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
- 2011 Smart fortwo
Varies by configuration: Gasoline, Electric
1.0L 3-cylinder · RWD
36 mpg (6.5 L/100 km) - 2011 Hyundai Sonata
Varies by configuration: Gasoline, Hybrid
Varies by configuration: 2.4L 4-cylinder (SIDI), 2.0L 4-cylinder turbocharged (SIDI), 2.4L 4-cylinder · FWD
36 mpg (6.5 L/100 km) to 26 mpg (9.0 L/100 km) - 2011 Scion iQ
Gasoline
1.3L 4-cylinder · FWD
36 mpg (6.5 L/100 km) - 2010 Smart fortwo
Gasoline
1.0L 3-cylinder · RWD
36 mpg (6.5 L/100 km) - 2009 Smart fortwo
Gasoline
1.0L 3-cylinder · RWD
36 mpg (6.5 L/100 km) - 2008 Smart fortwo
Gasoline
1.0L 3-cylinder · RWD
36 mpg (6.5 L/100 km) - 2004 Volkswagen Golf/GTI
Hatchback, Varies by configuration: Diesel, Gasoline
Varies by configuration: 1.9L 4-cylinder turbocharged, 2.0L 4-cylinder, 1.8L 4-cylinder turbocharged, 2.8L 6-cylinder · 241 hp (180 kW) · FWD
36 mpg (6.5 L/100 km) to 22 mpg (10.7 L/100 km) - 2004 Volkswagen Jetta
Varies by configuration: Gasoline, Diesel
Varies by configuration: 1.8L 4-cylinder turbocharged, 1.9L 4-cylinder turbocharged, 2.0L 4-cylinder, 2.8L 6-cylinder · FWD
36 mpg (6.5 L/100 km) to 22 mpg (10.7 L/100 km) - 2004 Volkswagen Beetle
Varies by configuration: Gasoline, Diesel
Varies by configuration: 1.8L 4-cylinder turbocharged, 2.0L 4-cylinder, 1.9L 4-cylinder turbocharged · FWD
36 mpg (6.5 L/100 km) to 22 mpg (10.7 L/100 km) - 2000 Chevrolet Metro
Gasoline
Varies by configuration: 1.0L 3-cylinder, 1.3L 4-cylinder · FWD
36 mpg (6.5 L/100 km) to 28 mpg (8.4 L/100 km) - 1997 Volkswagen Passat
Varies by configuration: Diesel, Gasoline
Varies by configuration: 1.9L 4-cylinder turbocharged ((DSL,TRBO)), 2.8L 6-cylinder ((FFS)) · FWD
36 mpg (6.5 L/100 km) to 18 mpg (13.1 L/100 km) 
1996 Honda CivicSedan, Gasoline
Varies by configuration: 1.6L 4-cylinder ((FFS)), 1.6L 4-cylinder (VTEC (FFS)) · 158 hp (118 kW) · FWD
36 mpg (6.5 L/100 km) to 27 mpg (8.7 L/100 km)- 1986 Chevrolet Chevette
Varies by configuration: Gasoline, Diesel
Varies by configuration: 1.6L 4-cylinder ((FFS)), 1.8L 4-cylinder ((NO-CAT)) · RWD
36 mpg (6.5 L/100 km) to 24 mpg (9.8 L/100 km) 
1985 Toyota CorollaSedan, Varies by configuration: Gasoline, Diesel
Varies by configuration: 1.6L 4-cylinder ((FFS) CA model), 1.6L 4-cylinder ((FFS)), 1.8L 4-cylinder · 169 hp (126 kW) · Varies by configuration: RWD, FWD
36 mpg (6.5 L/100 km) to 24 mpg (9.8 L/100 km)- 1985 Chevrolet Chevette
Varies by configuration: Gasoline, Diesel
Varies by configuration: 1.6L 4-cylinder ((FFS) CA model), 1.6L 4-cylinder ((FFS)), 1.8L 4-cylinder · RWD
36 mpg (6.5 L/100 km) to 25 mpg (9.4 L/100 km) - 1985 Pontiac 1000
Varies by configuration: Gasoline, Diesel
Varies by configuration: 1.6L 4-cylinder ((FFS) CA model), 1.6L 4-cylinder ((FFS)), 1.8L 4-cylinder · RWD
36 mpg (6.5 L/100 km) to 25 mpg (9.4 L/100 km) - 1984 Chevrolet Chevette
Varies by configuration: Gasoline, Diesel
Varies by configuration: 1.6L 4-cylinder ((FFS)), 1.8L 4-cylinder ((DIESEL)), 1.6L 4-cylinder ((FFS) CA model), 1.8L 4-cylinder ((DIESEL) CA model)
36 mpg (6.5 L/100 km) to 24 mpg (9.8 L/100 km) - 1984 Toyota Starlet
Gasoline
Varies by configuration: 1.3L 4-cylinder ((CAL)(FFS)), 1.3L 4-cylinder ((FFS)), 1.3L 4-cylinder ((FFS) CA model)
36 mpg (6.5 L/100 km) to 34 mpg (6.9 L/100 km) - 1984 Pontiac 1000
Varies by configuration: Gasoline, Diesel
Varies by configuration: 1.6L 4-cylinder ((FFS)), 1.8L 4-cylinder ((DIESEL)), 1.6L 4-cylinder ((FFS) CA model), 1.8L 4-cylinder ((DIESEL) CA model)
36 mpg (6.5 L/100 km) to 24 mpg (9.8 L/100 km) - 2024 Denza D9
Van, Plug-in hybrid
1.5L 4-cylinder turbocharged hybrid · 296 hp (221 kW) · AWD
35 mpg (6.7 L/100 km) - 2024 Changan UNI-T
SUV, Gasoline
1.5L 4-cylinder Turbocharged Blue Whale · 185 hp (138 kW) · FWD
35 mpg (6.7 L/100 km) 
2027 Kia TellurideSUV, Varies by configuration: Gasoline, Hybrid
Varies by configuration: 2.5L 4-cylinder turbocharged (SIDI & PFI), 2.5L 4-cylinder turbocharged (SIDI; Hybrid) · Varies by configuration: AWD, FWD
35 mpg (6.7 L/100 km) to 19 mpg (12.4 L/100 km)
2026 Subaru ForesterSUV, Varies by configuration: Gasoline, Hybrid
Varies by configuration: 2.5L 4-cylinder (SIDI), 2.5L 4-cylinder (SIDI; Hybrid) · AWD
35 mpg (6.7 L/100 km) to 26 mpg (9.0 L/100 km)
2026 Toyota HighlanderSUV, Varies by configuration: Gasoline, Hybrid
Varies by configuration: 2.4L 4-cylinder turbocharged (SIDI & PFI), 2.5L 4-cylinder (SIDI & PFI; Hybrid) · AWD
35 mpg (6.7 L/100 km) to 24 mpg (9.8 L/100 km)