The jumble of numbers and letters on the side of your tires is confusing. We’ll tell you how to crack the code so you can understand what tire sizes mean.

We answer the age of questions on understanding tire size ratings, as well as questions regarding Ford Thunderbolt fiberglass doors, reproduction exhaust system, brake fluid comparisons and more ...

Online tire size calculators can be helpful when choosing alternate tire and wheel sizes. Some tire size calculators give the size tire available for a specific make and model car.

XL tires are designed to carry more weight than their standard counterparts. Here's what XL means, and why you might want tires carrying that designation.

In addition to the usual advice about tire rolling resistance and width, calculations show the impact wheel diameter itself can have on EV range.

“You should always make sure you have the same size tires in all positions of your car.” said McKenney, with the obvious exclusion being sporty cars that are staggered front to rear.