Porsche 356 Speedster 1957 - with low, raked windscreen [removable for weekend racing], bucket seats and minimal folding top. Production of the Speedster peaked at 1,171 cars in 1957 and then started to decline. It was replaced in late 1958 by the "Convertible D" model. In 1959 356B "Roadster" convertible replaced the D model. The soft-top 356 model sales declined significantly in the early 1960s.