The DeSoto Six was first introduced in 1929 and was badge engineered from the 1929 Chrysler Six Series 62 with the same 109.75 in (2,788 mm) wheelbase, while it offered a smaller 174.9 cu in (2.9 L) Chrysler I6 with an overall length of 169 in (4,293 mm). It was offered in four two-door sedan configurations and three four-door sedan body styles. It used the Series K designation for two years then was updated to the Series CK in mid-1930.