Black Mark IV Jaguar 3 1/2 L from 1945. The Jaguar Mark IV is a line of automobiles built by Jaguar Cars from 1945 to 1949. The cars were marketed as the Jaguar 1½ litre, Jaguar 2½ litre and Jaguar 3½ litre with the Mark IV name later applied in retrospect to separate this model from the succeeding Mark V range.
