The 1999 Mitsubishi Eclipse Spyder is available as a 2-door, 4-seat convertible. Starting at $21,710, the 1999 Mitsubishi Eclipse Spyder GS (M5) is powered by a 2.4L , 4 -cylinder engine mated to a manual transmission that returns an EPA estimated 22-mpg in the city and 30-mpg on the highway. The top of the line 1999MitsubishiEclipse SpyderGS-T (A4) , priced at $ 27,820 , is powered by a 2.0L , 4 - cylinder engine mated to an automatic transmission that returns an EPA estimated