What's the difference between AWD and 4WD? I was handed the keys to the brand new BMW M5, which can actually switch between 4WD and 2WD! Nothing all that impressive for any truck drivers out there, ...

Many drivers assume AWD is best for snow, but winter tires and the right drivetrain matter more than you think.

Before we get too far into this festival of definitions and hair-splitting, it is important to know that – absent of all other considerations – power to all four wheels simply gets you up to crashing ...