We Join GM At COTA To Give Its Performance Hero A Worthy Sendoff Copyright 2014 Steve Siler / AOL As the saying goes, all good things must come to an end. The honkin’, stonkin’ second-generation CTS-V, powered by Cadillac’s brawny supercharged 6.2-liter V8 has been a very good thing. And now that the 500 final coupes – the only CTS-Vs ...

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