Tires Kumho or Firestone

I actually have the Kuhmos on my 530, and I've been pretty happy with them. Very quiet and seem to grip well. Just my two cents.

The Firehawk indy500 is actually a rebranded Bridgestone Potenza RE003. Really good tire for the price.

I'm running firestone firehawk Indy 500's. really grippy, and really quite actually

I'm 2 months into my fire hawk indy 500's...I CANNOT believe they're so cheap. I'm not expecting much more than 30k miles, but they grip exceptionally well even when I expected understeer, the car maintained its line. They're easily the stiffest tire I've ever owned. That can be a good and bad thing.

So far I haven't really pushed them, and I don't do much more than just some very quick backroad driving and highway miles. I've had them for almost a month (even in below / near freezing) and haven't had any issues unless there was snow on the road (obviously since they're summer tires).

I did. So far so good. For the price they seem great.I had some tiger paw performance tires on my car before and the kumho seen to ride just as well

For the price it's a decent performance street tire.

I got new Kumho Ecsta PA31 in 195-50-15:

I have the Kuhmo Road Venture APT KL51 235/60. I was very happy with them until I realized the fronts are shot after 20K mi. I probably ran them under inflated a bit for too long. And never rotated them =(. The taller than stock size makes zero noticeable difference on the speedo or power on the road. My speedo matches my GPS reading exactly. Clearance is no problem.

I bought these exact tires for my gli. I don't know what the deal is with them, but they flat out SUCK in the snow. The are by far the worst performing all season tire in terms of snow usage that I've ever run.