America has never had a car quite like Cadillac’s burly CTS-V. In sedan form there is no Yankee rival; the Chevy SS doesn’t even come close. And even the Germans, with all their prodigious RS4s and M3s and C63s, unexpectedly tinkled their Lederhosen when Caddy first unveiled the Corvette V8-powered performance machine. Bristling with 556-horsepower and […]