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 2016 Nissan Titan XD PRO-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