Cadillac unveiled the XTS Platinum Concept and the CTS-V Coupe at the NAIAS 2010 in Detroit. The XTS Platinum Concept was designed from the inside out, re-imagining the luxury sedan as a personal headquarters, built for efficiency, luxury and connectivity. The CTS-V Coupe is a new luxury sports coupe designed to become the centerpiece of the brand’s revised lineup, slated to arrive in showrooms in the spring of 2010.