ARE USED TIRES SAFE? WHAT TO CHECK FIRST

NHTSA does not address used tires specifically, so the checklist below applies its tire-age and tread guidance to the used-tire question. It is general information, not an inspection of any particular tire.

1. CHECK THE AGE: THE DOT CODE

Every tire has a DOT Tire Identification Number on the sidewall. NHTSA says the last four digits show the week and year it was made: a code ending in 0308 means the third week of 2008. The number may be on only one side of the tire, so look at both sides.

NHTSA also says some manufacturers recommend replacing tires that are six to 10 years old regardless of tread, and that you cannot tell a tire's age just by looking at it. That is why the date code matters more on a used tire than on a new one.

2. CHECK THE TREAD

NHTSA says tires should be replaced when worn to 2/32 of an inch. Its penny test: put a penny into the tread with Lincoln's head upside down. If you can see the top of his head, the tire is worn out. Test in several spots across the tread, not just one.

3. LOOK AT THE REST OF THE TIRE

• Cuts, cracks or bulges on the sidewall or tread are a reason to say no.
• Uneven wear can mean the previous car had an alignment or suspension problem.
• Signs of an earlier repair. Ask whether the tire has been repaired and how.

QUESTIONS TO ASK ANY SHOP

• "Can I see the DOT date on this tire?"
• "How much tread is left, measured in a few spots?"
• "Has it been repaired, and how?"
• "What is the total with mounting and balancing?"

Lescaille Car Care sells new and used tires in Clifton. Call and ask what is in stock for your size, and ask to see the date code on any used tire. If you are not sure when to replace what you have, read when to replace your tires, and see our tire shop page.

FREQUENTLY ASKED QUESTIONS

Sources: NHTSA: Tires (read October 24, 2026. General information, not a diagnosis.)