GM has spent much of the past several months prepping for the debut of the all-new 2013 Cadillac XTS luxury sedan, and more recently has spared little effort on the forthcoming "BMW 3 Series-killer," the 2013 Cadillac ATS.
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March is when sales begin their ascent through about September.
It's not a matter of if, but when.
With so many genuinely good luxury sedans coming out of Germany and Japan, how does Cadillac make American luxury relevant?