[speeder]

I remember back in the '80s when I worked at the Porsche/Audi dealer, the service manager told me that there were certain cars that never wore out the rear brakes. They were all FWD Audis with all the weight over the front wheels and nothing in back but a couple wheels along for the ride.

When I asked what he meant by, "never", he said, "never". 150k mile cars with original rear brakes, still not worn out.

Most good cars have well-proportioned braking systems and bias things in such a way that the fronts and rears should wear fairly evenly. Obviously, the fronts are doing more work but the size of the brakes F/R and proportioning system allows for maximum/even braking using all four paws.