We’ve said it before, and we’ll say it again: If you live where there is serious winter, you really need to consider winter tires on your daily driver. Yes, even if you have all-wheel drive. Yes, even if it clearly says “ALL seasons” right there on the receipt from the tire store. It just makes good sense.
Source: LifeHacker – Here’s Proof that Computers and All-Wheel Drive are No Match for Winter Tires