Cadillac Series 355Cs for Sale The Cadillac Series 355C was manufactured by General Motors in 1933 and was the third in the 355 series of the early luxury car brand. These cars were exceptional for the time and versatile as well. They came in two- and four-door models, coupes, sedans, convertibles, and even limousines. The third generation Cadillac Series 355C included a new style of windows that pivoted and allowed for venting in the interior of the car. To find one of these 1933 classics, you can search the classifieds at FossilCars.