What should you carefully check while purchasing a used tire for your vehicle?

1. Only that the size of the new tire is identical to that of the old tire.
2. Only that the shape of the tire’s sole (the tire’s surface) is identical to that of the old tire.
3. Only that the air pressure of the new tire is identical to that of the old tire.
4. Correct answer: The tire’s manufacture date, to ensure it is not too old (over 2 years).

WhyWith a used tire, also check the manufacture date to make sure it is not too old, over 2 years.