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
2026 Kia NiroSUV, Varies by configuration: Hybrid, Plug-in hybrid, Electric
Varies by configuration: 1.6L 4-cylinder (SIDI; Hybrid), 1.6L 4-cylinder (SIDI; PHEV) · FWD
53 mpg (4.4 L/100 km) to 49 mpg (4.8 L/100 km)- 2025 Kia Niro
SUV, Varies by configuration: Hybrid, Electric, Plug-in hybrid
Varies by configuration: 1.6L 4-cylinder (SIDI; Hybrid), 1.6L 4-cylinder (SIDI; PHEV) · FWD
53 mpg (4.4 L/100 km) to 49 mpg (4.8 L/100 km) - 2024 Kia Niro
SUV, Varies by configuration: Hybrid, Electric
1.6L 4-cylinder (SIDI; Hybrid) · FWD
53 mpg (4.4 L/100 km) to 49 mpg (4.8 L/100 km) - 2023 Kia Niro
Wagon, Varies by configuration: Hybrid, Electric, Plug-in hybrid
Varies by configuration: 1.6L 4-cylinder (SIDI; Hybrid), 1.6L 4-cylinder (SIDI; PHEV) · FWD
53 mpg (4.4 L/100 km) to 49 mpg (4.8 L/100 km) - 2003 Honda Insight
Hybrid
1.0L 3-cylinder (VTEC) · FWD
53 mpg (4.4 L/100 km) to 47 mpg (5.0 L/100 km) - 2002 Honda Insight
Hybrid
1.0L 3-cylinder · FWD
53 mpg (4.4 L/100 km) to 47 mpg (5.0 L/100 km) - 2001 Honda Insight
Hybrid
1.0L 3-cylinder · FWD
53 mpg (4.4 L/100 km) to 47 mpg (5.0 L/100 km) - 2000 Honda Insight
Hybrid
1.0L 3-cylinder · FWD
53 mpg (4.4 L/100 km) 
2024 Toyota CamrySedan, Varies by configuration: Gasoline, Hybrid
Varies by configuration: 3.5L 6-cylinder (SIDI & PFI), 2.5L 4-cylinder (SIDI & PFI), 2.5L 4-cylinder (SIDI & PFI; Hybrid) · 225 hp (168 kW) · Varies by configuration: FWD, AWD
52 mpg (4.5 L/100 km) to 25 mpg (9.4 L/100 km)- 2023 Toyota Camry
Sedan, Varies by configuration: Gasoline, Hybrid
Varies by configuration: 3.5L 6-cylinder (SIDI & PFI), 2.5L 4-cylinder (SIDI & PFI), 2.5L 4-cylinder (3-mode (Spt/Normal/Eco)), 2.5L 4-cylinder (SIDI & PFI; Hybrid) · 225 hp (168 kW) · Varies by configuration: FWD, AWD
52 mpg (4.5 L/100 km) to 25 mpg (9.4 L/100 km) - 2023 Hyundai Sonata
Varies by configuration: Gasoline, Hybrid
Varies by configuration: 1.6L 4-cylinder turbocharged (SIDI), 2.5L 4-cylinder (SIDI & PFI), 2.5L 4-cylinder (SIDI & PFI; Stop-Start), 2.5L 4-cylinder turbocharged (SIDI & PFI), 2.0L 4-cylinder (SIDI; Hybrid) · FWD
52 mpg (4.5 L/100 km) to 27 mpg (8.7 L/100 km) - 2022 Hyundai Sonata
Varies by configuration: Hybrid, Gasoline
Varies by configuration: 2.0L 4-cylinder (SIDI; Hybrid), 1.6L 4-cylinder turbocharged (SIDI), 2.5L 4-cylinder (SIDI & PFI), 2.5L 4-cylinder (SIDI & PFI; Stop-Start), 2.5L 4-cylinder turbocharged (SIDI & PFI) · FWD
52 mpg (4.5 L/100 km) to 27 mpg (8.7 L/100 km) - 2022 Honda Insight
Hybrid
1.5L 4-cylinder (Hybrid) · FWD
52 mpg (4.5 L/100 km) to 48 mpg (4.9 L/100 km) - 2022 Toyota Camry
Sedan, Varies by configuration: Gasoline, Hybrid
Varies by configuration: 3.5L 6-cylinder (SIDI & PFI), 2.5L 4-cylinder (SIDI & PFI), 2.5L 4-cylinder (SIDI & PFI; Hybrid) · 225 hp (168 kW) · Varies by configuration: FWD, AWD
52 mpg (4.5 L/100 km) to 25 mpg (9.4 L/100 km) 
2022 Toyota CorollaSedan, Varies by configuration: Gasoline, Hybrid
Varies by configuration: 1.8L 4-cylinder, 1.8L 4-cylinder (Hybrid), 2.0L 4-cylinder (SIDI & PFI) · 169 hp (126 kW) · FWD
52 mpg (4.5 L/100 km) to 31 mpg (7.6 L/100 km)- 2021 Hyundai Sonata
Varies by configuration: Hybrid, Gasoline
Varies by configuration: 2.0L 4-cylinder (SIDI; Hybrid), 1.6L 4-cylinder turbocharged (SIDI), 2.5L 4-cylinder (SIDI & PFI), 2.5L 4-cylinder (SIDI & PFI; Stop-Start), 2.5L 4-cylinder turbocharged (SIDI & PFI) · FWD
52 mpg (4.5 L/100 km) to 27 mpg (8.7 L/100 km) - 2021 Honda Insight
Hybrid
1.5L 4-cylinder (Hybrid) · FWD
52 mpg (4.5 L/100 km) to 48 mpg (4.9 L/100 km) - 2021 Toyota Corolla
Sedan, Varies by configuration: Gasoline, Hybrid
Varies by configuration: 1.8L 4-cylinder, 1.8L 4-cylinder (Hybrid), 2.0L 4-cylinder (SIDI & PFI) · 169 hp (126 kW) · FWD
52 mpg (4.5 L/100 km) to 31 mpg (7.6 L/100 km) - 2021 Toyota Camry
Sedan, Varies by configuration: Gasoline, Hybrid
Varies by configuration: 3.5L 6-cylinder (SIDI & PFI), 2.5L 4-cylinder (SIDI & PFI), 2.5L 4-cylinder (SIDI & PFI; Hybrid) · 225 hp (168 kW) · Varies by configuration: FWD, AWD
52 mpg (4.5 L/100 km) to 25 mpg (9.4 L/100 km) - 2020 Hyundai Sonata
Varies by configuration: Gasoline, Hybrid
Varies by configuration: 2.5L 4-cylinder (SIDI & PFI), 2.5L 4-cylinder (SIDI & PFI; Stop-Start), 1.6L 4-cylinder turbocharged (SIDI), 2.0L 4-cylinder (SIDI; Hybrid) · FWD
52 mpg (4.5 L/100 km) to 31 mpg (7.6 L/100 km) - 2020 Toyota Corolla
Sedan, Varies by configuration: Gasoline, Hybrid
Varies by configuration: 2.0L 4-cylinder (SIDI & PFI), 1.8L 4-cylinder (Hybrid), 1.8L 4-cylinder · 169 hp (126 kW) · FWD
52 mpg (4.5 L/100 km) to 31 mpg (7.6 L/100 km) - 2020 Honda Insight
Hybrid
1.5L 4-cylinder (Hybrid) · FWD
52 mpg (4.5 L/100 km) to 48 mpg (4.9 L/100 km) - 2020 Toyota Camry
Sedan, Varies by configuration: Gasoline, Hybrid
Varies by configuration: 3.5L 6-cylinder (SIDI & PFI), 2.5L 4-cylinder (SIDI & PFI), 2.5L 4-cylinder (SIDI & PFI; Hybrid) · 225 hp (168 kW) · Varies by configuration: FWD, AWD
52 mpg (4.5 L/100 km) to 25 mpg (9.4 L/100 km) - 2019 Toyota Camry
Sedan, Varies by configuration: Gasoline, Hybrid
Varies by configuration: 2.5L 4-cylinder (SIDI & PFI), 3.5L 6-cylinder (SIDI & PFI), 2.5L 4-cylinder (SIDI & PFI; Hybrid) · 225 hp (168 kW) · FWD
52 mpg (4.5 L/100 km) to 26 mpg (9.0 L/100 km)