But how do you know if your tire tread is still in good condition? This is where the tire tread depth comes in. By measuring the tread depth, you get a better idea of whether your tires are still ...

As the chart in All-season-tire wear shows ... off you'll make in poor-weather performance, however. The half-tread-depth tires we tested lost far more in wet and snow grip than they gained ...

Within each tire classification, you have a selection of tread patterns/depths, such as E1, E2, E3, E4, etc. Essentially, tread depth increases as the number increases. For example, an E2 tire ...