The list of unsafe cars points to two trends. First, the least-safe cars are cheap. However, some luxury cars have subpar crash-test scores. The Jaguar X-Type sedan from Ford Motor and the Infiniti G35 and M model lines from Nissan Motor received one "poor" rating each, which was alarming but not enough to merit placement on our list
taken from
http://biz.yahoo.com/weekend/leastsafe_1.html
wow, watch out for that unsafe japanese car!