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, ...

Depending on what part of the country — or world — you live in, all-wheel drive (AWD) cars can be an incredible asset. When all four wheels are powered at the same time, traction is enhanced ...