This high demand and sales of CNG cars are driven by many factors. CNG is much cheaper than petrol or diesel. Also, it gives much better fuel efficiency (mileage). Another interesting thing is that CNG-powered cars usually come with a petrol-CNG combination, allowing the vehicle to run on both petrol and CNG. This means that CNG-fuelled cars are cheaper than electric vehicles when it comes to upfront costs. They also offer a very low cost of ownership.

It is a common dilemma for new car buyers whether they should buy a petrol-only engine car or a petrol-CNG car. To help you in making this decision, here we are telling you about it in detail.

Petrol-only cars vs Petrol-CNG cars
The price of petrol is usually much higher than CNG. Because of this, the cost of ownership or running cost of cars that run only on petrol becomes higher. The upfront cost of petrol-only cars is lower than petrol-CNG models. Maintenance costs for petrol-only cars are lower than for petrol-CNG models. The availability of a large number of petrol refuelling stations is an advantage for cars with petrol engines.

When it comes to petrol-CNG cars, they offer lower running costs than petrol-only models. The reason behind this is that the driver can choose to run the car in CNG mode instead of petrol, which ensures higher mileage. However, the upfront cost of petrol-CNG models is slightly higher than their petrol-only counterparts. When it comes to maintenance, costs are higher for petrol-CNG models. These vehicles come with more complex technology by combining both petrol and CNG powertrain systems. The lack of availability of CNG refilling stations is a problem faced by owners of petrol-CNG cars.

Power output is an issue for CNG cars, as power is reduced in CNG mode compared to petrol mode. However, passenger vehicles in India that are equipped with CNG kits are also equipped with petrol powertrains, so this is not a significant point of difference.

Both petrol-only and petrol-CNG cars have their advantages and disadvantages. You should choose your vehicle only after considering both these factors.

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