Wednesday, September 2, 2026

Here Are The Most Fuel Efficient CNG Cars Available In India In 2021

When it comes to alternative fuels, CNG (compressed natural gas) is the most preferred choice among Indian buyers. Also, with frequently fluctuating conventional fuel prices (petrol/diesel), a surge in demand for CNG vehicles has been registered in various parts of the country thanks to their more frugal nature, affordability, and low maintenance. So, if you are also planning to buy one, here are the top 10 most fuel-efficient CNG cars available in the Indian market: – 

maruti wagon r cng mileage

1. Maruti Suzuki WagonR  

Maruti Suzuki WagonR is one of the most selling CNG-powered cars in the country. While the brand offers the WagonR with two petrol engines (1.0-litre & 1.2-litre), the factory fitted CNG fit is only available with the smaller displacement engine. Here're the specifications: – 

Maruti WagonR CNG Specifications
Engine 1.0-litre Petrol

Max Power

60PS (CNG), 68PS (Petrol)

Max Torque

78Nm (CNG), 90Nm (petrol)

Gearbox Choices

5-speed manual

Claimed Fuel Efficiency

32.52 km/kg
CNG Tank Capacity 60-litres

The WagonR CNG is offered in two variants – LXi (Rs 5.60 lakh) and LXi Optional (Rs 5.67 lakh).

Also Read: Maruti WagonR CNG Variants Get Three New Color Options

2. Maruti Suzuki Alto 

Maruti Alto CNG mileage

Maruti Suzuki Alto is the most affordable CNG car among all. Available in two variants- LXi and LXi (O), they have been priced at Rs 4.56 lakh and 4.60 lakh (ex-showroom Delhi). 

Maruti Alto 800 CNG Specifications
Engine 0.8-litre Petrol

Max Power

40PS (CNG), 47PS (Petrol)

Max Torque

60Nm (CNG), 69Nm (petrol)

Gearbox Choices

5-speed manual

Claimed Fuel Efficiency

31.59km/kg

CNG Tank Capacity 60-litres

Also Read: Top 5 Most Fuel Efficient BS6 Petrol Cars In India – Maruti Swift, Dzire, Alto, Toyota Glanza, Renault Kwid!

3. Maruti Suzuki S-Presso  

cng cars in india 2021

Maruti's alleged micro-SUV, the S-Presso is on the third spot in our list. It also comes with a 1.0-litre, 3-cylinder petrol motor that generates 60PS and 78Nm on CNG mode. Let's take a look at the detailed engine specifications: – 

Maruti S-Presso CNG Specifications
Engine 1.0-litre Petrol

Max Power

60PS (CNG), 68PS (Petrol)

Max Torque

78Nm (CNG), 90Nm (petrol)

Gearbox Choices

5-speed manual

Claimed Fuel Efficiency

31.2 km/kg
CNG Tank Capacity 55-litres 

The S-Presso CNG is available in four variants – LXI, LXI (O), VXI and VXI (O) variants that retails from Rs 4.96 lakh to Rs 5.26 lakh (ex-showroom Delhi).

4. Hyundai Santro 

hyundai santro cng price 

Hyundai's entry-level Santro is the most torquiest CNG car in the compact hatchback segment. The brand offers the Santro CNG in two variants – Magna and Sportz, which are priced at Rs 5.92 lakh and Rs 6.06 lakh (ex-showroom Delhi), respectively. 

Hyundai Santro CNG Specifications
Engine 1.1-litre Petrol

Max Power

60PS (CNG), 69PS (Petrol)

Max Torque

85Nm (CNG), 99Nm (petrol)

Gearbox Choices

5-speed manual

Claimed Fuel Efficiency

30.48km/kg
CNG Tank Capacity 60-litres

 

5. Maruti Suzuki Celerio

maruti celerio cng mileage.

 

Maruti Celerio CNG shares its powertrain with the WagonR. That said, it is also powered by a 1.0-litre, 3-cylinder petrol engine that comes with a 60-litres factory-fitted CNG kit and delivers a claimed range of 30.47km per kilogram. 

Like most of the other cars, the availability of CNG powertrain is also limited to the mid-spec variants of Celerio- VXi and VXi (O), which comes at a price tag of Rs 5.85 lakh and Rs 5.90 lakh, respectively. 

Also Read: Top 10 Most Selling SUVs Of April 2021: Hyundai Creta Continues Its Dominance

6. Hyundai Grand i10 Nios 

CNG kit price

The Hyundai Grand i10 Nios is the only mid-sized hatchback on the list. It uses a 1.2-litre, 3-cylinder petrol engine that is only available with a manual transmission (AMT also available with non-CNG variants). This combination has an ARAI-rated economy of 28.5km/kg.  

Hyundai Grand i10 Nios CNG Specifications
Engine 1.2-litre Petrol

Max Power

69PS (CNG), 83PS (Petrol)

Max Torque

95Nm (CNG), 113Nm (petrol)

Gearbox Choices

5-speed manual

Claimed Fuel Efficiency

28.5km/kg
CNG Tank Capacity 60-litres

People looking for Grand i10 Nios CNG will have to shell out Rs 6.84 lakh for Magna and Rs 7.38 lakh for Sportz trim.

Also Read: Hyundai Car Getting Discounts Of Up To Rs 1.5 Lakh This May

7. Hyundai Aura

hyundai aura cng price

Hyundai’s 1.2-litre petrol engine also does duty in the Aura sub-4-meter sedan. However, its mileage is 0.50 less than the Nios. That could be attributed to its long size & more weight than the Grand i10 Nios. It is priced at Rs 7.56 lakh (ex-showroom)

Also Read: Hyundai Aura Features List Updated; Prices Gone Up By Rs 4,000

8. Marti Suzuki Dzire Tour S 

maruti tour s cng BS6

Tour S is the fleet version of the Maruti Dzire subcompact sedan. It is widely used for commercial purpose. While the standard Dzire is currently in its third generation (facelift) form, the Tour S is based on the 2nd-generation's facelift model. 

Maruti Dzire Tour S Specifications
Engine 1.2-litre Petrol

Max Power

71PS (CNG), 83PS (Petrol)

Max Torque

95Nm (CNG), 113Nm (petrol)

Gearbox Choices

5-speed manual

Claimed Fuel Efficiency

26.55 km/kg
CNG Tank Capacity 55-litres 

The CNG powered Dzire Tour S is priced at Rs 6.36 lakh for the STD variant and Rs 6.40 lakh for the STD (O) trim.

9. Maruti Suzuki Ertiga 

maruti ertiga cng mileage

Maruti Ertiga's CNG model is the most frugal MPV currently on sale in the country. It uses a 1.5-litre petrol engine that also powers many other Maruti models such as Vitara Brezza, XL6, Ciaz, and S-Cross. However, using it on CNG mode produces lesser engine outputs.  

Maruti Dzire Tour S Specifications
Engine 1.5-litre Petrol

Max Power

92PS (CNG), 105PS (Petrol)

Max Torque

122Nm (CNG), 138Nm (petrol)

Gearbox Choices

5-speed manual

Claimed Fuel Efficiency

26.08 km/kg
CNG Tank Capacity 60-litres

The Ertiga CNG is only available in VXI trim that retails at Rs 9.36 lakh (ex-showroom). 

Also Read: Maruti Cars Offered With Benefits Of Up To Rs 53,000 This Month

10. Hyundai Xcent Prime

hyundai xcent prime cng price

While the Aura sedan has already replaced the Xcent for regular use, the Xcent prime is still available exclusively for fleet operators. 

Hyundai Xcent CNG Specifications
Engine 1.2-litre Petrol

Max Power

66.3PS (CNG), 81.6PS (Petrol)

Max Torque

98Nm (CNG), 110Nm (petrol)

Gearbox Choices

5-speed manual

Fuel Efficiency

25.4 km/kg
CNG Tank Capacity 65-litres 

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