Well, I went to Costco, and the guy there wouldn't sell me the 225/45R18, saying that with increasing the tire width (from the factory 215/45R18 for my 2009 Vibe GT) without reducing the sidewall ratio, he thinks there's a good chance of rubbing on turns or hard bumps. Since I've actually had that o...

Thanks for the recommendation. I'll go visit Costo today and see if they agree. Based on the other posts on this site, I think the 40's scare me, and I drive hard, so wouldn't want to damage my rims.But you don't think the 225/45R18 will be too big and/or wide?Will update soon.Mitch

Hi, guys. I'm new here, so thanks for having me.I have a 2009 Vibe GT with stock tires (BFG 215/45R18), and are looking for new tires. Costco has a sale on Michelins, but they only come in 225s, as 225/45R18 or 225/40R18. Which of the two would you recommend, or would you recommend that I stick with...