Cars.com reviewer Joe Wiesenfelder had his doubts about the 2009 Chevrolet Cobalt SS before he even climbed inside the car. Citing GM’s penchant for amping up performance on otherwise poorly executed cars in a grand distraction effort, he nonetheless finds that the automaker has made some key improvements to the Cobalt SS. Read his full review to find out where Chevy’s compact has made the biggest strides.