When it comes to tire for S4(2005), is it still OK to use 'V' speed rating instead of 'ZR' rating ?

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01-25-2008, 01:12 AM

s4_sp

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When it comes to tire for S4(2005), is it still OK to use 'V' speed rating instead of 'ZR' rating ?

Sorry for another stalking question regarding tire,

Discount-tire strongly encourged me to go for yk520. I could see so many good reviews on this tire at discounttire.com. But I also could see that tire's speed rating is V, not ZR rated.
Maybe I don't need ZR because I would not drive at >149mph that much.
However I think this number means something for the handling not just vehicle's maximum speed. So I wonder how much performance/safety could get degraded by downgrading tire (in its speed-rating).
Is it a good idea to try yk520-v-rated?

Any good comments would be appreciated,
thanks.

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01-25-2008, 01:16 AM

bpp

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Do yourself a favor and you'll be glad you did.--> tirerack.com

Try this link:
http://www.tirerack.com/tires/dg/MenuServlet?
search=tdg

The minimum speed rating for our car is "W".

V 149 mph 240 km/h Sport Sedans, Coupes & Sports Cars
W 168 mph 270 km/h Exotic Sports Cars
Y 186 mph 300 km/h Exotic Sports Cars

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01-25-2008, 01:45 AM

s4_sp

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Thanks! --- Re: Do yourself a favor and you'll be glad you did.--> tirerack.com

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01-25-2008, 01:51 AM

bpp

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I hope it helps you.

)

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01-25-2008, 05:03 AM

CharlieG

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It's the load rating you need to be somewhat concerned with as well ...

and the yk520's are XL rated (what Audi recommends). Also take a look at the Kumho Ecsta SPT. They are a reasonably priced, ultra high performance summer tire that are also XL rated. I put a set on my S4 last Spring and have been very happy with the results. Just bear in mind that these are "summer" tires and if you live where snow and/or very cold weather is an issue, these would not be appropriate for year-round use (you'll need a dedicated winter set ... I have a set of Dunlop WinterSport M3's for winter use).