Quote Originally Posted by BappaBa
Как понимать последнюю строку?
But I can tell a dealer by the color of his paint.
I believe, I recognize the country music. Is it not?

I love this last line, sounds very impressive to me. I think, it means "I can read a person by their looks." It is a general meaning, but, since we are talking about a car dealer, it may mean "I can tell what the dealer is up to (what he has in mind) by his manners, by how he acts, what he says."