[s-cars] Do all 4 tires have to be the same?

[Tom Green]

You have said the tires are relatively new, but I think you need to put that to an 
objective measurement instead of just a subjective guess.  Use a tread gauge on
the tires.  If you can replace the damaged tire with one with similar performance  
specs and within 4/32 tread wear, I would do it without hesitation.  

If you believe the new tire has much better snow performance, maybe 2 tires on 
that axle is the best solution.  If the tires are worn more than 4/32, they are not 
“relatively new”, but even then you should be able to find a tire shop to shave the 
new tire to match.

tom

> On Dec 18, 2016, at 10:59 PM,  "Tom Rodriguez" <trodri69 at gmail.com> wrote:
> 
> I know that given our Quattro system we must run the same size tire on all
> four corners, but do they all have to be the same make and model?  I
> recently damaged the sidewall of one of my snow tires so it cannot be
> repaired, and I have learned the manufacturer (Bridgestone) has discontinued
> the model.  The other three snow tires are relatively new and are good for
> at least two more winters.  Can I run a Bridgestone snow tire of the same
> size but a different model on one corner, or am I asking for trouble?  I
> hate the thought of buying four new snow tires when only one needs to be
> replaced.
> 
> Tom Rodriguez
> 
> '95 S6, 275K