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
- 2018 GMC Terrain
SUV, Varies by configuration: Gasoline, Diesel
Varies by configuration: 2.0L 4-cylinder turbocharged (SIDI), 1.5L 4-cylinder turbocharged (SIDI), 1.6L 4-cylinder turbocharged · Varies by configuration: FWD, AWD
32 mpg (7.4 L/100 km) to 23 mpg (10.2 L/100 km) - 2018 Kia Rio
Gasoline
1.6L 4-cylinder (SIDI) · FWD
32 mpg (7.4 L/100 km) - 2018 Hyundai Accent
Gasoline
1.6L 4-cylinder (SIDI) · FWD
32 mpg (7.4 L/100 km) to 31 mpg (7.6 L/100 km) - 2018 Nissan Sentra
Gasoline
Varies by configuration: 1.8L 4-cylinder, 1.6L 4-cylinder turbocharged (SIDI) · FWD
32 mpg (7.4 L/100 km) to 27 mpg (8.7 L/100 km) - 2018 Subaru Impreza
Gasoline
2.0L 4-cylinder (SIDI) · AWD
32 mpg (7.4 L/100 km) to 25 mpg (9.4 L/100 km) - 2018 Chevrolet Sonic
Gasoline
Varies by configuration: 1.4L 4-cylinder turbocharged, 1.8L 4-cylinder · FWD
32 mpg (7.4 L/100 km) to 28 mpg (8.4 L/100 km) 
2017 Mazda 3Sedan, Gasoline
Varies by configuration: 2.0L 4-cylinder (SIDI), 2.5L 4-cylinder (SIDI), 2.5L 4-cylinder (SIDI; with i-ELOOP Technology Package) · 190 hp (142 kW) · FWD
32 mpg (7.4 L/100 km) to 28 mpg (8.4 L/100 km)- 2017 Kia Forte
Gasoline
Varies by configuration: 2.0L 4-cylinder (SIDI), 2.0L 4-cylinder, 1.6L 4-cylinder turbocharged (SIDI) · FWD
32 mpg (7.4 L/100 km) to 25 mpg (9.4 L/100 km) - 2017 Subaru Impreza/Outback Sport
Wagon, Gasoline
2.0L 4-cylinder (SIDI) · 182 hp (136 kW) · AWD
32 mpg (7.4 L/100 km) to 25 mpg (9.4 L/100 km) - 2017 Chevrolet Sonic
Gasoline
Varies by configuration: 1.8L 4-cylinder, 1.4L 4-cylinder turbocharged · FWD
32 mpg (7.4 L/100 km) to 28 mpg (8.4 L/100 km) - 2017 Nissan Sentra
Gasoline
Varies by configuration: 1.8L 4-cylinder, 1.6L 4-cylinder turbocharged (SIDI) · FWD
32 mpg (7.4 L/100 km) to 27 mpg (8.7 L/100 km) 
2017 MINI CooperHatchback, Gasoline
Varies by configuration: 1.5L 3-cylinder turbocharged (SIDI), 2.0L 4-cylinder turbocharged (SIDI) · 201 hp (150 kW) · FWD
32 mpg (7.4 L/100 km) to 26 mpg (9.0 L/100 km)
2017 Toyota RAV4SUV, Varies by configuration: Gasoline, Hybrid
2.5L 4-cylinder · 219 hp (163 kW) · Varies by configuration: FWD, AWD
32 mpg (7.4 L/100 km) to 24 mpg (9.8 L/100 km)- 2016 Chevrolet Sonic
Gasoline
Varies by configuration: 1.4L 4-cylinder turbocharged, 1.8L 4-cylinder · FWD
32 mpg (7.4 L/100 km) to 28 mpg (8.4 L/100 km) - 2016 Dodge Dart
Varies by configuration: Gasoline, Flex fuel
Varies by configuration: 2.0L 4-cylinder, 1.4L 4-cylinder turbocharged, 2.4L 4-cylinder, 2.0L 4-cylinder (FFV) · FWD
32 mpg (7.4 L/100 km) to 25 mpg (9.4 L/100 km) - 2016 MINI Cooper
Hatchback, Gasoline
Varies by configuration: 2.0L 4-cylinder turbocharged (SIDI), 1.5L 3-cylinder turbocharged (SIDI) · 201 hp (150 kW) · FWD
32 mpg (7.4 L/100 km) to 26 mpg (9.0 L/100 km) - 2016 Mazda 6
Gasoline
Varies by configuration: 2.5L 4-cylinder (SIDI), 2.5L 4-cylinder (SIDI; with i-ELOOP Technology Package) · FWD
32 mpg (7.4 L/100 km) to 29 mpg (8.1 L/100 km) - 2016 Toyota RAV4
SUV, Varies by configuration: Gasoline, Hybrid
2.5L 4-cylinder · 219 hp (163 kW) · Varies by configuration: FWD, AWD
32 mpg (7.4 L/100 km) to 24 mpg (9.8 L/100 km) - 2016 Lexus NX
SUV, Varies by configuration: Hybrid, Gasoline
Varies by configuration: 2.5L 4-cylinder, 2.0L 4-cylinder turbocharged (SIDI & PFI) · Varies by configuration: FWD, AWD
32 mpg (7.4 L/100 km) to 24 mpg (9.8 L/100 km) - 2015 Lexus NX
SUV, Varies by configuration: Hybrid, Gasoline
Varies by configuration: 2.5L 4-cylinder, 2.0L 4-cylinder turbocharged (SIDI & PFI) · Varies by configuration: FWD, AWD
32 mpg (7.4 L/100 km) to 24 mpg (9.8 L/100 km) - 2015 Chevrolet Sonic
Gasoline
Varies by configuration: 1.4L 4-cylinder turbocharged, 1.8L 4-cylinder · FWD
32 mpg (7.4 L/100 km) to 28 mpg (8.4 L/100 km) - 2015 MINI Cooper
Hatchback, Gasoline
Varies by configuration: 1.6L 4-cylinder, 1.6L 4-cylinder turbocharged (SIDI), 1.5L 3-cylinder turbocharged (SIDI), 2.0L 4-cylinder turbocharged (SIDI) · 201 hp (150 kW) · FWD
32 mpg (7.4 L/100 km) to 27 mpg (8.7 L/100 km) - 2015 Dodge Dart
Varies by configuration: Gasoline, Flex fuel
Varies by configuration: 2.4L 4-cylinder, 1.4L 4-cylinder turbocharged, 2.0L 4-cylinder (FFV), 2.0L 4-cylinder · FWD
32 mpg (7.4 L/100 km) to 25 mpg (9.4 L/100 km) - 2015 Mazda 6
Gasoline
Varies by configuration: 2.5L 4-cylinder (SIDI), 2.5L 4-cylinder (SIDI; with i-ELOOP Technology Package) · FWD
32 mpg (7.4 L/100 km) to 29 mpg (8.1 L/100 km)