For years, General Motors has been trying, and failing, to build a car that could compete with BMW's 3-series. The ATS is this year's fighter and has been scoring very well in road tests. Unlike other automakers, GM tends to get judged against itself -- how much better a new model is vs. the one it replaces -- rather than the competition. With all that in mind, the ATS is clearly "the best Cadillac ever."
Odds of winning: 3-1
Automakers have a long history of disastrous hookups. Now a key analyst says GM needs to cut Opel loose. Here's a look at 7 other ill-fated unions.