The 2010 Nissan Armada is available as a 4-door, 7-seat sport utility. Starting at $49,690, the 2010 Nissan Armada Platinum 4x2 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 18-mpg on the highway. The top of the line 2010 Nissan Armada Titanium 4x4, priced at $45,240, 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 18-mpg on the highway.