Whanganui police are seeking the public's help to find 27-year-old Michael Stewart who has been missing since Monday.
Police are also seeking any sightings of his car, a white Toyota Caldina, similar to the one pictured, with registration number EDD7.
Family members reported Mr Stewart missing on the afternoon of Monday, February 27, after he hadn't been seen at his Whanganui home all day.
He has still not returned home and police, family and friends are seriously concerned for his well-being.
He is described as approximately 1.75m with a medium build and facial hair.
Police ask anyone who may be able to assist with locating Mr Stewart to contact their local police station as soon as possible.
Alternatively, information may be provided anonymously to Crimestoppers on 0800 555 111.