The Desoto Firedome was a full-size automobile produced by DeSoto 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.