Many of our customers choose to purchase two tires at a time instead of four. There is absolutely nothing wrong with this, but many of these customers wish to install their new tires on the front of the vehicle. This seems to make perfect sense since the front tires do all of the steering, most of the braking, and typically wear out the quickest. However the practice of installing the new tires on the front is actually dangerous and should never be done. If you have ever experienced the rear end of your vehicle sliding around or "fishtailing" when the road was wet it was possibly caused by having tires on the front of your car that were in better condition than the ones on the rear.
If you don't believe me, read what Popular Mechanics has to say about the subject: "Rear tires provide stability, without stability, steering or braking on a wet or even damp surface might cause a spin. If you have new tires up front, they will easily disperse water while ...[more]