Most of the time older cars will not be driven any longer, and instead go to the junkyard and only a few parts will be removed. Assuming that ever car that was sold was kept and driven into the ground, then it wouldn't matter, but mostly good cars are still showing up in droves at these junkyards.

4/27/08 612.1 miles @ 62.1 MPG with 110,000 miles on the Civic