Mine have the Michelin 235/55/20 from factory and it already needs replacement after 34,000 miles on them . I wonder if I could Do a 255/55/20 perelli tires ??
Damn it just now getting Yokohama installed !! Which I seen this earlierThere is a bulletin on the Michelin tires my dealer pointed out to me might want to check it out, GM Service Bulletin #19-NA-078
These Yokohama tires made a big ass difference !!! Smooth ride !! My wife even said soI have the Continental LX Sport tires on mine and hate them. Not good wet performance, car slides to much on curves. I am talking with my dealer now, they are seeing if I can get them replaced with something different. Waiting to hear from GM.