The Chrysler 300C was introduced for the 1957 model year. The third variant of the 300 Letter Series, the 300C saw the model add a Convertible variant alongside the two door Hardtop. The 300C saw the model go through a design update which featured a new front grill and larger tailfins. The 300C was fitted with a 6.4L V8 offered in two different tunings, the standard engine offered was tuned to 375hp, while the limited edtion (only 18) 390hp tuning was also available. Production only lasted for the 1957 model year, and the 300C was replaced by the Chrysler 300D.