A brand new tire purchase is not something to take lightly. Tires are a large investment, and they play a vital role in the security, reliability, and functionality of your car or truck. Here is what you want to consider prior to making a purchasing decision.Recommended SizeYour auto's manufacturer recommends a specific tire size for optimum performance and security. This information is generally available on your owner's guide, and it is usually attached to a metal plate on the interior of the ...