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mikefocke · 03-01-2008, 10:51 AM

I have 12k or so on a set of Michelin Ribs I bought used and I'll get another 4k out of the rears before I get rid of them well before they are down to the wear bars. Why? Because my alignment was done by someone who really knows Porsches (look for a shop that sets up cars for racing) and, while within Porsche specs, was set up to favor even wear over all out performance. I don't race.

Consumer Reports did a good review of both Summer Tires and of All Seasons Tires in the November 2007 issue. They tested 18" tires for 12k miles but not on a Porsche. And rated tires on 11 criteria. No tire is perfect nor did they score that way.

First you have to define what your needs are as even a great dry and wet tire might be awful in even an inch of snow and dangerous below 40 degrees.

Secondly, some tires are only available in sizes to fit 17" wheels, others only in sizes for 18"s. Which do you have?

Once you know your size and needs/wants ... then tire rack or CR are good places to start reading.

03-01-2008, 10:51 AM	#14
mikefocke Registered User Join Date: Aug 2005 Location: Sanford NC Posts: 2,538	Tires and allignments are compromises I have 12k or so on a set of Michelin Ribs I bought used and I'll get another 4k out of the rears before I get rid of them well before they are down to the wear bars. Why? Because my alignment was done by someone who really knows Porsches (look for a shop that sets up cars for racing) and, while within Porsche specs, was set up to favor even wear over all out performance. I don't race. Consumer Reports did a good review of both Summer Tires and of All Seasons Tires in the November 2007 issue. They tested 18" tires for 12k miles but not on a Porsche. And rated tires on 11 criteria. No tire is perfect nor did they score that way. First you have to define what your needs are as even a great dry and wet tire might be awful in even an inch of snow and dangerous below 40 degrees. Secondly, some tires are only available in sizes to fit 17" wheels, others only in sizes for 18"s. Which do you have? Once you know your size and needs/wants ... then tire rack or CR are good places to start reading.