The 2009 Nissan Maxima is available as a 4-door, 5-seat sedan. Starting at $30,160, the 2009 Nissan Maxima S is powered by a 3.5L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated 19-mpg in the city and 26-mpg on the highway. The top of the line 2009 Nissan Maxima SV, priced at $32,860, is powered by a 3.5L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated 19-mpg in the city and 26-mpg on the highway.