Most fuel-efficient diesel cars of 2020

BS6 emission norms started from April 1, 2020. Resulted, major carmakers including Maruti and Skoda-Volkswagen changed their models to petrol-only offerings. On the other side, automakers including Tata Motors, Mahindra & Mahindra and Hyundai Motor continue to offer both petrol and diesel engines to buyers. is here with a complete list of the five most fuel-efficient diesel cars of 2020.

Hyundai i20 MT

Hyundai’s third-gen i20 boasts the best as well as mileage figures among all diesel models of 2020. It is equipped with the same engine as the Venue, including the 1.5-liter diesel. However, the carmaker is offering this engine only with the 6-speed MT. The fuel effectiveness of the vehicle majorly depends on the driving style, health of the car and driving environment.

Hyundai Creta MT

Successfully launched in March 2020, second-generationHyundai Cretagets engines including the 1.5-liter diesel. Hyundai Creta MT engine is offered with a 6-speed MT or 6-speed torque converter unit. The Creta takes on a 6-speed MT with a 1.5-liter diesel engine, with the ARAI boasting a fuel efficiency of 21.4kmpl and an average mileage of 18.13kmpl in our tests.

Honda City MT

Fifth-generation Honda City with a set of 1.5-liter petrol and diesel engines, the diesel engine only gets a 6-speed MT. This powertrain combo has made the diesel-powered sedan one of the most frugal models we tested in 2020.


BMW X1 is the only luxury model in the list of most fuel-efficient cars. It is mated to a 2.0-liter turbocharged diesel engine mated to an 8-speed AT gearbox. What is surprising is that even though it is a luxury SUV, its mileage on the highway has crossed the fuel efficiency figure of 19.6 lakh kmph.

Jeep Compass AT

Jeep introduced the diesel-auto powertrain on the Compass. The 2.0-liter diesel engine comes with a 4×4 drivetrain for a 9-speed torque converter unit. This powertrain of the SUV offers an average fuel efficiency of 14.01kmpl. It has ranked fifth in our books as the most frugal diesel car of 2020.

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Deepika Chauhan

Hello, I am Deepika Chauhan an automobile enthusiast. Presently working as a Media Manager and Writer. My aim is to guide and teach ways to manage, grow and scale business.
Earlier, I have been a part of Asian News International (ANI) as a Sub-editor cum Producer.

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