I'm sure its been talked about in the past, but I can't find it. I have Good Year tires on my p/u with only 30k miles and lots of tread left, but they are original tires. The sidewalls are clean no ...
I had 7 year old Michelins on my truck with only 15,000 miles. Parked in garage at all times when not in use. I had a blowout on I-40 just east of Barstow, CA that did $3500 damage to my rear quarter panel. Not an experience I want to have again. Discount Tire will not fix a tire over 7 years old if it has a nail in it so take that as a guide. I would not go over 7 years without replacing.