The 2002 Porsche Boxster is available as a 2-door, 2-seat convertible. Starting at $42,600, the 2002 Porsche Boxster Base (M5) is powered by a 2.7L , 6 -cylinder engine mated to a manual transmission that returns an EPA estimated 19-mpg in the city and 27-mpg on the highway. The top of the line 2002PorscheBoxsterS (M6) , priced at $ 51,600 , is powered by a 3.2L , 6 - cylinder engine mated to a manual transmission that returns an EPA estimated 18-mpg in the city and 26-mpg on the highway.