escort ZX2 25 MPG$1920 $0.1281998–2003
77 Lexus RC 300 25 MPG$1920 $0.1282018–2025
78 Mercedes-Benz C300 4matic Convertible 25 MPG$1920 $0.1282017–2023
79 Mercedes-Benz C300 4matic Coupe 25 MPG$1920 $0.1282017–2023
80 Mercedes-Benz C300 Coupe 25 MPG$1920 $0.1282017–2023
81 Mercedes-Benz E450 Convertible 25 MPG$1920 $0.1282019–2023
82 Mercedes-Benz E450 Coupe 25 MPG$1920 $0.1282019–2023
83 Volkswagen Eos 25 MPG$1920 $0.1282007–2016
84 Volkswagen Fox 25 MPG$1920 $0.1281987–1993
85 Acura RSX 24.7 MPG$1943 $0.1302002–2006
86 Ford Laser 24.5 MPG$1959 $0.1311984–1989
87 Mazda MX-3 24.3 MPG$1975 $0.1321992–1996
88 BMW 230i xDrive Convertible 24 MPG$2000 $0.1332017–2021
89 BMW 640i Coupe 24 MPG$2000 $0.1332012–2017
90 BMW 840i Convertible 24 MPG$2000 $0.1332020–2026
91 BMW 840i Coupe 24 MPG$2000 $0.1332020–2026
92 BMW 840i xDrive Convertible 24 MPG$2000 $0.1332020–2026
93 BMW 840i xDrive Coupe 24 MPG$2000 $0.1332020–2026
94 BMW M240i xDrive Convertible 24 MPG$2000 $0.1332017–2021
95 Lexus IS 250 24 MPG$2000 $0.1332006–2015
96 Mercedes-Benz C300 Convertible 24 MPG$2000 $0.1332017–2023
97 Mercedes-Benz E450 4matic Convertible 24 MPG$2000 $0.1332019–2023
98 Mercedes-Benz E450 4matic Coupe 24 MPG$2000 $0.1332019–2023
99 BMW 318i/318is 23.5 MPG$2043 $0.1361993–1998
100 Nissan Pulsar NX 23.5 MPG$2043 $0.1361986–1990
101 Subaru Hatchback 23.5 MPG$2043 $0.1361985–1989
102 Volkswagen Cabrio 23.5 MPG$2043 $0.1361995–2002
103 Audi RS 3 23 MPG$2087 $0.1392017–2026
104 BMW 640i Convertible 23 MPG$2087 $0.1392012–2018
105 Isuzu Impulse 23 MPG$2087 $0.1391984–1993
106 Lexus IS 250 AWD 23 MPG$2087 $0.1392006–2015
107 Lexus RC 350 23 MPG$2087 $0.1392015–2025
108 Mercedes-Benz AMG E53 4matic Plus Convertible 23 MPG$2087 $0.1392019–2023
109 Mercedes-Benz AMG E53 4matic Plus Coupe 23 MPG$2087 $0.1392019–2023
110 Mercedes-Benz E350 Convertible 23 MPG$2087 $0.1392011–2015
111 Volkswagen New Beetle 23 MPG$2087 $0.1391998–2010
112 Mitsubishi Cordia 22.7 MPG$2115 $0.1411984–1988
113 Mitsubishi Tredia 22.7 MPG$2115 $0.1411984–1988
114 Subaru XT 22.7 MPG$2115 $0.1411985–1991
115 BMW M240i Convertible 22.5 MPG$2133 $0.1422017–2021
116 Mazda MX-6 22.5 MPG$2133 $0.1421993–1997
117 Saab 9-3 Convertible 22.5 MPG$2133 $0.1421999–2012
118 Ford Probe 22.3 MPG$2152 $0.1431989–1997
119 Audi S5 22 MPG$2182 $0.1452008–2025
120 Audi S5 Cabriolet 22 MPG$2182 $0.1452010–2024
121 BMW 328ci 22 MPG$2182 $0.1452000–2011
122 BMW 335ci 22 MPG$2182 $0.1452007–2011
123 BMW 335ci Convertible 22 MPG$2182 $0.1452007–2012
124 BMW 640i xDrive Convertible 22 MPG$2182 $0.1452014–2018
125 Infiniti Q60 22 MPG$2182 $0.1452015–2022
126 Infiniti Q60 AWD 22 MPG$2182 $0.1452015–2022
127 Infiniti Q60 Red Sport 22 MPG$2182 $0.1452018–2022
128 Lexus RC 300 AWD 22 MPG$2182 $0.1452016–2025
129 Lexus RC 350 AWD 22 MPG$2182 $0.1452015–2025
130 Mercedes-Benz AMG C43 4matic Convertible 22 MPG$2182 $0.1452017–2023
131 Mercedes-Benz E350 Coupe 22 MPG$2182 $0.1452010–2015
132 Mitsubishi Eclipse 22 MPG$2182 $0.1451990–2012
133 Dodge Daytona 21.8 MPG$2202 $0.1471984–1993
134 Ford Mustang Convertible 21.8 MPG$2202 $0.1472011–2023
135 Pontiac Sunbird Convertible 21.8 MPG$2202 $0.1471985–1991
136 Audi A4 Cabriolet quattro 21.5 MPG$2233 $0.1492004–2009
137 BMW 128i 21.5 MPG$2233 $0.1492008–2013
138 BMW 135i 21.5 MPG$2233 $0.1492008–2013
139 Eagle Talon 21.4 MPG$2243 $0.1501990–1998
140 BMW 135i Convertible 21 MPG$2286 $0.1522008–2013
141 Chrysler LeBaron Convertible 21 MPG$2286 $0.1521984–1995
142 Ford Mustang 21 MPG$2286 $0.1521984–2026
143 Infiniti G37 Coupe 21 MPG$2286 $0.1522008–2013
144 Infiniti Q60 Red Sport AWD 21 MPG$2286 $0.1522018–2022
145 Mercedes-Benz AMG C43 4matic Coupe 21 MPG$2286 $0.1522017–2023
146 Mercedes-Benz CLK320 21 MPG$2286 $0.1521998–2005
147 Mercedes-Benz E550 Coupe 21 MPG$2286 $0.1522010–2017
148 Plymouth Laser 21 MPG$2286 $0.1521990–1994
149 Volvo C70 Convertible 21 MPG$2286 $0.1521998–2009
150 Hyundai Tiburon 20.8 MPG$2308 $0.1541998–2008
151 Subaru XT 4WD 20.8 MPG$2308 $0.1541985–1991
152 BMW 325ci 20.5 MPG$2341 $0.1562001–2006
153 BMW 328ci Convertible 20.5 MPG$2341 $0.1562007–2012
154 BMW 330ci 20.5 MPG$2341 $0.1562001–2006
155 Mercedes-Benz 190E 2.3 20.5 MPG$2341 $0.1561987–1993
156 Nissan 200SX 20.5 MPG$2341 $0.1561984–1988
157 Pontiac Firebird/Trans Am 20.3 MPG$2365 $0.1581988–2001
158 Audi RS 5 20 MPG$2400 $0.1602013–2021
159 BMW 325i Convertible 20 MPG$2400 $0.1601989–1995
160 BMW 325i/325is 20 MPG$2400 $0.1601989–1995
161 BMW 650i Convertible 20 MPG$2400 $0.1602012–2018
162 Chevrolet Cavalier Convertible 20 MPG$2400 $0.1601984–1991
163 Infiniti G37x Coupe 20 MPG$2400 $0.1602009–2013
164 Mercedes-Benz 190E 2.6 20 MPG$2400 $0.1601987–1993
165 Mercedes-Benz AMG C63 Convertible 20 MPG$2400 $0.1602017–2021
166 Mercedes-Benz AMG C63 Coupe 20 MPG$2400 $0.1602017–2021
167 Mercedes-Benz CLK320 (Cabriolet) 20 MPG$2400 $0.1602000–2005
168 Mercedes-Benz E550 Convertible 20 MPG$2400 $0.1602011–2017
169 Saab 900 Convertible 19.8 MPG$2424 $0.1621987–1997
170 BMW M4 Convertible 19.5 MPG$2462 $0.1642015–2020
171 Infiniti G37 Convertible 19.5 MPG$2462 $0.1642009–2013
172 Pontiac Firebird/Formula 19.5 MPG$2462 $0.1641993–1998
173 Bentley Continental GTC 19 MPG$2526 $0.1682007–2026
174 BMW 650i Coupe 19 MPG$2526 $0.1682012–2017
175 BMW 650i xDrive Convertible 19 MPG$2526 $0.1682014–2018
176 BMW M3 19 MPG$2526 $0.1681989–2021
177 BMW M4 Competition Coupe 19 MPG$2526 $0.1682021–2027
178 BMW M4 Coupe 19 MPG$2526 $0.1682015–2027
179 BMW M850i xDrive Convertible 19 MPG$2526 $0.1682019–2026
180 BMW M850i xDrive Coupe 19 MPG$2526 $0.1682019–2026
181 Hyundai Genesis Coupe 19 MPG$2526 $0.1682010–2016
182 Jaguar XK8 19 MPG$2526 $0.1681998–2006
183 Lexus RC F 19 MPG$2526 $0.1682015–2025
184 Lexus SC 300/SC 400 19 MPG$2526 $0.1681992–1998
185 Mercedes-Benz 300CE 19 MPG$2526 $0.1681988–1993
186 Mercedes-Benz AMG C63 S Convertible 19 MPG$2526 $0.1682017–2023
187 Mercedes-Benz AMG C63 S Coupe 19 MPG$2526 $0.1682017–2023
188 Chevrolet Camaro 18.8 MPG$2553 $0.1701984–2024
189 Mazda RX-8 18.5 MPG$2595 $0.1732004–2011
190 Nissan 300ZX 2x2 18.5 MPG$2595 $0.1731984–1996
191 BMW 3 Series 18.4 MPG$2609 $0.1741984–1988
192 Dodge Stealth 18.4 MPG$2609 $0.1741991–1996
193 Mitsubishi 3000 GT 18.4 MPG$2609 $0.1741991–1999
194 Toyota Supra 18.3 MPG$2623 $0.1751986–1998
195 Bentley Continental GT Convertible 18 MPG$2667 $0.1782015–2023
196 BMW 650ci 18 MPG$2667 $0.1782006–2010
197 BMW M4 Competition M xDrive Convertible 18 MPG$2667 $0.1782022–2027
198 BMW M4 Competition M xDrive Coupe 18 MPG$2667 $0.1782022–2027
199 Infiniti J30 18 MPG$2667 $0.1781993–1997
200 Jaguar XJS Coupe 18 MPG$2667 $0.1781989–1995
201 Jaguar XKR 18 MPG$2667 $0.1782000–2009
202 Lexus IS F 18 MPG$2667 $0.1782008–2014
203 Lexus LC 500 18 MPG$2667 $0.1782018–2026
204 Mitsubishi Starion 18 MPG$2667 $0.1781984–1989
205 Nissan GT-R 18 MPG$2667 $0.1782009–2024
206 Subaru SVX AWD 18 MPG$2667 $0.1781993–1997
207 Aston Martin Rapide S 17 MPG$2824 $0.1882014–2019
208 BMW 650ci Convertible 17 MPG$2824 $0.1882006–2010
209 BMW M8 Competition Convertible 17 MPG$2824 $0.1882020–2025
210 BMW M8 Competition Coupe 17 MPG$2824 $0.1882020–2025
211 Mercedes-Benz CLK55 AMG 17 MPG$2824 $0.1882001–2005
212 BMW M6 Convertible 16.5 MPG$2909 $0.1942007–2018
213 BMW M6 Coupe 16.5 MPG$2909 $0.1942013–2017
214 BMW M3 Coupe 16 MPG$3000 $0.2002008–2013
215 Ford Shelby GT350 Mustang 16 MPG$3000 $0.2002016–2020
216 Maserati GranTurismo 16 MPG$3000 $0.2002008–2018
217 Maserati GranTurismo Convertible 16 MPG$3000 $0.2002010–2019
218 Audi S4 Cabriolet 15.5 MPG$3097 $0.2062004–2009
219 BMW 850ci 15 MPG$3200 $0.2131993–1997
220 Roush Performance Stage 3 Mustang 14.5 MPG$3310 $0.2212001–2020
221 Bentley Continental Supersports Convertible 14 MPG$3429 $0.2292011–2018
222 BMW 6 Series 13.7 MPG$3504 $0.2341984–1988
223 BMW M6 13 MPG$3692 $0.2461989–2010
224 Bentley Continental T 12 MPG$4000 $0.2671998–2003
225 Bentley Azure 11 MPG$4364 $0.2911998–2010
226 Ferrari 456 MGT/MGA 11 MPG$4364 $0.2911999–2003
227 Rolls-Royce Continental 11 MPG$4364 $0.2911987–1995
228 Aston Martin Lagonda 9 MPG$5333 $0.3561984–1989
229 Aston Martin Saloon/Vantage/Volante 9 MPG$5333 $0.3561984–1989

Current model-year figures, $3.20/gal fixed JUL 2026, 15,000 miles a year. Electric models are rated in MPGe and are not directly comparable on fuel cost.

SOURCE·US EPA fuel-economy test data·FUEL ASSUMED AT $3.20/GAL FROM JUL 2026·REVIEWED JUL 2026

How this is worked out

  1. Start from the EPA combined figure for the model year — a laboratory test cycle run to a fixed procedure, not a road result. Where a year sold several engines or drivetrains, the trims are averaged and the trim count is printed beside the row so you can see how much averaging is behind it.
  2. Fix a pump price. This site keeps one reference price, $3.20 a US gallon, fixed JUL 2026 and printed next to every dollar figure it produces. It is an assumption with a date on it, not a quote — put your own price in.
  3. Fix an annual distance. Every annual figure on this site uses 15,000 miles a year, roughly the US average. A cost per year with no stated distance is not a number, it is a mood.
  4. Divide distance by economy for gallons, multiply by price for the year's fuel, divide price by economy for one mile. The per-kilometre line is that last figure divided by 1.609344 — the same money, in the unit most of the world drives in.
  5. Stop there. No depreciation, no tyres, no insurance, no servicing. This is the fuel line of the ledger and it is labelled as one; depreciation usually dwarfs everything on it.
gallons/yr = miles/yr ÷ MPG
fuel  $/yr = gallons/yr × $/gal
cost  $/mi = $/gal ÷ MPG
cost  $/km = cost $/mi ÷ 1.609344

The full method, the licence note, and what a test figure cannot tell you →

See all 10 sites in this family, with what each one answers

Published by

Amit Sharma

Auckland real-estate agent and marketer. Builds free, sourced data tools.