Chrysler drops the top for the Fiat 500cChrysler is ready to serve up the convertible variant of the Fiat 500 just in time for the warm weather. The 500c cabriolet made its debut today at the New York auto show. It is powered by a 101-hp, 1.4-liter engine. Buyers have a choice of a five-speed manual or six-speed automatic transmission.