Shelf order · Two Seaters
Most efficient
Most efficient
two seaters
105 models ranked on the EPA's own combined figure — no manufacturer claims, no road tests, no paid placement. Topped by the smart fortwo electric drive coupe at 108 MPGe.
Ranked on the test sheet, best first
| # | Model | Combined | Fuel/yr | Per mile | Years |
|---|---|---|---|---|---|
| 1 | smart fortwo electric drive coupe | 108 MPGe | $444 | $0.030 | 2011–2018 |
| 2 | smart fortwo electric drive convertible | 102 MPGe | $471 | $0.031 | 2013–2018 |
| 3 | Honda Insight | 52 MPG | $923 | $0.062 | 2000–2022 |
| 4 | Honda Civic CRX HF | 41 MPG | $1171 | $0.078 | 1985–1991 |
| 5 | Honda CR-Z | 34.5 MPG | $1391 | $0.093 | 2011–2016 |
| 6 | smart fortwo cabriolet | 34.5 MPG | $1391 | $0.093 | 2010–2017 |
| 7 | smart fortwo coupe | 34.5 MPG | $1391 | $0.093 | 2008–2017 |
| 8 | Mazda MX-5 | 29 MPG | $1655 | $0.110 | 2006–2026 |
| 9 | Alfa Romeo 4C | 28 MPG | $1714 | $0.114 | 2015–2020 |
| 10 | BMW Z4 sDrive30i | 28 MPG | $1714 | $0.114 | 2009–2026 |
| 11 | Honda Civic CRX | 27.7 MPG | $1733 | $0.116 | 1984–1991 |
| 12 | Audi TT Roadster quattro | 26 MPG | $1846 | $0.123 | 2001–2022 |
| 13 | BMW Z4 sDrive28i | 26 MPG | $1846 | $0.123 | 2012–2016 |
| 14 | Ford EXP | 26 MPG | $1846 | $0.123 | 1984–1988 |
| 15 | Jaguar F-Type Convertible | 26 MPG | $1846 | $0.123 | 2014–2021 |
| 16 | Jaguar F-Type Coupe | 26 MPG | $1846 | $0.123 | 2015–2021 |
| 17 | Toyota MR2 | 25.5 MPG | $1882 | $0.125 | 1985–2005 |
| 18 | Audi TT Roadster | 25 MPG | $1920 | $0.128 | 2001–2023 |
| 19 | Toyota GR Supra | 24.3 MPG | $1975 | $0.132 | 2020–2026 |
| 20 | Mercedes-Benz SLK350 | 24 MPG | $2000 | $0.133 | 2005–2016 |
| 21 | BMW Z4 M40i | 23.5 MPG | $2043 | $0.136 | 2020–2026 |
| 22 | Porsche 718 Boxster | 23 MPG | $2087 | $0.139 | 2021–2025 |
| 23 | Porsche 718 Cayman | 23 MPG | $2087 | $0.139 | 2021–2025 |
| 24 | Porsche Boxster | 23 MPG | $2087 | $0.139 | 1997–2020 |
| 25 | Porsche Cayman | 23 MPG | $2087 | $0.139 | 2007–2020 |
| 26 | Subaru XT-DL | 23 MPG | $2087 | $0.139 | 1985–1989 |
| 27 | Lotus Elise/Exige | 22.5 MPG | $2133 | $0.142 | 2006–2011 |
| 28 | Alfa Romeo Spider | 22 MPG | $2182 | $0.145 | 1986–1994 |
| 29 | Bertone X1/9 | 22 MPG | $2182 | $0.145 | 1984–1989 |
| 30 | Jaguar F-Type S Convertible | 22 MPG | $2182 | $0.145 | 2014–2021 |
| 31 | Jaguar F-Type S Coupe | 22 MPG | $2182 | $0.145 | 2015–2021 |
| 32 | Mercedes-Benz SLK55 AMG | 22 MPG | $2182 | $0.145 | 2005–2015 |
| 33 | Pontiac Solstice | 22 MPG | $2182 | $0.145 | 2006–2010 |
| 34 | Mazda MX-5 Miata | 21.8 MPG | $2202 | $0.147 | 1990–2005 |
| 35 | Pontiac Fiero | 21.5 MPG | $2233 | $0.149 | 1984–1988 |
| 36 | Porsche 718 Boxster S | 21.5 MPG | $2233 | $0.149 | 2021–2025 |
| 37 | Porsche 718 Cayman S | 21.5 MPG | $2233 | $0.149 | 2021–2025 |
| 38 | Porsche Boxster S | 21.5 MPG | $2233 | $0.149 | 2000–2020 |
| 39 | Porsche Cayman S | 21.5 MPG | $2233 | $0.149 | 2006–2020 |
| 40 | Acura NSX Hybrid | 21 MPG | $2286 | $0.152 | 2017–2022 |
| 41 | Honda S2000 | 21 MPG | $2286 | $0.152 | 2000–2009 |
| 42 | Jaguar F-Type S AWD Convertible | 21 MPG | $2286 | $0.152 | 2016–2021 |
| 43 | Jaguar F-Type S AWD Coupe | 21 MPG | $2286 | $0.152 | 2016–2021 |
| 44 | Mercedes-Benz SLK230 Kompressor | 21 MPG | $2286 | $0.152 | 1999–2003 |
| 45 | Nissan 370Z Roadster | 21 MPG | $2286 | $0.152 | 2010–2020 |
| 46 | Aston Martin Vantage V8 | 20 MPG | $2400 | $0.160 | 2019–2023 |
| 47 | BMW Z3 Roadster | 20 MPG | $2400 | $0.160 | 1996–2002 |
| 48 | Mercedes-Benz SL550 | 20 MPG | $2400 | $0.160 | 2007–2020 |
| 49 | Nissan 350z | 20 MPG | $2400 | $0.160 | 2003–2008 |
| 50 | Nissan 370Z | 20 MPG | $2400 | $0.160 | 2010–2021 |
| 51 | Porsche 718 Boxster GTS | 20 MPG | $2400 | $0.160 | 2021–2025 |
| 52 | Porsche 718 Cayman GTS | 20 MPG | $2400 | $0.160 | 2021–2025 |
| 53 | Nissan 350z Roadster | 19.5 MPG | $2462 | $0.164 | 2004–2009 |
| 54 | BMW Z4 sDrive35i | 19 MPG | $2526 | $0.168 | 2009–2016 |
| 55 | BMW Z4 sDrive35is | 19 MPG | $2526 | $0.168 | 2011–2016 |
| 56 | Lotus Esprit Turbo | 19 MPG | $2526 | $0.168 | 1985–1995 |
| 57 | Mercedes-Benz SL63 AMG | 19 MPG | $2526 | $0.168 | 2009–2015 |
| 58 | Nissan 300ZX | 18.3 MPG | $2623 | $0.175 | 1984–1996 |
| 59 | Acura NSX | 18 MPG | $2667 | $0.178 | 1991–2005 |
| 60 | Cadillac XLR | 18 MPG | $2667 | $0.178 | 2004–2009 |
| 61 | Chevrolet Corvette | 18 MPG | $2667 | $0.178 | 1984–2027 |
| 62 | Jaguar F-Type R AWD Convertible | 18 MPG | $2667 | $0.178 | 2016–2024 |
| 63 | Jaguar F-Type R AWD Coupe | 18 MPG | $2667 | $0.178 | 2016–2024 |
| 64 | Jaguar XJS Convertible | 18 MPG | $2667 | $0.178 | 1989–1996 |
| 65 | Mazda RX-7 | 18 MPG | $2667 | $0.178 | 1984–1995 |
| 66 | McLaren Automotive 570S Coupe | 18 MPG | $2667 | $0.178 | 2016–2020 |
| 67 | McLaren Automotive 720S Coupe | 18 MPG | $2667 | $0.178 | 2018–2022 |
| 68 | Mercedes-Benz SL500 | 17 MPG | $2824 | $0.188 | 1994–2006 |
| 69 | Mercedes-Benz SL65 AMG | 17 MPG | $2824 | $0.188 | 2005–2015 |
| 70 | Audi R8 | 16 MPG | $3000 | $0.200 | 2008–2021 |
| 71 | Dodge Viper Convertible | 16 MPG | $3000 | $0.200 | 1998–2010 |
| 72 | Dodge Viper Coupe | 16 MPG | $3000 | $0.200 | 1998–2010 |
| 73 | Lotus Esprit V8 | 16 MPG | $3000 | $0.200 | 1997–2004 |
| 74 | Mercedes-Benz 500SL | 16 MPG | $3000 | $0.200 | 1985–1993 |
| 75 | Porsche 911 GT3 RS | 16 MPG | $3000 | $0.200 | 2007–2024 |
| 76 | Aston Martin V8 Vantage | 15.5 MPG | $3097 | $0.206 | 2006–2016 |
| 77 | Aston Martin V8 Vantage S | 15.5 MPG | $3097 | $0.206 | 2011–2016 |
| 78 | Lamborghini Gallardo Coupe | 15.5 MPG | $3097 | $0.206 | 2007–2014 |
| 79 | Audi R8 Spyder | 15 MPG | $3200 | $0.213 | 2011–2022 |
| 80 | Cadillac Allante | 15 MPG | $3200 | $0.213 | 1987–1993 |
| 81 | Chevrolet Corvette Z06 | 15 MPG | $3200 | $0.213 | 2019–2027 |
| 82 | Lamborghini Gallardo Spyder | 15 MPG | $3200 | $0.213 | 2007–2014 |
| 83 | Lamborghini Huracan | 15 MPG | $3200 | $0.213 | 2015–2021 |
| 84 | Lamborghini Huracan 2WD | 15 MPG | $3200 | $0.213 | 2017–2021 |
| 85 | Lamborghini Huracan Spyder | 15 MPG | $3200 | $0.213 | 2016–2024 |
| 86 | Lamborghini Huracan Spyder 2WD | 15 MPG | $3200 | $0.213 | 2017–2023 |
| 87 | Porsche 911 GT3 | 15 MPG | $3200 | $0.213 | 2007–2026 |
| 88 | Porsche 911 GT3 Touring | 15 MPG | $3200 | $0.213 | 2018–2026 |
| 89 | Ferrari 458 Italia | 14.5 MPG | $3310 | $0.221 | 2010–2015 |
| 90 | Chevrolet Corvette Z06 Carbon Aero | 14 MPG | $3429 | $0.229 | 2023–2027 |
| 91 | Dodge Viper | 14 MPG | $3429 | $0.229 | 1992–2017 |
| 92 | Ford GT | 14 MPG | $3429 | $0.229 | 2005–2022 |
| 93 | Mercedes-Benz SL55 AMG | 14 MPG | $3429 | $0.229 | 2003–2008 |
| 94 | Mercedes-Benz SL600 | 14 MPG | $3429 | $0.229 | 1994–2009 |
| 95 | Ferrari 348 TB/TS | 13 MPG | $3692 | $0.246 | 1989–1993 |
| 96 | Ferrari F430 | 13 MPG | $3692 | $0.246 | 2005–2009 |
| 97 | Mercedes-Benz SLR | 13 MPG | $3692 | $0.246 | 2005–2009 |
| 98 | Bugatti Chiron | 11 MPG | $4364 | $0.291 | 2018–2023 |
| 99 | Ferrari Testarossa | 11 MPG | $4364 | $0.291 | 1985–1992 |
| 100 | Lamborghini Aventador Coupe | 11 MPG | $4364 | $0.291 | 2012–2022 |
| 101 | Lamborghini Aventador Roadster | 11 MPG | $4364 | $0.291 | 2013–2022 |
| 102 | Mercedes-Benz 560SL | 11 MPG | $4364 | $0.291 | 1986–1992 |
| 103 | Bugatti Veyron | 10 MPG | $4800 | $0.320 | 2006–2015 |
| 104 | Lamborghini DB132/Diablo | 10 MPG | $4800 | $0.320 | 1990–1996 |
| 105 | Lamborghini Countach | 7 MPG | $6857 | $0.457 | 1986–1990 |
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
- 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.
- 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.
- 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.
- 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.
- 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 →
