The Mitsubishi Sigma is a midsize sedan that was produced across multiple generations primarily during the 1970s and 1980s. Known for its spacious interior and reliable performance, the Sigma was positioned as a practical family car with variations in size and design throughout its production span. The model evolved from simple, utilitarian styling to more refined, modern looks, adapting to changing automotive trends. Each generation brought differences in dimensions and features, making the Mitsubishi Sigma a noteworthy model for enthusiasts and car size comparisons.