We describe how all-wheel drive (AWD) and four-wheel drive (4WD, a.k.a. 4x4) work: similarities, differences, and ways they ...

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, ...

These ensure all the wheels receive torque regardless of angle and if one wheel has more or less traction, the difference is compensated for by the three differentials. However, if one wheel has no ...