NHTSA recommends replace tires every six years

https://www.kbb.com/what-is/#:~:text=The%20NHTSA%20recommends%20that%20tires,or%20excessive%20wear%20over%20time.

the National Highway Traffic Safety Administration (NHTSA) recommends that drivers check tire pressures at least monthly. Tires also degrade even when they are not being used. The NHTSA recommends that tires be replaced every six years regardless of the number of miles driven.

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• I am sure they view any car older than 6 years is unsafe -MoonRiverMe- ♂ (0 bytes) () 06/04/2021 postreply 18:45:37