A/S runflat suggestions?
Tire Rack pricing and warranties:
Firestone Firehawk Wide Oval RFT $980 plus shipping. No mileage warranty.
Bridgestone Potenza Pole Position A/S RFT $1250 plus shipping. No warranty due to speed rating.
Michelin Pilot Sport A/S Plus ZP $1254 plus shipping. $70 rebate. 30000 mile warranty on the fronts. 15000 on the rears.
My vote goes to Michelin.
I talked to Michelin for the 6th time. This young man acted like he knew what he was talking about. He said the Michelin Pilot Sport A/S Plus runflat was still being made and did not know when they would stop making them, they would have to develop another runflat to take it's place and he did not know if they would make the A/S 3 in a runflat. What has been discontinued in July is the Pilot Sport A/S Plus non runflat. He also said when they discontinue a tire they have a warehouse with emergency replacements of that tire. If they cannot find a replacement for your tires under warranty, they replace all 4 with what they are making to replace the discontinued tire. That's good news.
There ends my investigation!
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I talked to Michelin for the 6th time. This young man acted like he knew what he was talking about. He said the Michelin Pilot Sport A/S Plus runflat was still being made and did not know when they would stop making them, they would have to develop another runflat to take it's place and he did not know if they would make the A/S 3 in a runflat. What has been discontinued in July is the Pilot Sport A/S Plus non runflat. He also said when they discontinue a tire they have a warehouse with emergency replacements of that tire. If they cannot find a replacement for your tires under warranty, they replace all 4 with what they are making to replace the discontinued tire. That's good news.
There ends my investigation!

By the way, great tires!!!!! Quiet, comfortable and a hell of a lot less teeth chattering. Can't go wrong with these tires.....
I would guess that Mich, knowing how popular these tires are, aren't going too far afield when they replace them. If and when you wear them out you will likely replace all four anyway. Statistically the fronts will go first and you never want to put new tires on the front leaving the lesser tires on the rear. Doing so will likely cause a spin during a panic stop.
So if I were you, I would find a reasonably priced set, and enjoy the ride.
I would guess that Mich, knowing how popular these tires are, aren't going too far afield when they replace them. If and when you wear them out you will likely replace all four anyway. Statistically the fronts will go first and you never want to put new tires on the front leaving the lesser tires on the rear. Doing so will likely cause a spin during a panic stop.
So if I were you, I would find a reasonably priced set, and enjoy the ride.
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I would guess that Mich, knowing how popular these tires are, aren't going too far afield when they replace them. If and when you wear them out you will likely replace all four anyway. Statistically the fronts will go first and you never want to put new tires on the front leaving the lesser tires on the rear. Doing so will likely cause a spin during a panic stop.
So if I were you, I would find a reasonably priced set, and enjoy the ride.
Mileage warranty's???
I went on a drive before work this morning and at 29* outside they gripped great. With the OEM tires I was afraid to even get on the car a little . Now I'm much more comfortable driving in the cooler temps which was the reason I went with A/S in the first place. I like to drive later in the year before the snow starts to fall and wanted a tire I was comfortable doing that with.
Thanks everyone for the reviews and advice!
Michelin's "old" A/S is the A/S ZP, the new one is the AS3 (non RF though).
Remember to read the find print on wear warranties. Michelin will reduce the rear's warranty by 50% because you have different sizes front to rear. A/S tires also become less effective after half life.
I had an 08 Coupe, 11 GS Vert and now a 13 GS. I put A/S ZP tires on my 08 and too be honest I wish I didn't. Performance is really lower in any temps above 50 degrees, then they are better below that but not a real big difference.
I put Michelin Super Sports (non RF) on my 11 GS Vert, had them move them over to my 13GS when I bought it. They are fantastic even in dry temps down till around 8 degrees. They are even better than the A/S ZPs at that temp probably because the sidewall is not as stiff.
If you plan on driving in snow with the A/S the C6 is not too friendly in anything more than a light dusting. It'll plow thru if a snow ball or something is above 4 in tall and snow likes to hide potholes which means kiss a $500-1000 rim good bye.
Even in cold temps with my Super Sports, I have seen .85g or so on the g meter. In the same corner I remember the A/S ZP was about .8g and felt like it was slipping.
.... If you plan on driving in snow with the A/S the C6 is not too friendly in anything more than a light dusting. It'll plow thru if a snow ball or something is above 4 in tall and snow likes to hide potholes which means kiss a $500-1000 rim good bye. ..... .
To your first point: as Homer would say, Doh.

A/S tires are, by design, a compromise. They are NOT meant to perform as well as summer performance tires in 50 degree and higher temps. Nor will they perform as well as winter tires in snow. However, they are MEASURABLY better in cold weather performance compared to summer compounds. No comparison there at all.
I swap wheel/tire sets in Oct. (summer to A/S tires) and Apr. (back to summer tires) to enjoy the best performance possible under different Chicago conditions.





















