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
2020 BMW 3 SeriesSedan, Gasoline
2.0L 4-cylinder turbocharged (SIDI) · 255 hp (190 kW) · Varies by configuration: RWD, AWD
30 mpg (7.8 L/100 km) to 28 mpg (8.4 L/100 km)- 2020 Mazda MX-5
Convertible, Gasoline
2.0L 4-cylinder (SIDI) · 181 hp (135 kW) · RWD
30 mpg (7.8 L/100 km) to 29 mpg (8.1 L/100 km) - 2020 Fiat 124 Spider
Gasoline
1.4L 4-cylinder turbocharged · RWD
30 mpg (7.8 L/100 km) to 29 mpg (8.1 L/100 km)
2020 Lexus RXSUV, Varies by configuration: Gasoline, Hybrid
Varies by configuration: 3.5L 6-cylinder (SIDI & PFI), 3.5L 6-cylinder (SIDI & PFI; Hybrid) · 245 hp (183 kW) · Varies by configuration: FWD, AWD
30 mpg (7.8 L/100 km) to 21 mpg (11.2 L/100 km)- 2020 Hyundai Veloster
Gasoline
Varies by configuration: 2.0L 4-cylinder, 1.6L 4-cylinder turbocharged (SIDI), 2.0L 4-cylinder turbocharged (SIDI) · FWD
30 mpg (7.8 L/100 km) to 25 mpg (9.4 L/100 km)
2020 Mazda 3Sedan, Gasoline
Varies by configuration: 2.5L 4-cylinder (SIDI), 2.5L 4-cylinder (SIDI; Without Cylinder Deactivation) · 190 hp (142 kW) · Varies by configuration: 4WD, FWD
30 mpg (7.8 L/100 km) to 27 mpg (8.7 L/100 km)- 2019 Fiat 124 Spider
Gasoline
1.4L 4-cylinder turbocharged · RWD
30 mpg (7.8 L/100 km) to 29 mpg (8.1 L/100 km) - 2019 Lexus LC
Coupe, Varies by configuration: Gasoline, Hybrid
Varies by configuration: 5.0L 8-cylinder (SIDI & PFI), 3.5L 6-cylinder (SIDI & PFI; Hybrid) · 471 hp (351 kW) · RWD
30 mpg (7.8 L/100 km) to 19 mpg (12.4 L/100 km) - 2019 Audi A4
Sedan, Gasoline
2.0L 4-cylinder turbocharged (SIDI) · 201 hp (150 kW) · Varies by configuration: AWD, FWD
30 mpg (7.8 L/100 km) to 25 mpg (9.4 L/100 km) - 2019 Fiat 500
Wagon, Gasoline
Varies by configuration: 1.4L 4-cylinder turbocharged, 1.3L 4-cylinder turbocharged (SIDI) · Varies by configuration: FWD, AWD
30 mpg (7.8 L/100 km) to 25 mpg (9.4 L/100 km)
2019 Mazda 3Sedan, Gasoline
Varies by configuration: 2.5L 4-cylinder (SIDI; Without Cylinder Deactivation), 2.5L 4-cylinder (SIDI) · 190 hp (142 kW) · Varies by configuration: FWD, 4WD
30 mpg (7.8 L/100 km) to 27 mpg (8.7 L/100 km)
2019 Lexus RXSUV, Varies by configuration: Gasoline, Hybrid
Varies by configuration: 3.5L 6-cylinder (SIDI & PFI), 3.5L 6-cylinder (SIDI & PFI; Hybrid) · 245 hp (183 kW) · Varies by configuration: FWD, AWD
30 mpg (7.8 L/100 km) to 21 mpg (11.2 L/100 km)- 2019 Hyundai Kona
SUV, Varies by configuration: Gasoline, Electric
Varies by configuration: 1.6L 4-cylinder turbocharged (SIDI), 2.0L 4-cylinder (SIDI) · Varies by configuration: FWD, AWD
30 mpg (7.8 L/100 km) to 27 mpg (8.7 L/100 km)
2019 BMW 3 SeriesSedan, Gasoline
Varies by configuration: 2.0L 4-cylinder turbocharged (SIDI), 3.0L 6-cylinder turbocharged (SIDI) · 255 hp (190 kW) · Varies by configuration: AWD, RWD
30 mpg (7.8 L/100 km) to 23 mpg (10.2 L/100 km)
2019 Honda CR-VSUV, Gasoline
Varies by configuration: 2.4L 4-cylinder (SIDI), 1.5L 4-cylinder turbocharged (SIDI) · 204 hp (152 kW) · Varies by configuration: FWD, AWD
30 mpg (7.8 L/100 km) to 27 mpg (8.7 L/100 km)- 2019 Mazda MX-5
Convertible, Gasoline
2.0L 4-cylinder (SIDI) · 181 hp (135 kW) · RWD
30 mpg (7.8 L/100 km) to 29 mpg (8.1 L/100 km) - 2019 Honda HR-V
Wagon, Gasoline
1.8L 4-cylinder · Varies by configuration: FWD, 4WD
30 mpg (7.8 L/100 km) to 28 mpg (8.4 L/100 km) - 2019 Hyundai Veloster
Gasoline
Varies by configuration: 2.0L 4-cylinder, 1.6L 4-cylinder turbocharged (SIDI), 2.0L 4-cylinder turbocharged (SIDI) · FWD
30 mpg (7.8 L/100 km) to 25 mpg (9.4 L/100 km)
2018 BMW 5 SeriesVaries by configuration: Plug-in hybrid, Gasoline, Diesel
Varies by configuration: 2.0L 4-cylinder turbocharged (SIDI; PHEV), 2.0L 4-cylinder turbocharged (SIDI), 3.0L 6-cylinder turbocharged (SIDI), 3.0L 6-cylinder turbocharged · Varies by configuration: RWD, AWD
30 mpg (7.8 L/100 km) to 23 mpg (10.2 L/100 km)
2018 Honda CR-VSUV, Gasoline
Varies by configuration: 2.4L 4-cylinder (SIDI), 1.5L 4-cylinder turbocharged (SIDI) · 204 hp (152 kW) · Varies by configuration: FWD, AWD
30 mpg (7.8 L/100 km) to 27 mpg (8.7 L/100 km)- 2018 Hyundai Kona
SUV, Gasoline
Varies by configuration: 1.6L 4-cylinder turbocharged (SIDI), 2.0L 4-cylinder (SIDI) · Varies by configuration: FWD, AWD
30 mpg (7.8 L/100 km) to 27 mpg (8.7 L/100 km) - 2018 Fiat 500
Gasoline
1.4L 4-cylinder turbocharged · FWD
30 mpg (7.8 L/100 km) to 27 mpg (8.7 L/100 km) - 2018 Buick Encore
SUV, Gasoline
Varies by configuration: 1.4L 4-cylinder turbocharged (SIDI; Stop-Start), 1.4L 4-cylinder turbocharged (SIDI), 1.4L 4-cylinder turbocharged · Varies by configuration: FWD, AWD
30 mpg (7.8 L/100 km) to 27 mpg (8.7 L/100 km)
2018 Lexus RXSUV, Varies by configuration: Gasoline, Hybrid
3.5L 6-cylinder (SIDI & PFI) · 245 hp (183 kW) · Varies by configuration: FWD, AWD
30 mpg (7.8 L/100 km) to 21 mpg (11.2 L/100 km)