If mileage is your top priority, the CNG segment in India has some very strong options. The most fuel-efficient CNG cars are usually small hatchbacks and compact family cars that help keep running costs low for daily use.
Best mileage picks


Autocar India says the Maruti Suzuki Celerio offers the highest CNG mileage of up to 34.4 km/kg. CarDekho also lists the Celerio at the top with a claimed 34.43 km/kg, which makes it one of the strongest efficiency-focused choices in the market.
Why these cars lead
The Celerio is the clear benchmark if your main goal is fuel efficiency. Wagon R and Alto K10 are close behind and remain popular because they balance mileage with practical city usability.
Hyundai Exter CNG is a useful choice for buyers who want a taller, SUV-like car but still care about efficiency. For buyers who want more practicality, larger CNG options such as Maruti Brezza CNG and Toyota Urban Cruiser Hyryder are also part of the broader mileage-focused CNG list, though they are not as efficient as the smaller hatchbacks.
Best picks by need
- Best overall mileage: Maruti Suzuki Celerio CNG.
- Best city-friendly choice: Maruti Wagon R CNG.
- Best budget hatchback: Maruti Alto K10 CNG.
- Best SUV-style mileage pick: Hyundai Exter CNG.
- Best practical all-round CNG option: Maruti S-Presso CNG.

What to keep in mind
CNG cars are popular because they usually save money over petrol in the long run, especially for people who drive regularly. The trade-off is that most of the highest-mileage CNG cars are compact models, so buyers looking for more power or a premium feel may need to compromise a little on efficiency.
If you want the most economical daily driver, Celerio and Wagon R are the safest bets. If you want a more modern stance, Exter CNG and Brezza CNG are better fits, but their mileage will generally sit below the top hatchbacks.
Also Read : Best Cars for First-Time Buyers in India: Easy and Safe Picks
Conclusion
The best CNG mileage car in India is the Maruti Suzuki Celerio CNG, followed closely by other Maruti hatchbacks like Wagon R, Alto K10, and S-Presso. If you want the highest fuel savings, these are the models to shortlist first.
Maruti Suzuki Celerio CNG gives the highest claimed mileage at up to 34.43 km/kg.
Maruti Wagon R CNG is one of the strongest next picks, with a claimed mileage of up to 33.47 km/kg.
Yes, Maruti Alto K10 CNG is one of the most fuel-efficient budget options.
Wagon R is more practical for some buyers, but Celerio is better if maximum mileage is the goal.
Hyundai Exter CNG is a good SUV-style option for buyers who want efficiency and a higher stance.
Yes, CNG cars are usually chosen for lower running costs and better long-term savings.
Maruti Celerio CNG and Wagon R CNG are both excellent city-focused choices.
Yes, but the highest mileage usually comes from smaller cars; larger options are more about practicality than top efficiency.
Yes, it is a mileage-friendly SUV-style option, though not as efficient as the top Maruti hatchbacks.
Maruti Celerio CNG and Wagon R CNG are both strong beginner-friendly options.
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Divya Sharma is an automotive writer at CarChaska with over 3 years of experience in the automobile industry. Having previously worked with the sales teams of Maruti Suzuki and Hyundai, she brings practical industry knowledge to her coverage of car launches, reviews, EVs, and automotive trends.
