Diamond-Star Motors (DSM) was an automobile-manufacturing joint venture between the Chrysler Corporation and Mitsubishi Motors Corporation (MMC). The name came from the parent companies' respective logos: three diamonds (Mitsubishi) and a pentastar (Chrysler). Diamond-Star Motors was officially renamed Mitsubishi Motor Manufacturing of America, Inc. (MMMA) in 1995, four years after Mitsubishi took sole control of the plant, and from 2002 to 2016 its official name had been Mitsubishi Motors North America, Inc. (MMNA) Manufacturing Division.

The Eagle Summit is a line of subcompact cars produced for two generations by Mitsubishi and sold by Eagle from 1989 until 1996. It was marketed as a captive import by the Jeep-Eagle sales division that was established after Chrysler Corporation purchased American Motors Corporation (AMC) in 1987.