With a time of 7:59:32, the new CTS-V might be the fastest ever documented sedan to lap the famous track, according to
this article from Motor Trend.
After doing a little bit of research, it seems that it has blitzed the times attained by its targeted Bavarian rivals... According to the German car magazine Sport Auto, the fastest an E60 M5 has lapped the 'ring was in 8:13, an E63 M6 posted an 8:09, and E92 M3 did it in 8:05.
It's a very good day for Cadillac... big kudos to GM
