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
- 2024 Lynk & Co 01
SUV, Plug-in hybrid
1.5L 3-cylinder turbocharged hybrid · 257 hp (192 kW) · FWD
196 mpg (1.2 L/100 km) 
2025 Toyota MiraiHydrogen
RWD
74 mpg (3.2 L/100 km)- 2024 Toyota Mirai
Hydrogen
RWD
74 mpg (3.2 L/100 km) to 65 mpg (3.6 L/100 km) - 2023 Toyota Mirai
Hydrogen
RWD
74 mpg (3.2 L/100 km) to 65 mpg (3.6 L/100 km) - 2022 Toyota Mirai
Hydrogen
RWD
74 mpg (3.2 L/100 km) to 65 mpg (3.6 L/100 km) - 2021 Toyota Mirai
Hydrogen
RWD
74 mpg (3.2 L/100 km) to 65 mpg (3.6 L/100 km) 
2026 Toyota MiraiHydrogen
RWD
72 mpg (3.3 L/100 km)
2026 Hyundai NexoSUV, Hydrogen
FWD
68 mpg (3.5 L/100 km) to 60 mpg (3.9 L/100 km)- 2021 Honda Clarity
Varies by configuration: Plug-in hybrid, Hydrogen
1.5L 4-cylinder (PHEV) · FWD
68 mpg (3.5 L/100 km) - 2020 Honda Clarity
Varies by configuration: Plug-in hybrid, Hydrogen
1.5L 4-cylinder (PHEV) · FWD
68 mpg (3.5 L/100 km) - 2019 Honda Clarity
Varies by configuration: Plug-in hybrid, Electric, Hydrogen
1.5L 4-cylinder (PHEV) · FWD
68 mpg (3.5 L/100 km) - 2018 Honda Clarity
Varies by configuration: Plug-in hybrid, Electric, Hydrogen
1.5L 4-cylinder (PHEV) · FWD
68 mpg (3.5 L/100 km) - 2020 Toyota Mirai
Hydrogen
FWD
67 mpg (3.5 L/100 km) - 2019 Toyota Mirai
Hydrogen
FWD
67 mpg (3.5 L/100 km) - 2018 Toyota Mirai
Hydrogen
FWD
67 mpg (3.5 L/100 km) - 2017 Toyota Mirai
Hydrogen
FWD
67 mpg (3.5 L/100 km) - 2016 Toyota Mirai
Hydrogen
FWD
67 mpg (3.5 L/100 km) - 2024 BYD Qin Plus DM-i
Sedan, Plug-in hybrid
1.5L 4-cylinder hybrid · 177 hp (132 kW) · FWD
62 mpg (3.8 L/100 km) 
2025 Hyundai NexoSUV, Hydrogen
FWD
61 mpg (3.9 L/100 km) to 57 mpg (4.1 L/100 km)
2024 Hyundai NexoSUV, Hydrogen
FWD
61 mpg (3.9 L/100 km) to 57 mpg (4.1 L/100 km)- 2023 Hyundai Nexo
SUV, Hydrogen
FWD
61 mpg (3.9 L/100 km) to 57 mpg (4.1 L/100 km) - 2022 Hyundai Nexo
SUV, Hydrogen
FWD
61 mpg (3.9 L/100 km) to 57 mpg (4.1 L/100 km) - 2021 Hyundai Nexo
SUV, Hydrogen
FWD
61 mpg (3.9 L/100 km) to 57 mpg (4.1 L/100 km) - 2020 Hyundai Nexo
SUV, Hydrogen
FWD
61 mpg (3.9 L/100 km) to 57 mpg (4.1 L/100 km)