The DeSoto Firedome was a full-size automobile produced by the Chrysler Corporation for its DeSoto

DeSoto (automobile)

The DeSoto was a brand of automobile based in the United States, manufactured and marketed by the Chrysler Corporation from 1928 to 1961. The DeSoto logo featured a stylized image of Hernando de Soto...

 brand vehicles from 1952 to 1959. Introduced as DeSoto's premium line of vehicles in 1953 and 1954, the Firedome also occupied the least expensive position in the model lineup during 1955 and 1956 model years before it was reclassified as a mid-range vehicle offered by DeSoto between 1957 and 1959.
The 1953 Firedome was introduced just prior to DeSoto's 25th Anniversary in 1953, and arrived as the new top series, displacing the Custom

DeSoto Custom

The DeSoto Custom is an automobile produced by the Chrysler Corporation and sold under its DeSoto automotive brand from 1946 until the 1952 model year...

 nameplate which was retired at the end of the 1952 model year.