We have classified the 1 complaints from 2015 Chevrolet Impala about TIRES into the following categories.
4 tire sidewall dry rot leading to a partial sidewall separation on 1 tire, approximately 1 inch in size. these were new 50,000 mi tires on a new chevrolet. they were replaced at 48,000 mi. , there was plenty of tread at time of replacement. all 4 were replaced by dealer. i have a picture if needed.