In my country, I have not seen a dealer or have I heard of any dealer accepting crypto as payment and make it public. But I believe that if someone is willing to make a payment in Bitcoin with some dealers, they will accept it.I have seen online that there are some car manufacturers that were accepting Bitcoin as payment, like Tesla. I don't know about now, but Tesla was accepting Bitcoin some years back.
There are places I have seen and heard of, like lagos were dealer will accept crypto in the value of what you are buying, and it will have to be in usdt since it gives the same reading as dollars, and most cars are sold in that currency, and even in the case of those manufacturers, they will have a specific type of crypto that they accept and i think it was tesla that was accepting Dogecoin as a means of payment, but i think it was suspended.
The adoption of crypto is increasing and almost everyone are getting aware about crypto, especially Bitcoin, so people are already beginning to accept Bitcoin as payment. In fact, there are many places where Bitcoin is being accepted as payment, and that is how it will gradually continue to increase.
And it is good that people are accepting Bitcoin. A lot of people had the wrong meaning of bitcoin investment because they had had a lot of failed experiences in Ponzi, so it took people time to actually accept it and even accept it as a means of payment, and the adoption of bitcoin will keep increasing as it is now.