When to Replace Auto Tires: A Complete Safety Guide
You should replace auto tires when tread reaches 2/32 inch, structural damage appears, the tire develops unsafe cracking or exposed cords, or age makes continued service questionable. Replacement may be advisable earlier, around 4/32 inch for frequent rain or 5/32-6/32 inch for winter conditions, because legal tread depth is not always a safe performance target. […]