It's called a Kaiser DarrinAwesome cars! But what this car? I ever have seen this before.
More info: Kaiser Motors - Wikipedia, the free encyclopediaDarrin, the first production fiberglass sports car in the USA, beating the Corvette to market by one month. Featured a unique "pocket door" design that made the doors slide into the fender of the car. Only 435 were made for the 1954 model year.