i am trying to buy a car with my bitcoin without convert my bitcoin to Fiat if its possible suggest me any idea.
Yes, it is possible to buy car with your bitcoin if the car company is accepting bitcoin and if they're adopting bitcoin in their payment transaction. If this is a hassle for you, it is better to exchange your bitcoin into fiat cash to easy and fast transaction.
Another newb to add to the Ignore list. Golegard, learn to read. Your dumb reply has been offered already and is a STUPID completely pointless reply that offers ZERO usefulness.