Originally Posted by toxik

18's are the best set-up to go for winter, cheaper tires and not as wide. I can tell you that when I put my winter set-up on, it was pointless due to the car being low, and driving through snow, plowing every street isn't any better than getting stuck on summers.

The set up I used is OEM 18'' wheels from the 370z, with Wintersport M3 Dunlop tires. Worked really well, I personally think it's the best setup you can use on the Z. Most aftermarket 18's look ugly on the Z anyways.