The rear end of a Fiat 500, foreground, is seen next to a Jeep Patriot at the Chrysler Group LLC headquarters in Auburn Hills, Mich. , Wednesday, Nov. 4, 2009 Chrysler flopped in the midsize sedan market, the largest and most competitive for American cars. Now, new Italian management is promising to change that by bulking up a small Fiat for U.S. drivers.
