Originally Posted by ZCanadian

I'm only a year late to this thread (new here), but the Potenza's on the used Z we just picked up did not pass safety (at 32,000km). I spec'ed MP AS3+ on the car as a replacement (it will be a summer daily, not a track car). With only 20 miles or so on the car (highway and 2-lane rural) in slush to get the Z home, I can say that I was impressed with the handling. Definitely confidence inspiring, although I cannot give you a back to back comparison or tell you anything about tire life. My selecting these was based on the Tire Rack comparison, and that one of my fleet cars at work uses the AS3 (now 3+) - not the longest lasting rubber in the fleet, but a good solid sport highway tire on a heavy car.