Mazda MX-5 Miata Spyder Previewed At SEMA in Las Vegas Mazda fans something to get excited SEMA with a few concepts Miata MX-5. The MX-5 Miata Spyder Concept Car from the standard folding soft top or retractable hardtop mechanism for a light grenadine red cloth for the Porsche Boxster Spyder. The appearance of the roadster [...]