In a message dated 9/10/99 dak@rochester.rr.com writes: << This may sound silly, but what do I give up using a 100K or 60K mile tire vs. a 40K mile tire? I have some educated guesses, but I'd like an un-adulterated opinion. Thanks! >> One word...Grip! (BTW, 40k mile tire life on a quattro???? I feel lucky to get 30-35k at best but of course YMMV.) Mike Veglia 87 5kcstq