Sad that so few people realised the opening poster was cracking a joke. Fiat is an Italian car brand.
"I want to exchange Bitcoin for a car without converting to Fiat"
Notice the capital "F"
Off-topic is
here, sir. Bitcoin discussion wasn't made for jokes.
And I'm not saying you should not joke, but here is not the place for that. People took this board very serious.
Nobody is asking to buy a Fiat model car. He means Fiat currency. Capitalization does not matter to the OP, or me.
That was not a joke, because it would not have even been funny.