The 2008 Mazda MAZDASPEED3 is available as a 4-door, 5-seat hatchback. Starting at $24,155, the 2008 Mazda MAZDASPEED3 Grand Touring is powered by a 2.3L , 4 -cylinder engine mated to a manual transmission that returns an EPA estimated 18-mpg in the city and 26-mpg on the highway. The top of the line 2008MazdaMAZDASPEED3Sport , priced at $ 22,440 , is powered by a 2.3L , 4 - cylinder engine mated to a manual transmission that returns an EPA estimated 18-mpg in the city and 26-mpg on the highway.