My Kumhos seem to be wearing pretty well, my buddy got almost 40K miles out of a set, driving them hard. They are sort of squealy, if you get my meaning. I would have been very afraid to drive with the AVS intermediates on snow. I like yokohama tires, but I think the SP5000 is tops for all season, they are sort of soft(like the AVS) though. My buddy had them as OEM tires on his SL 500, he really liked them, but they were $$$