conkhicon

Seriously..why I was so dumb to let my car services by a bunch of "know nothing" ...and feel so dumb when I posted my question ..

After putting 25K miles on my Bridgestone, I went to Firestone today and the service guy suggested me to replace the rear tires as soon as possible. However, my front tires size are 245/40R18 and he wanted to put on 225/50R17 for the rear. I'm confused. Does this guy know what he's talking about? or Can I really do that? 18" in front and 17" on the back?? Please advise and help me .. Thanks