The 2010 Nissan Xterra is available as a 4-door, 5-seat sport utility. Starting at $22,750, the 2010 Nissan Xterra X (M6) 4x2 is powered by a 4.0L , 6 -cylinder engine mated to a manual transmission that returns an EPA estimated 16-mpg in the city and 20-mpg on the highway. The top of the line 2010NissanXterraSE (A5) 4x4 , priced at $ 30,700 , is powered by a 4.0L , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 15-mpg in the city and 20-mpg on the highway.