Most Fuel-Efficient Cars
Vehicles ranked by the lowest combined fuel consumption our sources publish. Figures are as listed by each source and test cycles differ between markets.
11,811 vehicles
- 2015 Lexus GS
Varies by configuration: Gasoline, Hybrid
3.5L 6-cylinder (SIDI & PFI) · Varies by configuration: AWD, RWD
31 mpg (7.6 L/100 km) to 21 mpg (11.2 L/100 km) - 2015 Subaru Impreza/Outback Sport
Wagon, Gasoline
2.0L 4-cylinder · 182 hp (136 kW) · AWD
31 mpg (7.6 L/100 km) to 27 mpg (8.7 L/100 km) - 2014 Mazda 2
Gasoline
1.5L 4-cylinder · FWD
31 mpg (7.6 L/100 km) to 30 mpg (7.8 L/100 km) - 2014 Nissan Altima
Gasoline
Varies by configuration: 2.5L 4-cylinder, 3.5L 6-cylinder · FWD
31 mpg (7.6 L/100 km) to 25 mpg (9.4 L/100 km) - 2014 Kia Rio
Gasoline
1.6L 4-cylinder (SIDI) · FWD
31 mpg (7.6 L/100 km) to 30 mpg (7.8 L/100 km) 
2014 Hyundai ElantraGasoline
Varies by configuration: 2.0L 4-cylinder (SIDI), 1.8L 4-cylinder · FWD
31 mpg (7.6 L/100 km) to 27 mpg (8.7 L/100 km)- 2014 Infiniti Q70
Varies by configuration: Gasoline, Hybrid
Varies by configuration: 5.6L 8-cylinder, 3.5L 6-cylinder, 3.7L 6-cylinder · Varies by configuration: RWD, AWD
31 mpg (7.6 L/100 km) to 18 mpg (13.1 L/100 km) - 2014 Infiniti Q50
Varies by configuration: Gasoline, Hybrid
Varies by configuration: 3.7L 6-cylinder, 3.5L 6-cylinder · Varies by configuration: RWD, AWD
31 mpg (7.6 L/100 km) to 22 mpg (10.7 L/100 km) - 2014 Lexus GS
Varies by configuration: Gasoline, Hybrid
3.5L 6-cylinder (SIDI & PFI) · Varies by configuration: AWD, RWD
31 mpg (7.6 L/100 km) to 21 mpg (11.2 L/100 km) - 2014 Hyundai Accent
Gasoline
1.6L 4-cylinder (SIDI) · FWD
31 mpg (7.6 L/100 km) to 30 mpg (7.8 L/100 km) - 2013 Lexus GS
Varies by configuration: Gasoline, Hybrid
3.5L 6-cylinder · Varies by configuration: RWD, AWD
31 mpg (7.6 L/100 km) to 21 mpg (11.2 L/100 km) - 2013 Nissan Altima
Gasoline
Varies by configuration: 2.5L 4-cylinder, 3.5L 6-cylinder · FWD
31 mpg (7.6 L/100 km) to 25 mpg (9.4 L/100 km) - 2013 Mazda 2
Gasoline
1.5L 4-cylinder · FWD
31 mpg (7.6 L/100 km) to 30 mpg (7.8 L/100 km) - 2013 Hyundai Veloster
Gasoline
Varies by configuration: 1.6L 4-cylinder (SIDI), 1.6L 4-cylinder turbocharged (SIDI) · FWD
31 mpg (7.6 L/100 km) to 27 mpg (8.7 L/100 km) - 2012 Hyundai Veloster
Gasoline
1.6L 4-cylinder (SIDI) · FWD
31 mpg (7.6 L/100 km) to 30 mpg (7.8 L/100 km) - 2012 Honda Fit
Wagon, Gasoline
1.5L 4-cylinder · FWD
31 mpg (7.6 L/100 km) to 29 mpg (8.1 L/100 km) - 2012 Mazda 2
Gasoline
1.5L 4-cylinder · FWD
31 mpg (7.6 L/100 km) to 30 mpg (7.8 L/100 km) - 2011 Honda Fit
Wagon, Gasoline
1.5L 4-cylinder · FWD
31 mpg (7.6 L/100 km) to 29 mpg (8.1 L/100 km) - 2011 Toyota Yaris
Gasoline
1.5L 4-cylinder · FWD
31 mpg (7.6 L/100 km) - 2011 Mazda 2
Gasoline
1.5L 4-cylinder · FWD
31 mpg (7.6 L/100 km) to 29 mpg (8.1 L/100 km) - 2010 Hyundai Accent
Gasoline
1.6L 4-cylinder · FWD
31 mpg (7.6 L/100 km) to 30 mpg (7.8 L/100 km) - 2010 Kia Rio
Gasoline
1.6L 4-cylinder · FWD
31 mpg (7.6 L/100 km) to 30 mpg (7.8 L/100 km) - 2010 MINI Clubman
Gasoline
Varies by configuration: 1.6L 4-cylinder, 1.6L 4-cylinder turbocharged · FWD
31 mpg (7.6 L/100 km) to 27 mpg (8.7 L/100 km) - 2010 Honda Fit
Wagon, Gasoline
1.5L 4-cylinder · FWD
31 mpg (7.6 L/100 km) to 29 mpg (8.1 L/100 km)