Here’s what the letters and numbers on your tires mean. The most basic information that you’ll find on a tire’s sidewall is related to its size ... bottom end of the chart, an R-rated ...

We've explained dozens of times over the years the difference between P-metric and imperial tire ... chart that shows what the most commonly available sizes of P-metric 4x4 and off-road tires ...

There are two major size designations commonly used for passenger car tires, called P-metric and Metric sizing. If you see a "P" in front of the tire size displayed on a tire's sidewall it is a P ...