I think yes it is possible,  because bitcoin is virtually concept which is now being accepted by many brands.  Bitcoin is continously growing up and it's price are skyrocketting.  Buying a car from bitcoin without further Is possible,  if any popular brand of car start accepting bitcoins as mode of payment,  many restaurants and hotel are accepting bitcoins as payment,  but still any car brand has not come in this yet,  but I think that with the rate by which bitcoin is trending this will be possible very soon.  That a person could buy a car with bitcoin without no need to convert it into Fiat.