The 2023 Nissan Sentra is available as a 4-door, 5-seat sedan. Starting at $19,950, the 2023 Nissan Sentra S is powered by a 2.0LL , 4 -cylinder engine mated to an automatic transmission that returns an EPA estimated 29-mpg in the city and 39-mpg on the highway. The top of the line 2023NissanSentraSR , priced at $ 22,840 , is powered by a 2.0LL , 4 - cylinder engine mated to an automatic transmission that returns an EPA estimated 28-mpg in the city and 37-mpg on the highway.