For under $20,000 MSRP, this new Fiat 500 Turbo gives yet another option with turbo performance to the line which includes the nonturbo powered 500 POP ($15,500), 500 Sport ($17,500), 500 Lounge ($18,500), 500 C Cabriolet ($19,500), luxury level 500 by Gucci ($23,750) and the turbo powered Abarth Ju...