passenger vehicle
Formal or technical term for a vehicle designed to carry passengers, such as a car or bus. In everyday conversation, 乗用車 is more common.
This factory manufactures parts for passenger vehicles.
More common, everyday term for a passenger car. 乗用自動車 is longer and more formal/technical.
Compound of 乗用 (じょうよう, 'for riding') + 自動車 (じどうしゃ, 'automobile').