Which is better Hyundai Elite i20 2017-2020 petrol or Hyundai Elite i20 2017-2020 diesel?

This basically depends upon the distance that you are going to cover each day in your Hyundai i20. If the distance traveled is less than 50 kilometers then it is better you go for petrol other going for diesel will be a economical choice as it will be more fuel efficient in the long run.