The 2019 Nissan Maxima is available as a 4-door, 5-seat sedan. Starting at $34,050, the 2019 Nissan Maxima S 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 30-mpg on the highway. The top of the line 2019NissanMaximaPlatinum , priced at $ 41,540 , 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 30-mpg on the highway.