You are behind the Crown Vic times. The Thecarconnection.com had an article titled Numbers Don't Damn the Crown Vic. Basically, far more so than the Pinto case the statistics, not the scare tactics, the stats don't agree that their is anything inherently wrong with the Crown Vic with regards to rear impact safety.
Sadly the article is off their site. However here is the results of one of the lawsuits
http://www.consumeraffairs.com/news0...crown_vic.html
Quoting that article suggests you are falling for the same hysteria that accompanied the Audi as well as the current Toyota fear. Well, except that the Crown Vic's record of fires is actually quite admirable where as Toyota's unintended acceleration problem is much worse than the admittedly very low industry rate.