Top 10 Highest Mileage CNG Cars in India

The CNG cars have now become a trend in India, not just because they keep up affordability, but also because they are eco-friendly. Typically, CNG cars in India offer a mileage above 30 km/kg with highway fuel-efficiency exceeding 35 km/kg for some models.

According to the Federation of Automobile Dealers Association (FADA) August 2026 report, new launches comprised approx 25.28% of CNG cars. That’s an increase of 0.61% from June 2026 and 3.81% from August 2025. When you look at the list of best mileage CNG cars in India, you’ll find the Maruti Celerio CNG topping with 34.43 km/kg claimed mileage. Other Maruti models like Wagon R and Alto follow the list. The Dzire and Swift also offer strong mileage figures for buyers looking beyond small hatchbacks.

In this blog, we'll look at the top 10 highest mileage CNG cars in India, their claimed and real-world mileage, running costs and which models suit different budgets.

Looking for future CNG options? Explore our guide to the top upcoming CNG cars in India.

List of Highest Mileage CNG Cars in India: Quick Overview

Here are the 10 CNG cars from your selected list, arranged by their claimed mileage. The figures are based on published mileage data, while real-world figures need to be checked against consistent tests.

CNG Car Model	ARAI Mileage	Real-world mileage (Overall)*	Running cost in India
Maruti Suzuki Celerio CNG	34.43 km/kg	32 - 34 km/kg	Between Rs. 2.15 - 2.30 per kilometer
Maruti Suzuki Wagon R CNG	34.05 km/kg	Varies by test	Around Rs. 2.25 per kilometer
Maruti Suzuki Alto K10 CNG	33.85 km/kg	27 - 28 km/kg	Between Rs. 2.17 - 2.20 per kilometer
Maruti Suzuki Dzire CNG	33.73 km/kg	25 - 26 km/kg	Between Rs. 2.36 - 2.38 per kilometer
Maruti Suzuki Baleno CNG	33.61 km/kg	22 - 25 km/kg	Between Rs. 2.47 - 2.5 per kilometers
Maruti Suzuki Swift CNG	32.85 km/kg	25 - 28 km/kg	Between Rs. 2.38 - 2.40 per kilometer
Maruti Suzuki S-Presso CNG	32.73 km/kg	24 - 26 km/kg	Between Rs. 2.25 - 3.33 per kilometer
Toyota Glanza CNG	30.61 km/kg	22 - 24 km/kg	Between Rs. 2.49 - 2.54 per kilometer
Maruti Suzuki Fronx CNG	28.51 km/kg	23 - 25 km/kg	Between Rs. 2.46 - 2.91 per kilometer
Hyundai Exter CNG	27.10 km/kg	24 - 26 km/kg	Between Rs. 2.72 - 2.76 per kilometer

Note: The running cost given in the last column of the table is an average of different sources available online. It varies in different situations and depends on CNG price in your city and the car's actual mileage.

If you prefer easier driving, explore our guide to the top CNG automatic cars in India.

Top 10 Highest Mileage CNG Cars in India: Model Explained

Our list of best CNG mileage cars has 8 Maruti Suzuki cars, one Toyota car and one Hyundai car. This clearly shows that Maruti dominates when it comes to fuel efficiency. Look into more details as to what these models are and how much claimed and actual, on-ground mileage they offer.

1. Maruti Suzuki Celerio CNG

Maruti Celerio CNG tops the top mileage CNG cars in India list with its class leading 34.43 km/kg mileage. It is powered by the Maruti’s efficient one litre K10C 3-cylinder dual jet dual VVT engine. Second reason is its compact dimensions which reduces unnecessary air drag and weight ultimately helping in a reduced running cost.

It is suitable for daily commuters who want a small car with low fuel consumption.

Specification	Details
Engine	1.0-litre petrol-CNG
Transmission	5-speed manual
Claimed mileage	34.43 km/kg
Body type	Hatchback
Seating	5

People consider the Celerio CNG because it suits best for those who have their daily driving mostly within the city. Additionally, it keeps fuel expenses real low.

2. Maruti Suzuki Wagon R CNG

Maruti Wagon R occupies the second spot of the best CNG cars in India list. It is a very familiar name among Indian family car buyers primarily because of a long established reputation and low real-world costs incurred. Its tall design gives a spacious cabin feel, while the CNG engine focuses on fuel efficiency.

For core operations, the car gets a one litre K10C 3-cylinder engine and can offer a claimed mileage of 34.05 km/kg. Currently, the model is offered in two CNG variants.

Specification	Details
Engine	1.0-litre petrol-CNG
Transmission	5-speed manual
Claimed mileage	34.05 km/kg
Body type	Hatchback
Seating	5

If you wonder why consider the Wagon R CNG, this is because it suits buyers who want a fuel-efficient car with a tall seating position and a family-friendly cabin.

3. Maruti Suzuki Alto K10 CNG

Alto K10 is another name in the world of best CNG mileage cars, giving at most 33.85 km/kg of claimed fuel efficiency. This successor of the legendary ‘Alto 800’ is available in both manual and automatic transmissions, although CNG variants are only available in manual.

Specification	Details
Engine	1.0-litre petrol-CNG
Transmission	5-speed manual
Claimed mileage	33.85 km/kg
Body type	Hatchback
Seating	5

Buyers highly consider Alto K10 CNG variant because the car has been proven very suitable in compact dimensions and giving fuel economy.

4. Maruti Suzuki Dzire CNG

The Maruti Dzire CNG deserves 4th spot in the top 10 CNG cars in India list because it offers a claimed mileage of 33.73 km/kg. Apart from all the previous top ranking cars, it uses a 1.2-litre petrol-CNG engine. It is also the only sedan in the list of best CNG cars in India.

Recently Maruti Suzuki launched the S-CNG variant of Dzire, which makes it on the top of the list. With the best CNG car mileage of 36.47 km/kg, the model can swap Celerio CNG. Only the wait is for rolling out of the model on roads and test whether the claimed mileage actually holds good.

Specification	Details
Engine	1.2-litre petrol-CNG
Transmission	5-speed manual
Claimed mileage	33.73 km/kg
Body type	Sedan
Seating	5

Why consider Maruti Dzire CNG? Because, if you want a sedan body style without giving up fuel efficiency, this could be the best option.

5. Maruti Suzuki Baleno CNG

As a premium hatchback, Maruti Baleno CNG offers a larger body among all its other contenders in the list. Being large sized, it retains its tag as best CNG mileage car because of the installed 1.2-litre three cylinder Z12E engine which offers a maximum mileage of 33.61 km/kg.

Specification	Details
Engine	1.2-litre petrol-CNG
Transmission	5-speed manual
Claimed mileage	33.61 km/kg
Body type	Hatchback
Seating	5

Why consider Baleno CNG? It is the best option for buyers who want more cabin space along with CNG efficiency.

6. Maruti Suzuki Swift CNG

The Maruti Suzuki Swift CNG is known for its sporty hatchback look and familiar driving feel. It is also one of the highest mileage CNG cars in this list.

The Swift CNG claims 32.85 km per kg. Autocar India recorded 27.87 km per kg in a real‑world test.

Specification	Details
Engine	1.2-litre Z12 petrol-CNG
Transmission	5-speed manual
Claimed mileage	32.85 km/kg
Tested mileage	27.87 km/kg
Body type	Hatchback

Why consider it? Swift CNG is a good option to compare if you want mileage along with a more energetic hatchback character.

7. Maruti Suzuki S-Presso CNG

The Maruti Suzuki S-Presso is already a leading mileage car in India whether it is petrol or CNG. Although there were other hatchbacks with better mileage, it was introduced to catch-up with the SUV trend. This mini crossover of hatchback and SUV satisfies SUV looks and hatchback utility such as high mileage, small size and better handling. To further reduce running costs, the company launched CNG variants with a 1.0-litre CNG engine and 5-speed manual gearbox. Overall, the car claims a 32.73 km/kg mileage although real-world range around 24 - 26 km/kg.

Specification	Details
Engine	1.0-litre petrol-CNG
Transmission	5-speed manual
Claimed mileage	32.73 km/kg
Body type	Hatchback
Seating	5

Why consider it? S-Presso CNG is worth checking out if you want a compact car with a tall seating position and strong claimed mileage.

8. Toyota Glanza CNG

This Toyota Car shares a position in the list of top mileage CNG cars in India. The CNG car mileage is offered at 30.61 (ARAI claimed) although real world figures hang between 22 - 24 km/kg. The Toyota Glanza CNG shares its powertrain with the Maruti Suzuki Baleno CNG, although its mileage is less than Baleno.

The Glanza CNG is available with a 1.2‑litre petrol‑CNG engine and a 5‑speed manual gearbox.

Specification	Details
Engine	1.2-litre petrol-CNG
Transmission	5-speed manual
Claimed mileage	30.61 km/kg
Body type	Hatchback
Seating	5

Why consider it? The Glanza CNG is worth comparing with the Baleno if you want a CNG hatchback with Toyota badging.

9. Maruti Suzuki Fronx CNG

For many people, Fronx is something which has unique styling (coupe-like) and an affordable alternative to Toyota Taisor. For its mileage focused CNG variants, those get a 1.2 litre CNG engine which offers a decent 28.51 km/kg mileage. The engine is available with a 5-speed manual transmission option.

Specification	Details
Engine	1.2-litre petrol-CNG
Transmission	5-speed manual
Claimed mileage	28.51 km/kg
Body type	Crossover
Seating	5

If you want a crossover-style car with factory-fitted CNG option, Maruti Suzuki Fronx is worth considering.

10. Hyundai Exter CNG

The Hyundai Exter CNG is the small SUV in this selected list. It offers a taller body style and a dual-cylinder CNG setup.

The Exter CNG claims 27.10 km/kg. Its 1.2-litre petrol-CNG engine produces 69 hp and 95.2 Nm, with a 5-speed manual gearbox.

Specification	Details
Engine	1.2-litre petrol-CNG
Power	69 hp
Torque	95.2 Nm
Transmission	5-speed manual
Claimed mileage	27.10 km/kg
Body type	SUV

Why consider it? Exter CNG is a useful choice for buyers who want a small SUV body style and a CNG powertrain.

Best CNG Cars in India by Budget

The best CNG car for you depends on your budget, daily driving and the type of car you want. Some buyers may prefer a compact hatchback, while others may need more space or an SUV body style.

Best CNG Cars Under Rs. 10 Lakh

Model	Why consider it
Maruti Suzuki Wagon R CNG	High claimed mileage and tall cabin
Tata Punch iCNG	SUV-style body and dual-cylinder CNG
Maruti Suzuki Baleno CNG	Larger hatchback with good mileage
Maruti Suzuki Dzire CNG	Sedan body and high claimed mileage
Hyundai Exter CNG	Small SUV with factory-fitted CNG

If your main priority is mileage, compare the Celerio, Wagon R and Alto K10 first. If you want more cabin space or an SUV-style body, Baleno, Punch and Exter are worth considering.

For more practical options for family use, check out our guide to the best family cars under ₹10 lakh.

Best CNG Cars Under Rs. 20 Lakh

Model	Why consider it
Toyota Urban Cruiser Hyryder CNG	SUV body and CNG powertrain
Maruti Suzuki Grand Vitara CNG	SUV styling and CNG option
Maruti Suzuki Ertiga CNG	Family-focused 7-seater
Toyota Rumion CNG	MPV body and CNG option
Maruti Suzuki Brezza CNG	Compact SUV body
Tata Nexon CNG	SUV body and factory-fitted CNG

If you need a family car, compare the Ertiga and Rumion. For SUV buyers, the Hyryder, Grand Vitara, Brezza and Nexon deserve a closer look.

Best CNG Cars in India by Body Type

Different body types suit different buyers. Hatchbacks are useful for city driving, sedans offer a separate boot, and SUVs provide a taller body style.

Body Type	Recommended Models
Hatchback	Celerio CNG, Wagon R CNG, Alto K10 CNG, Swift CNG
Sedan	Maruti Suzuki Dzire CNG
Crossover	Maruti Suzuki Fronx CNG
SUV	Hyundai Exter CNG, Tata Punch iCNG
MPV	Maruti Suzuki Ertiga CNG, Toyota Rumion CNG

CNG Cars with Best Boot Space

CNG cars traditionally have to manage the space taken by the gas cylinder. Newer dual-cylinder layouts help some models offer more usable luggage space.

Model	CNG Storage Technology	Boot Space
Hyundai Exter CNG	Dual-cylinder setup	225 Litres
Tata Punch iCNG	Twin-cylinder setup	210 Litres
Maruti Suzuki Dzire CNG	CNG cylinder setup	Limited boot space due to 55-litre CNG tank
Maruti Suzuki Baleno CNG	CNG cylinder setup	Limited boot space due to 55-litre CNG tank
Toyota Urban Cruiser Hyryder CNG	CNG cylinder setup	373 Litres

If boot space matters to you, do not compare only the CNG mileage. Check the actual usable luggage area and how the cylinder layout affects your family trips.

Conclusion

Getting high mileage figures is not easy to attain where you’ve to include other features and styling to be in the competition. Understanding mass requirements is most important and to engineer a vehicle according to that is a challenge. Maruti Suzuki has effectively done the job since 8 of 10 are all Maruti’s. From the list of top 10 highest mileage CNG cars, Celerio CNG, Wagon R CNG and Alto K10 CNG are ultimate fuel efficient options. Whereas, Dzire CNG and Swift CNG offer unique body style with competitive mileage.

If mileage is your priority, start by comparing the claimed and real‑world figures. Also check the CNG availability in your city, boot space seating needs and the car's price. The right car is the one which can fulfill all your requirements.

For more fuel-efficient options across different powertrains, explore our guide to the highest mileage cars in India.

FAQ about Highest Mileage CNG Cars in India

Which CNG car gives the highest mileage in India?
Maruti Suzuki Celerio CNG claims 34.43 km/kg, making it the highest-mileage model in this selected list.

Which is the best CNG car under Rs. 10 lakh?
Maruti Suzuki Wagon R CNG, Tata Punch iCNG, Baleno CNG, Dzire CNG and Hyundai Exter CNG are worth comparing under Rs. 10 lakh.

Which CNG car is best for long-distance driving?
Maruti Suzuki Dzire CNG, Baleno CNG and Swift CNG are worth considering for buyers who want mileage along with a comfortable hatchback or sedan body.

Is CNG cheaper than petrol for daily driving?
CNG can reduce fuel expenses when the mmmmcar delivers good mileage and CNG prices are lower than petrol on a per-kilometre basis.

Which CNG car has the best boot space?
Boot space varies by model and CNG storage layout. Hyundai Exter CNG and Tata Punch iCNG are worth checking for their dual-cylinder designs.