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  /  General   /  Petrol Vs Diesel Car: Top 5 Parameters to Consider Before Buying a Car  
Petrol Vs Diesel Car: car insurance comparison

Petrol Vs Diesel Car: Top 5 Parameters to Consider Before Buying a Car  

Petrol Vs Diesel Car: Top 5 Parameters to Consider Before Buying a Car  
4.7 (93.47%) 193 votes

While buying a car, one of the key decisions one has to make is to decide between a Petrol vs Diesel vehicle. While there is no simple answer for this debate, the following points can help you reach a decision:

Petrol Vs Diesel Car Cost

The diesel variant of cars cost more than the petrol variant. For cars which cost less than 10 Lakhs, the showroom price between diesel and petrol variants differs from 1 to 1.5 Lakhs. The difference in the on-road price of petrol and diesel car variants will be even more. This is because the cost of registration for the diesel car is more than that of the Petrol car; the difference is about 1 to 3% depending on the cost of the vehicle and the State where it is purchased.

Petrol vs Diesel Car Mileage

The mileage of diesel engine is more than that of a Petrol engine. A diesel engine does not need a spark plug and thus has higher compression. This makes the diesel engine utilise more fuel as compared to a petrol engine. The better mileage of a diesel engine makes it easy to cover the extra cost of the car paid initially, but with increasing cost of cars, the time required to recover this cost has increased.

Petrol vs Diesel Price

Since last one year, the prices of diesel and petrol have seen a big hike in India. In 2017, diesel price was 55.94 Rs. per liter which is now touching 74 Rs per liter. Whereas the petrol was at Rs. 66.91 which is now 82.16 Rs. per liter. The above statistics shows that the difference between both is reducing day by day, as last year the difference in both was 11 Rs per liter, but now after one year, in 2018, the cost of diesel is just Rs. 8 less than that of petrol per liter and is further decreasing day by day. If this situation continues, soon we will see that there will be no price difference between Petrol and Diesel in the forthcoming years.

It has been noticed that since August-mid, the prices of petrol have been increased by almost Rs. 3.5 litre whereas diesel prices has increased by Rs 4/ Litre. Soon there will be time, when petrol and diesel will be of same price. In fact, there are states like Odisha where Diesel is already costing more than Petrol which is really unexpected. Though the difference is just a few paise per liter but this is happening for the first time in the history of India that diesel costs more than petrol.

Petrol Diesel Prices

Cities Petrol Price

(9th October 2018)

Diesel Price

(9th October 2018)

Mumbai  87.78  77.72
Chennai  85.56 78.40 
Delhi  82.32  74.16
Kolkata  84.14 76.01 
Hyderabad  87.26  80.66
Bangalore  82.96 74.54 

Source: MyPetrolPrice

Smooth Drive

Apart from a fact that diesel engines are more powerful than petrol engines, they also have a higher torque and hence they give a smoother drive. On the other hand, the harshness, noise, and vibrations in diesel driven cars are way higher than that of a petrol-driven car which is a big reason of concern. In petrol engines the power developed is low due to compression ratio whereas in diesel engines, the power is more.

Petrol vs Diesel Car Maintenance Cost 

The maintenance cost of diesel cars is higher than petrol cars. This is because consumables like engine oil and spares used in diesel vehicles are more expensive.  The resale value of a used diesel car is higher than that of a petrol car. However, the life of a petrol engine is more than a diesel engine. Read more on the difference between a petrol and diesel engine.

So now that you have the pros and cons of both these vehicles, hope you can choose the one that suits your requirements better.

Whichever vehicle you choose,  make sure that you are carrying all the documents including your Car Insurance. To avoid confusion while buying a car insurance, compare car insurance policies online before making a choice. You can check car insurance quote online.


  • Gaurav Dixit July 13, 2016

    I have to move monthly 1000 km. Average. Which car i have to buy petrol or diesel? At present i have petrol car swift lxi. Now i wnt to change my car. I think for diesel amaze. As per ur advise which one is suitable for me? Can i buy second hand diesel? Petrol bill avg is 5000/-. Very high for me.

  • Rohan Mankotia September 26, 2016

    Will desiel engine can run for 8-10 years ?

  • Mohan October 7, 2016


    I am new to car drive, this is my first car planning to buy.
    usage: not regular use, but will be taken out on occasions. monthly around 1000 km drive is expected.
    Cost: I can afford approximately 7 Lakhs or max 9 lakhs. Note: I am opting loan for this.

    Looking for family car with min maintenance, please suggest the car in India.

  • Govindarao October 25, 2016

    Good info..thank you.I would like like to buy swift desire diesel …make in india

  • Aniket November 30, 2016

    Thanks to Aware me about petrol and diesel engine.

  • Kundan December 3, 2016

    I am planning to buy a new car but little bit confused which to buy had I mind to buy … Tata Tiago….. Celerio…… Swift….Swift dzire… Figo….. Ford ….aspire…. But I m not able to decide which good cars to buy… And which variants.. disel or petrol…if u can guide me on same .. kindly help me out with ur guidance


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