Fitch went on to design and build a prototype of the Fitch Phoenix, a Corvair-based two-seat sports car, superficially resembling a smaller version of the Mako Shark based Corvette. With a total weight of , even with a steel body, and with the Corvair engine modified with Weber carburetors to deliver , the car delivered spirited performance for $8,760. The ability to produce automobiles on a small scale, along with Chevrolet's decision to terminate production of the Corvair, meant the end of Fitch's plan. He still retained the prototype, and occasionally exhibited it at car shows until his death. One 1 June 2014, the Fitch Phoenix went to auction at Bonhams in the Greenwich Concours and sold for 230,000 US dollars. The car is still in Connecticut with the new owner.