The 2012 Nissan Maxima is available as a 4-door, 5-seat sedan. Starting at $32,420, the 2012 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 2012 Nissan Maxima SV, priced at $35,120, 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.