Consumer Reports has released its Best & Worst Used Cars list for model years 2003 through 2012 based primarily on reliability and safety. Among those models making the worst list are: BMW 7 Series, Ford Explorer (V6, 4WD), Kia Sorrento (V6), and the Mini Cooper S. The Honda Civic Hybrid has been in trouble lately with nearly 20% of 2009 MY owners needing a replacement battery.