The 2015 Nissan Titan is available as a 4-door, 5-seat regular side. Starting at $29,640, the 2015 Nissan Titan S 4x2 King Cab is powered by a 5.6L , 8 -cylinder engine mated to an automatic transmission that returns an EPA estimated 13-mpg in the city and 18-mpg on the highway. The top of the line 2015NissanTitanSL 4x4 Crew Cab , priced at $ 43,860 , is powered by a 5.6L , 8 - cylinder engine mated to an automatic transmission that returns an EPA estimated 12-mpg in the city and 17-mpg on the highway.