How effective are tires that have been driven 30,000 miles or more in inclement weather?

Tires that have been driven 30,000 miles or more can significantly lose their tread depth and overall performance capabilities, particularly in inclement weather conditions such as rain, snow, or ice. Over time, the rubber compounds in tires wear down, which reduces their ability to grip the road, leading to longer stopping distances and increased risk of hydroplaning on wet surfaces.

In addition to tread wear, older tires may also experience degradation of the rubber due to factors like exposure to heat, sunlight, and road conditions, which can further compromise their performance. This is particularly critical in adverse weather, where the tread pattern and rubber flexibility play crucial roles in delivering the necessary traction and handling.

Therefore, when compared to new tires, those that have been driven extensively are indeed less effective, particularly in challenging driving conditions, making it essential for drivers to regularly check the condition of their tires and replace them when necessary.