2009 Mazda6 for US Market - Spy shots

These spy shots from Brenda Priddy & Co. show a completely naked prototype that was caught in Detroit. Though at first glance it looks exactly like the 6 that debuted in Frankfurt last year, closer inspection reveals many changes to the car, which corroborates reports we've heard that the U.S. version is also markedly different underneath its skin. Follow the jump for a review of the changes in store for U.S. customers.