The 2016 Nissan Titan XD is available as a 4-door, 5-seat regular side. Starting at $40,290, the 2016 Nissan Titan XD S Diesel (A6) 4x2 is powered by a 5.0L , 8 -cylinder engine mated to an automatic transmission that returns an EPA estimated The top of the line 2016NissanTitan XDPRO-4X Gas (A7) 4x4 , priced at $ 45,970 , is powered by a 5.6L , 8 - cylinder engine mated to an automatic transmission that returns an EPA estimated