Running 10" 214's with Michelin Alpine's all around on both of our X's and they work very well with ice and snow. Highly recommended. The Michelin Alpin 275/40/20 run $208 at Tirerack.

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2013 Cayenne GTS Basalt Black/Alcantara (Wife's Daily Driver)
2013 Porsche 911 cab Aqua over pebble and agate (My daily driver)
2010 Porsche GT3RS Black Grey/Black Alcantara (Track car)
2012 Porsche CaymanR Peridot Green with carbon sport buckets (Wife's Track car)