Der Metropolitan wurde in den Vereinigten Staaten entworfen und es entstand ein Prototyp, der NXI (Nash Experimental International), den "William J. Flajole" für Nash-Kelvinator baute. ###>The Metropolitan was designed in the U.S. and it was patterned from a concept car, the NXI (Nash Experimental International), that was built by Detroit-based independent designer William J. Flajole for Nash-Kelvinator.