I would call the Porsche a mid-size luxury car [0] and the rolls-royce a full-size luxury care [0] and the BMW maybe an entry-level luxury car. I don't know if

I would call the Porsche a mid-size luxury car [0] and the rolls-royce a full-size luxury care [0] and the BMW maybe an entry-level luxury car. I don't know if I agree with the naming conventions but it seems appropriate when coupled with the article on wiki [0] [0] https://en.wikipedia.org/wiki/Car_classification https://en.wikipedia.org/wiki/Car_classification