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Michelin Pilot Sport A/S. I drive my 993 about 1,000 miles per year. These tires are six years old. I park in the shade. Plenty of tread, but the cracks make me think it is time to replace them. Michelin has a 4 year warranty, so no recourse.
Has anyone else experienced this? Probably not safe to drive, right?
I have no problem driving on older tires that exhibit no cracks. With cracks it is time to replace! If you do not drive you car much there are less expensive tires that have harder compound that may hold up better over long periods or possibly consider all season rather than strictly performance tires.
Just some thoughts,
Andy
I've seen far too many totaled 911's with cracked and/or old tires caused by either outright carcass failure at speed, or loss of grip due to hardened rubber. All of these accidents were preventable which makes those losses very sad (at least to me).
Tires that are either 7 years old and/or cracked should not be used for anything and replaced ASAP. IMHO, its simply not worth it.
I agree with Pirahna, check those date codes. Those tires were either subject to extreme heat for extended periods or are older than you may think. I have seen tires sold new that were years old from the warehouse.
Either way, those need to be changed before you drive another foot!! Safety first!!