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Re: Quattro & spare tyre
> According to Mark Sirota's tire_size program:
> Specification Sidewall Radius Diameter Circumference Revs/Mile Difference
> 235/45-17 4.2in 12.7in 25.3in 79.6in 796 0.0%
> 215/60-15 5.1in 12.6in 25.2in 79.0in 802 -0.7%
> So, the spare has just about the same rolling circumference as the
> regular tire; it should be OK.
Thank you very much for your calculation. But in that Opel ,even
the changed rear tyres is the same size ,how did the transmission
damage ..? I hope Audi's tranny is better than that Opel.
If the 15" wheel physically fits on the car (clears brakes, struts, etc.),
> then you are fine.
Yes ,those 15" wheel is physically fits,cause it's a stock wheel.