Continuing with the general consensus, it has more to do with tires.
In my second Minnesota winter with my RWD G35. The summer performance tires are literally useless in any snow. I have Winterforce tires on a second set of wheels and these have rarely had an issue. I made it through about 8 inches once, not that I would recommend doing it. In 1-2 inches of snow, driving is pretty reasonable. It probably goes without saying that the RWD has considerably more trouble moving from a dead stop than any AWD (with half-decent tires), but once you get it going, pretty solid.
There is a large parking lot about 3 miles from my home, I try to get out there and spend about 15 minutes going sideways whenever there is a good snow.
As far as a direct comparison to your other cars, I've never driven a WRX (someday!), but I have an old Legacy which takes anything like a champ. I imagine the G35x will have little to no trouble as well.
Enjoy the winter!
Lars