Tires last about 60k+ miles or 4-8yrs, and cars last about 200k+ miles. Tires lose about 1/2 inch of a 22 inch or so diameter on about a 10 inch wide tire befor

Tires last about 60k+ miles or 4-8yrs, and cars last about 200k+ miles. Tires lose about 1/2 inch of a 22 inch or so diameter on about a 10 inch wide tire before they go bad.