The 2006 Nissan Maxima is available as a 4-door, 5-seat sedan. Starting at $27,900, the 2006 Nissan Maxima SE (A5) is powered by a 3.5L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated 20-mpg in the city and 28-mpg on the highway. The top of the line 2006 Nissan Maxima SE (M6), priced at $27,900, is powered by a 3.5L, 6-cylinder engine mated to a manual transmission that returns an EPA estimated 20-mpg in the city and 29-mpg on the highway.