ワンオーナー

noun which may take the genitive case particle 'no', noun

one-owner; single previous owner

Used mainly for used cars or other vehicles to indicate they have had only one previous owner. Often appears in advertisements or listings.

• この中ちゅう古こ車しゃはワンオーナーで、状じょう態たいがとても良よいです。

  This used car is one-owner and in very good condition.

• ワンオーナー車しゃを探さがしています。

  I'm looking for a one-owner car.