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India’s Top 10 Fuel-efficient CNG Cars in 2022

India's Top 10 Fuel-efficient CNG Cars in 2022

Maruti Suzukis current order book of 126,000 CNG powered cars is proof of the popularity currently enjoyed by CNG vehicles in India. The CNG models themselves account for 33 percent of Maruti’s nearly 400,000 pending orders.

While other OEMs such as Tata Motors and Hyundai Motor India also offer CNG models, they do not offer as extensive a lineup of CNG models as Maruti with seven models in the hatchback, sedan and MPV segments. Here we take a deep dive into the Top 10 most fuel efficient CNG passenger cars in India, with ARAI certified fuel efficiency figures.

1. Maruti Suzuki Celerio – 35.60 km/kg
The Celerio CNG is currently the most fuel efficient CNG vehicle in India. Powered by the same 1.0-litre K10C as the Wagon R, the Celerio CNG delivers a slightly lower fuel consumption of 35.60 km/kg. In CNG spec, the Celerio produces 57 hp and 82 Nm of peak torque – identical to the Wagon R. Maruti Suzuki offers the Celerio CNG only in the mid-spec VXi trim, priced at Rs 669,000. The Celerio is the most economical hatchback in the country, in both CNG and petrol versions.

2. Maruti Suzuki Wagon R – 34.05 km/kg
While the Wagon R is available with two engine options – the 1.0-litre K10C and the 1.2-litre K12C – only the former is offered in CNG specification. The engine produces 57 PS and 82 Nm in CNG specification and has a claimed fuel consumption of 34.05 km/kg. Offered in two trims – LXi and VXi – the Wagon R CNG costs between Rs 642,000 to Rs 686,000.

The Wagon R CNG comes with a 60 liter fuel tank, but unlike its petrol counterpart, it does not have a stationary start-stop system.

3. Maruti Suzuki Alto 800 – 31.59 km/kg
Maruti Suzuki recently launched the third generation Alto K10 in India, but the second generation model will remain for sale with the smaller 0.8-litre engine offered in both petrol and CNG versions. The 796cc three-cylinder engine produces 40 hp and 60 Nm peak torque in CNG specification and has a fuel consumption claimed by ARAI of 31.59 km/kg. This makes it the least powerful CNG-powered vehicle in the country, but it is also the most affordable at Rs 503,000, and is available in a single LXi(O) trim.

The new Alto K10 with its 1.0-litre K10C engine will also be offered in the near future with a factory-fitted CNG kit and could even be more efficient than the 0.8-litre version.

4. Maruti Suzuki Dzire CNG – 31.12 km/kg
The Dzire CNG is powered by the same 1.2-litre K12C engine as the recently launched Swift CNG, and while power and torque are identical on both models, the Dzire CNG is slightly more efficient with an ARAI claimed figure of 31.12 km/kg . This despite the extra weight compared to the Swift hatchback. The Dzire CNG rivals that of the Aura CNG (28.5 km/kg) and the Tigor CNG (26.49 km/kg), and while it is both more efficient and more powerful, it is also the most expensive of them all.

Like the Swift, the Dzire CNG is also available in the mid-spec VXi and ZXi trim levels and costs between Rs 823,000-891,000.

5. Maruti Suzuki Swift CNG – 30.90 km/kg
Launched earlier this monththe Fast is the latest model in Maruti Suzuki’s lineup to be offered with a factory-fitted CNG kit. It is powered by a 77 PS, 98.5 Nm, 1.2-litre four-cylinder engine in CNG specification, and delivers ARAI-certified fuel consumption of 30.90 km/kg. That makes it more efficient than its rivals Hyundai Grand i10 Nios (28.5 km/kg) and Tata Tiago (26.49 km/kg). The Swift CNG is also the most powerful of the lot.

Available in mid-spec VXi and ZXi trim levels, the Swift CNG costs Rs 777,000 to Rs 845,000, and is the only model in its class that can be used on a subscription basis.

6. Hyundai Grand i10 Nios CNG – 28.5km/kg
With Hyundai official to pull the plug on the santro hatchback, the Grand i10 Nios is the brand’s only budget hatchback on sale today. With a CNG kit offered on Magna and Sportz variants, the Grand i10 Nios starts from Rs 716,000 and goes up to Rs 769,000, making it the most expensive hatchback among rivals. The hatchback is powered by a 1.2-litre four-cylinder engine that produces 69 hp and 95.2 Nm in CNG mode and 83 hp with 113 Nm in petrol-only mode.

But even with a 60 liter CNG tank on board, the Grand i10 Nios offers a claimed mileage of 28.5 km/kg, which is marginally better than the Tiago iCNG.

7. Hyundai Aura – 28.5km/kg
Like the Grand i10 Nios, the Aura has been on sale in India for over two years now. During this period, Hyundai introduced the CNG version of the Aura which is offered in S and SX trims costing Rs 787,000 and Rs 856,000 respectively. It is powered by the same 1.2-litre four-cylinder engine as its hatchback counterpart, producing 69 hp and 95.2 Nm in CNG mode and 83 hp with 113 Nm in petrol-only mode.

Compared to the Tigor iCNG, the Aura CNG offers a higher claimed mileage of 28.5 km/kg from its 65-litre tank. During our test drive from the compact sedan, we loved the premium cabin layout with multiple convenience features. However, we found the styling of the Aura polarizing. In addition, the lack of adjustable front headrests with excessive lumbar support on the seats can cause discomfort during long hours of driving.

8. Tata Tiago iCNG 26.49 km/kg
Tata Motors entered the CNG market in early 2022 with the Tata Tiago iCNG hatchback and the Tigor iCNG sedan. The carmaker launched the Tiago CNG in four variants, including the base XE trim and the top-of-the-line XZ+. The goal is to suit a cost-driven buyer as well as someone looking for a more premium user experience.

With the CNG tank in the trunk, Tata has also kept the regular petrol tank, which has a capacity of 35 liters, while the CNG tank is 60 liters, allowing you to get about 10 kg of gas in the tank. Tata claims a mileage of 26.49 km/kg of gas.

9. Tata Tigor iCNG – 26.49 km/kg
Launched together with the Tiago iCNG, the Tigor iCNG is the most affordable compact sedan on the market. It shares the same powertrain as its Tiago brother and produces 70 hp and 95 Nm in CNG mode and 86 hp with 113 Nm in petrol-only mode. Tata is offering the CNG kit in two top specs – XZ and XZ+, costing Rs 784,000 and Rs 844,000 respectively.

And just like the Tiago iCNG, the Tigor iCNG also offers the least claimed fuel consumption: 26.49 km/kg. In our in-depth review, we appreciated the Tigor iCNG’s easy driving dynamics and Harman audio system. We didn’t like the petrol’s fuel economy, limited boot space, and claimed range, though. You can also view our real-world fuel economy test of the Tigor iCNG by clicking here.

10. Maruti Suzuki Ertiga – 26.11 km/kg
The most expensive CNG car on sale today, the Ertiga will be offered in VXi and ZXi trims starting at Rs 10.44 lakh, rising to Rs 11.54 lakh. the recently updated 2022 Ertiga is powered by a 1.5-litre K15C engine mated to a five-speed manual transmission. The MPV delivers 86 hp and 121 Nm in CNG mode and 99 hp with 136 Nm in petrol-only mode.

The Ertiga CNG has no direct rivals in the segment, making it the only 7-seater MPV with feel-good features as seen on other Maruti vehicles. With a 60 liter tank on board, the Ertiga CNG offers a claimed mileage of 26.11 km/kg. Despite its expensive price tag, the Ertiga offers a plush ride with seating comfort and space.

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India’s Top 10 Fuel-efficient CNG Cars in 2022
Of the 11 CNG cars for sale in India, Maruti Suzuki has seven, while Hyundai and Tata Motors have two each.
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