Cadillac has not released any official photos of the new CT6. This concept photo that shows up in Google searches has been posted by topspeed.com
General Motors’ luxury nameplate confirmed Friday that it will debut an all-new, full-size luxury car at the New York Auto Show on March 31.
The new vehicle, to be called the CT6, goes into production at the end of this year as a 2016 model.
Los Angeles Times article here