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Want To Save On Fuel? Then You Need To Know The 7 Most Fuel-Efficient Cars In Brazil In 2025! Models Such As Renault Kwid, Chevrolet Onix, And Fiat Mobi Surprise In The Inmetro Ranking.
With rising fuel costs and growing concern for sustainability, Brazilian consumers are increasingly attentive to the energy efficiency of cars.
In 2025, choosing a vehicle that consumes less fuel can make all the difference in the pocket of a driver.
And, to help drivers make this more conscious choice, the Brazilian Vehicle Labeling Program (PBEV), from Inmetro, has released the most recent update of the vehicle consumption table.
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The table presents data on fuel consumption (ethanol and gasoline) and the energy efficiency of cars, measured in megajoules per kilometer (MJ/km).
The lower the value in MJ/km, the more efficient the car, meaning the model uses less energy to travel the same distance.
This ranking only considered combustion cars, which means hybrid and electric models are not included in the list.
Check out the seven most fuel-efficient cars of 2025 and see which model could be the best option for those looking to reduce fuel expenses.
7th Place: Hyundai HB20S
Fuel Consumption with Ethanol: 9.7 km/l (city) and 10.9 km/l (highway)
The Hyundai HB20S stands out for its energy efficiency, with 1.47 MJ/km, making it one of the most fuel-efficient cars in Brazil in 2025.
It is ideal for those looking for a compact and efficient model, especially for urban trips.
This model is available in the Comfort Plus and Limited Plus versions, with a starting price of R$ 103.010.
Its 1.0 Kappa flex engine, with 80 hp and 10.2 kgfm of torque, offers a good balance between performance and economy.
The transmission is a five-speed manual, which contributes to a more efficient control of fuel consumption.
6th Place: Fiat Mobi
Fuel Consumption with Ethanol: 9.8 km/l (city) and 10.6 km/l (highway)
The Fiat Mobi, which has been one of the most popular cars in Brazil, appears in sixth place in the ranking with 1.46 MJ/km of energy consumption.
The Like and Trekking versions, starting at R$ 77.990, are the most sought after.
The 1.0 Firefly flex engine, with 75 hp and 10.7 kgfm of torque, offers adequate performance for urban daily use, combined with excellent fuel consumption.
The version comes with a five-speed manual transmission and is a great option for those wanting an affordable car with good fuel economy.
5th Place: Fiat Cronos
Fuel Consumption with Ethanol: 9.7 km/l (city) and 11.2 km/l (highway)
With a consumption of 1.46 MJ/km, the Fiat Cronos occupies fifth place among the most fuel-efficient cars in Brazil.
This model stands out for its design and comfort, offering a more spacious option without compromising efficiency.
The 1.0 Firefly Flex engine, with up to 75 hp and 10.7 kgfm of torque, is the main engine for the 1.0 and 1.0 Drive versions.
The starting price of the Fiat Cronos is R$ 100.990, and it comes with a five-speed manual transmission.
With this model, the driver can count on an excellent consumption-performance ratio, ideal for those making many long trips.
4th Place: Volkswagen Polo TSI
Fuel Consumption with Ethanol: 9.6 km/l (city) and 11.4 km/l (highway)
The Volkswagen Polo TSI, which reaches 4th place with 1.43 MJ/km, is one of the most efficient cars in its category, combining technology and economy.
With the 1.0 turboflex TSI engine, delivering 116 hp and 16.8 kgfm of torque, the Polo TSI provides powerful driving without sacrificing fuel economy.
The model is sold starting at R$ 111.490 and is available in the manual TSI version.
The five-speed manual transmission allows for precise and efficient driving, both in urban environments and on highways.
If you’re looking for a car with good performance and economy, the Polo TSI is an excellent choice.
3rd Place: Chevrolet Onix Plus
Fuel Consumption with Ethanol: 9.2 km/l (city) and 12.4 km/l (highway)
The Chevrolet Onix Plus, with 1.43 MJ/km, occupies 3rd place on the list.
It stands out for its comfort and embedded technologies, being an interesting option for those looking for efficiency and modernity.
The model is available starting at R$ 105.490, with the 1.0 flex three-cylinder engine, delivering 82 hp and 10.6 kgfm of torque.
The Onix Plus features a six-speed manual transmission, providing a more comfortable and efficient driving experience.
The model is ideal for those making both urban and highway trips, with excellent fuel consumption numbers.
2nd Place: Chevrolet Onix
Fuel Consumption with Ethanol: 9.6 km/l (city) and 11.9 km/l (highway)
The Chevrolet Onix, which was recently updated, guarantees excellent performance in terms of energy efficiency, with 1.41 MJ/km.
The 1.0 flex three-cylinder engine, with 82 hp and 10.6 kgfm of torque, delivers a combination of performance and economy, both in the city and on the highway.
With a starting price of R$ 93.770, the model is available in the LT version and features a six-speed manual transmission.
If you’re looking for a compact, economical car with good performance, the Onix is one of the best options for 2025.
1st Place: Renault Kwid
Fuel Consumption with Ethanol: 10.4 km/l (city) and 10.8 km/l (highway)
The champion of the list is the Renault Kwid, which presents the most efficient fuel consumption among combustion cars, with 1.40 MJ/km.
This compact and economical model is ideal for those looking for a car with good performance and low maintenance costs.
With a starting price of R$ 77.240, the Kwid is an excellent choice for those wanting an affordable and economical vehicle.
The SCe 1.0 flex engine, with 70 hp and 9.8 kgfm of torque, combined with the five-speed manual transmission, offers adequate performance for daily use.
With the Kwid, drivers can travel more kilometers with less fuel, making this model a true champion of energy efficiency.
To Conclude
If you’re in search of a new car and want to save on fuel, choosing a more efficient model can be a smart decision.
The cars listed above are the most fuel-efficient in Brazil in 2025 and offer a great balance between fuel consumption and performance.
It is worth remembering that, in addition to fuel economy, maintenance and acquisition costs are also important points to consider.
No matter the model chosen, it is always important to take a test drive and evaluate your needs before making a purchase.
With the constant update of the market, the most efficient cars continue to evolve, ensuring more options for Brazilian drivers.
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