http://www.ft86club.com/forums/showthread.php?t=36549
Depends, you're going to pay more if you're driving 2,000 miles a year in Atlanta than 5,000 miles a year in middle of nowheres-ville. Not to mention your personal information such as credit and the deductible you set and the limits on payouts and such.
Could be $50/month, could be $350/month.