We have a 2010 Camry with 57,000 miles. We had to replace two tires at 27k and the other two at 38k. The car has been aligned twice, after each alignment we were told that everything was okay and that the alignment wasn't necessary. Tonight I noticed the (passenger side rear tire) has completely worn out far ahead of the other three to the point where is is very badly cupped and practically bald. Why would one tire wear out so much more quickly than the other three? I have always noticed a dragging feeling at slow speeds in this car-almost like the brake is on, which it isn't. Could this somehow be related to the problem? My mechanic says we just need to find tires that will work on this car but I'm having my doubts.