What is the maximum allowable age of tires on passenger vehicles in Pennsylvania?

The maximum allowable age of tires on passenger vehicles in Pennsylvania is established to ensure safety and performance. Tires typically degrade over time due to environmental factors such as UV exposure, heat, and use, even if they appear to have tread remaining. In Pennsylvania, regulations dictate that tires must not be older than six years from the date of manufacture, as beyond this age, the likelihood of tire failure increases due to aging and potential degradation of materials.

This six-year limit is a standard that provides a balance between safety, performance, and practical vehicle maintenance, ensuring that drivers are using tires that still have adequate structural integrity and performance characteristics. This age limit is backed by safety recommendations from various automotive and tire organizations, which emphasize the importance of regular inspections and considering the age of tires when assessing their condition.