Diesel vs CNG Car: Which fuel option will be beneficial for you? Know

Diesel vs CNG Car: Which fuel option will be beneficial for you? Know

by with No Comment Car Review

Nowadays, buying a car has become a big decision. Especially when it comes to fuel option. Diesel and CNG are two popular fuel options, especially in cities like Delhi. Diesel cars are known for their durability and long range capability, whereas CNG cars are known for their cheap running costs and eco-friendly nature.

In such a situation the question arises that which option is better for you? It depends on your driving pattern, budget and needs. The price of diesel in Delhi in February 2026 is approximately ₹ 87.67 per liter, while the price of CNG is ₹ 77.09 per kg. Let us know about these two, so that you can take the right decision.

Price and running costs

First of all let's talk about running cost. The main advantage of CNG cars is their low cost. For example, an average CNG car gives a mileage of 25-30 km per kg. If you drive 1 km, the cost of CNG is approximately ₹ 2.77.

At the same time, diesel cars give mileage of 20-25 km per liter. The running cost of diesel is around ₹ 3.90 per km. If you drive 20,000 km annually, CNG will cost you ₹ 55,400, while diesel will cost you around ₹ 78,000. This means CNG will save ₹ 22,600 annually. However, the starting price of CNG cars is slightly higher than diesel. For example, the price of Tata Punch CNG starts from ₹ 7.3 lakh, while the diesel variant may be slightly cheaper.

Mileage and performance

CNG is ahead in terms of mileage. Popular cars like Maruti Swift CNG gives 32.85 km/kg, while diesel is better on the highway, like Hyundai Venue diesel gives 24 km/l. However, CNG has less power. Like 100hp in Nexon CNG, but more torque is available in diesel. If you drive a lot on the highway or carry heavy load, then diesel is a better option. At the same time, high mileage of CNG is beneficial for traffic in the city. In real-world tests, Tata Altroz ​​CNG gives 25.11 km/kg, which is better than diesel's 24.2 km/litre.

Maintenance and servicing

Diesel cars are expensive in maintenance. Due to the complex parts of diesel engine, spare parts and service cost is high. This may cost Rs 10 to 15 thousand annually. Maintenance is a little more in CNG cars because the kit needs to be checked. Like frequent servicing of spark plugs and filters.

Overall, if your running is more than 15,000 km, then the savings on CNG cover the maintenance. The life of CNG engine is like petrol, but there is less wear and tear than diesel. However, CNG may require more maintenance after a year if the running is less. There is good availability of CNG stations in Delhi, but diesel is easily available everywhere.

Environment and other factors

CNG is cleaner from environmental point of view. Lower emissions, such as CO2 and particulate matter. Diesel causes more pollution, due to which diesel cars are being banned in many cities. CNG cars are the most eco-friendly option after EV in 2026. Boot space is less in CNG because of the tank, whereas there is no problem in diesel. Diesel is better in resale value if the car is in good condition, but demand for CNG is increasing. If your running is less (10,000 km/year), then diesel is of no use because maintenance will be more. At the same time, CNG gives 20-30% savings in long running.

Which one is right for you?

If you drive a lot in the city, want low running costs and care about the environment, then CNG is better. Like Maruti Ertiga CNG or Tata Nexon CNG. If you want long trips, more power and torque, then choose diesel. Like Kia Sonet Diesel. Overall, the benefits of CNG are more visible in 2026. Especially in Delhi where CNG infrastructure is strong. Before buying a car, take a test drive and calculate your budget.

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Buying your first car with a budget of ₹ 10 lakh, which is better between petrol and CNG? Know

Buying your first car with a budget of ₹ 10 lakh, which is better between petrol and CNG? Know

by with No Comment Car Review

First Car Buying Tips: Buying your first car is a dream of almost everyone. If you are also looking for your first car in the coming days in a budget of up to Rs 10 lakh and are confused about which to choose between petrol or CNG, then this article of ours is useful for you. There are good hatchbacks to small and better SUVs to choose from in the segment priced below Rs 10 lakh. First time car buyers are often confused about two things.

The smooth performance and power of the engine should be given priority or the huge savings in fuel expenses incurred every month should be kept in mind. On one hand, petrol cars are considered reliable for their refined driving and long distance journeys, while on the other hand, CNG cars with modern technology like 'twin cylinder' have solved the age-old problem of boot space to a great extent. In such a situation, let us know which fuel option will be the best option for you in the budget of ₹ 10 lakh? We will look at different facts.

1. Running Cost and Mileage

If you are buying your first car mainly for going to office or driving within the city, where the daily journey is 40-50 kilometers, then CNG is the most economical option for you. Compared to petrol, the mileage of CNG is around 25-34 km/kg, which reduces your running cost to almost half as compared to petrol. At the same time, if your car goes out only once or twice a week or the total journey in a month is less than 500 km, then the initial low price of petrol car will be more beneficial for you.

2. Performance and driving experience

Driving feel is very important for those who drive a car for the first time. Petrol engines are known for their silent working and instant pickup (torque). Petrol engines give more confidence while overtaking on the highway or climbing mountains. Although companies like Maruti and Tata have refined their CNG kits a lot, still there is a lack of 10-15% power compared to petrol.

3. Boot Space and Utilities

Often the first car is used for family trips. In old CNG cars, the boot space was completely lost due to the cylinder. But in 2026, Tata Motors' 'Twin Cylinder' technology has changed this, where the cylinders have been shifted down and there is space for luggage on top. Still, in a pure petrol car you get full cargo space without any compromise, which is essential for long trips.

4. Maintenance and Resale Value

Servicing petrol cars is usually cheap and simple. In CNG cars, it is necessary to get the cylinder checked and leakage tested every few years. Talking about resale value, in olden times the demand for petrol cars was high, but due to the rising prices of fuel, now both the demand and price of company-fitted CNG cars have started getting quite good in the second hand market.

What's right for you?

If you are fond of driving, you need more power, your running is less and you like to travel with a lot of luggage in the boot, then petrol vehicles are best for you. At the same time, if your aim is to keep fuel expenses low, your daily running is high and you spend more time in city traffic, then feel free to buy a CNG car.

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