Clearly people have a lot more data on this than me, but as a previous owner of an RSX (FWD), WRX STI (AWD), Durango (4WD), Tundra (4WD), Volt (FWD) and Corvette (RWD) and living in KY/Cincinnati with moderate snowing, I have done a lot of "testing". Personally, the advantages of AWD/4WD are...