Nissan Armada - (formerly called Pathfinder Armada) - full-size SUV, manufactured by Nissan since 2004. Nissan Armada is built on a proprietary platform, Nissan F-Alpha, which shares with the Nissan Titan (pickup), Nissan Xterra (SUV), Nissan Frontier (pick-up vehicle) and Nissan Pathfinder (SUV). Luxury version of the Nissan Armada is sold as Infiniti QX56.