The Chrysler Sigma is a version of the Mitsubishi Galant automobile that was built by Chrysler Australia in Adelaide from 1977. When Mitsubishi Motors Australia (MMAL) took over Chrysler Australia's manufacturing facilities in 1980, they renamed the vehicle the Mitsubishi Sigma. The range was progressively discontinued and replaced by the Mitsubishi Magna, starting with the sedan in 1985 and the wagon in 1987.