She starred as Rhonda in the AAMI Safe Driver rewards series of commercials. The ad and her character's love story within it, consequently became a major part of Australian popular culture.
McElhinney is known for appearing in many Australian television series and films, including a recurring role in 2002 and 2003 on MDA, small roles in various crime and medical dramas, and a guest role as a shop assistant in Kath & Kim. She also appeared in the film The Bank.