Top 10
Full ranking
| # | Vehicle | Combined | vs avg | CO2 | Weight | Recalls | NCAP |
|---|---|---|---|---|---|---|---|
| 1 | 2015 Hyundai Sonata | 7.6 l/100km | — | 177.7 g/km | 1,590 kg | 9 | 5 |
| 2 | 2015 Tesla Model S (85 kW-hr battery pack) | 2.6 l/100km | — | — | 2,239 kg | 9 | — |
| 3 | 2015 Dodge Charger | 10.2 l/100km | — | 241.7 g/km | 1,785 kg | 8 | — |
| 4 | 2015 Chevrolet SS | 13.8 l/100km | — | 325 g/km | 1,997.6 kg | 7 | — |
| 5 | 2015 Ford Taurus AWD | 11.2 l/100km | — | 264.7 g/km | 2,155.5 kg | 6 | 5 |
| 6 | 2015 Hyundai Genesis AWD | 12.4 l/100km | — | 285.8 g/km | 2,142.8 kg | 6 | 5 |
| 7 | 2015 Chrysler 300 | 10.2 l/100km | — | 241.7 g/km | 1,937 kg | 5 | — |
| 8 | 2015 BMW 740ld xDrive | 9.1 l/100km | — | 240.5 g/km | 2,125.1 kg | 3 | — |
| 9 | 2015 Cadillac XTS | 11.2 l/100km | — | 260.4 g/km | 1,817 kg | 3 | 5 |
| 10 | 2015 Chevrolet Impala | 9.4 l/100km | — | 220.6 g/km | 1,717 kg | 3 | 5 |
| 11 | 2015 Jaguar XJ | 13.1 l/100km | — | 312.5 g/km | 1,762 kg | 3 | — |
| 12 | 2015 Lincoln Mks AWD | 11.2 l/100km | — | 264.1 g/km | 1,940 kg | 3 | 5 |
| 13 | 2015 Porsche Panamera | 10.7 l/100km | — | 256.6 g/km | 2,070 kg | 3 | — |
| 14 | 2015 Kia Cadenza | 10.7 l/100km | — | 251 g/km | 1,660 kg | 2 | — |
| 15 | 2015 Kia K900 | 13.1 l/100km | — | 307 g/km | 2,066 kg | 2 | — |
| 16 | 2015 BMW 740i | 10.7 l/100km | — | 246.1 g/km | 2,135.5 kg | 1 | — |
| 17 | 2015 BMW 740li | 10.7 l/100km | — | 246.1 g/km | 2,135.5 kg | 1 | — |
| 18 | 2015 BMW 750i | 11.8 l/100km | — | 272.8 g/km | 2,290.6 kg | 1 | — |
| 19 | 2015 BMW 750li | 12.4 l/100km | — | 287.7 g/km | 2,290.6 kg | 1 | — |
| 20 | 2015 BMW 760li | 15.7 l/100km | — | 362.9 g/km | 2,274.8 kg | 1 | — |
| 21 | 2015 Hyundai Azera | 10.2 l/100km | — | 243 g/km | 1,754.9 kg | 1 | — |
| 22 | 2015 Hyundai Equus | 13.1 l/100km | — | 311.9 g/km | 2,052 kg | 1 | — |
| 23 | 2015 Mercedes-Benz S550e | 9.1 l/100km | — | 141.1 g/km | — | 1 | — |
| 24 | 2015 Rolls-Royce Ghost | 15.7 l/100km | — | 360.4 g/km | 2,520 kg | 1 | — |
| 25 | 2015 Rolls-Royce Phantom | 16.8 l/100km | — | 396.4 g/km | 2,694 kg | 1 | — |
Related rankings
How this ranking works
Values come from FuelEconomy.gov, EPA certification data and NHTSA records shown on each vehicle's page. Only the best-placed version of each model family is listed, so one model cannot fill the list. Electric vehicles are excluded from fuel-consumption rankings and ranked by range instead.
Related calculators
Fuel economy and trip costFuel economy unit converter · Trip fuel and cost · Annual savings from better economyFuel savings and break-evenBreak-even distance for a more economical vehicle · Fuel price at which two vehicles cost the same · Running cost per 100 kmPower-to-weightPower-to-weight ratio · Torque-to-weight ratio · Power needed for a target ratioEV range and consumptionDriving range from battery and consumption · Energy consumption unit converter · Battery health and capacity loss
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