CNET Car Tech: How to read the specs on car tires
Tires aren't cheap, so understand sidewall specs so you can shop smart.
Tires, oil, brakes, and gas are just about the only common service items left on modern cars, and of those the tires are the ones most people understand the least. The sides of a modern tire are covered in tech specs that tell you exactly what you're buying--if you know how to read them. Brian Cooley shows you how.