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"It&amp;#039;s tough to be the king. Sit upon a throne long enough and someone&amp;#039;s bound to come along and try to knock you off\u2014as was the case in the summer of 2008 when Cadillac released its all-new CTS-V to challenge the nearly 4-year-old sports sedan king, the BMW M5 (2009 Cadillac CTS-V vs. 2008 BMW M5 SMG). It was a historic moment that has helped to redefine Cadillac&amp;#039;s image. GM&amp;#039;s luxury division made no bones about it in 2008, as it specifically developed the CTS-V to knock the 2005\u20132010 E60 M5 off its pedestal. BMW graciously rose to the challenge and fought it out with the upstart on the racetrack, the BMW driven by Bill Auberlen and the CTS-V by John Heinricy. Not surprisingly, the CTS-V narrowly edged out the M5. If it hadn&amp;#039;t, we suspect someone in Cadillac&amp;#039;s engineering department would have been fired. Fast forward and BMW is now ready for some payback with its new F10 M5.   Video window may take a few moments to load...          This time, however, we&amp;#039;ve skipped inviting the pro drivers in favor of driving ourselves. We wrangled up the first manual-transmission BMW M5 in the U.S. and took it to Spring Mountain Motorsports Ranch in Pahrump, Nevada, where the CTS-V\u2014now in its fourth year\u2014stoically waited to get its clock cleaned. Turnabout is fair play, and the boys at Cadillac know it; it&amp;#039;s put up or shut up with these two. As icing on the cake, we did some back-road driving and then performed acceleration testing on the 7-speed MDCT-equipped M5 for good measure. On track, it&amp;#039;s all about the 6-speed manuals and an apples-to-apples comparison brawl that left these two blacker and bluer than when they arrived.        2013 BMW M5 vs. 2012 Cadillac CTS-V         2013 BMW M5 vs. 2012 Cadillac CTS-V         2013 BMW M5 vs. 2012 Cadillac CTS-V   "^^<http://www.w3.org/2001/XMLSchema#string>
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