Why did the man sell his old car?

W: I heard you’ ve sold your car, haven’t you?
M: Yes.
W: Why did you sell it?
M: It was giving me too much trouble. I was spending so much money on it.
W: What was wrong with your old car?
M: The engine needs many repairs and the wheels were giving trouble now and then.
W: Is the new car good?
M: Yes, It’ s newer, more comfortable, and it hasn ’ t given me any trouble at all. When I set off, I’ m quite sure that I’ll be able to get to the other end safely.
W: I hope the new car can make you satisfied.
M: Thank you!