Is Tire Rack owned by Discount Tire? Yes, Tire Rack is now a part of the Discount Tire family. Why did Discount Tire partner with Tire Rack? Our goal is to keep you safe on the road, and that journey starts with having the best shopping experience possible.

What Does LT Mean on a Tire? An “LT” on your sidewall before that long string of numbers and letters denoting your tire size signifies the tire is a "Light Truck-metric" size; it was designed for use on a vehicle that carries heavy cargo loads or tows a large trailer.

How long do tires last on average? On average, tires last about six years or between 36,000-75,000 miles. But the actual lifespan of tires varies with factors like climate, maintenance and driving habits. No matter how they look, tires should never be used longer than 10 years.

The easiest way to find your tire size is by checking your tire information panel. The tire size dimension information you are looking for is posted right inside your driver's door. Simply open up your door and look at the frame of your car.