A Pontiac might be the rarest muscle car in existence

a one-of-one Canadian built Pontiac Parisienne Safari six-passenger station wagon powered by a 425-horsepower dual quad 409. I read about it in the Dec 2009 Musclecar Enthusiast magazine, but the same info from that author is here: http://www.automotivetraveler.com/index.php?option=com_content&task=view&id=821&Itemid=345