My reviews are subjective. The products or cars mentioned are not sponsored. Verify info independently. Personal experiences may vary. Consult professionals before decisions. Thanks for understanding.
It is because of fuel emission norms. If Volkswagen makes BS-6 diesel cars, they want to invest more money than petrol. It is difficult to make or upgrade the BS-4 engine to BS-6 in diesel. This is my statement, I think there are other several reasons for it.