The difference between all-wheel drive (AWD) and four-wheel-drive (4WD) is a topic of confusion for many car, truck, and SUV buyers. Both systems send power to the wheels where traction is needed most ...

AWD Vs. 4WD—What's the Difference? While you may believe that all-wheel-drive and four-wheel-drive systems are one and the same, that's not exactly the case.