The Miata is a lot of fun to drive, with the roof up or down. MazdaMazda has made over 1.2 million MX-5 Miata cars since it debuted in 1989.It has become the world's best-selling roadster and remains more affordable than some rivals.The Miata is great fun to drive, the roof can go up or down in a flash, and it looks brilliant.The Mazda Miata, or the MX-5 as it's known outside the US, first hit the road in 1989 and has often been named as the world's best-selling roadster in the decades since.