The 2009 Mazda MX-5 Miata is available as a 2-door, 2-seat convertible. Starting at $26,350, the 2009 Mazda MX-5 Miata Grand Touring (M6) Convertible is powered by a 2.0L , 4 -cylinder engine mated to a manual transmission that returns an EPA estimated 21-mpg in the city and 28-mpg on the highway. The top of the line 2009MazdaMX-5 MiataGrand Touring Touring (A6) Power Retractable Hard , priced at $ 29,290 , is powered by a 2.0L , 4 - cylinder engine mated to an automatic transmission that returns an EPA estimated 21-mpg in the city and 28-mpg on the highway.