which brand has the best cost for maitenance and repair
Consumer Reports Annual Auto Issue in April shows Automaker report cards for the manufacturers. In 2009, Top four: Honda, Subaru, Toyota, Mazda. Edmunds.com also provides similar level info.
Keep in mind every manufacturer has some big losers.
Why do you ask? With a few exceptions, there is not enough difference to make me buy one car over another.
At one time, CR supplied both frequency of repair, and cost figures. There can be a difference. Older VW. Volvo. MB. Still, some folks simply do not mind a bit more cost, and are willing to take higher costs to get a car they really like, over one that is cheaper but puts them to sleep.