: Tires are legally worn out at 2/32" of tread depth. You can use the "Penny Test" by inserting a penny into the tread with Lincoln's head upside down; if you can see his entire head, it is time for a change.
: Look for bulges, blisters, or "bubbles" on the sidewall, which indicate internal structural failure and a high risk of a blowout. i need to buy new tires for my car
: Most manufacturers recommend replacing tires every 6 to 10 years , regardless of tread wear. Rubber degrades over time due to UV exposure and heat. : Tires are legally worn out at 2/32" of tread depth