The 2005 Maserati Spyder is available as a 2-door, 2-seat convertible. Starting at $91,415, the 2005 Maserati Spyder Cambiocorsa is powered by a 4.2L , 8 -cylinder engine mated to an automatic transmission that returns an EPA estimated 12-mpg in the city and 17-mpg on the highway. The top of the line 2005MaseratiSpyderGT , priced at $ 87,252 , is powered by a 4.2L , 8 - cylinder engine mated to a manual transmission that returns an EPA estimated 12-mpg in the city and 17-mpg on the highway.