Engineering Explained on MSN

AWD vs 4WD - What's the difference

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, ...
autoevolution

Believe It Or Not, 4WD Now Outsells 2WD in the United States

Question time! Care to guess which is the first car with an internal combustion engine that had 4WD from the factory? That would be the 1903 Spyker 60 HP that also featured the first applications of ...