Prior to venturing out to an auto parts place or search the Internet looking for great prices on a replacement set of vehicle tires, there are a number of things you should know before you begin. It will not make a difference whether you are looking for snow tires or good year round radials. Having specific information in front of you before starting to look for new tires should make the entire process go quicker and easier. You might be amazed to know precisely how many folks stroll in to a tire shop and have no idea what size car tires they require or which brand came on the car when they purchased their car. Knowledge of the Uniform Tire Quality Grading system can also aid you to decide between several models of replacement tires put out by the same company.