One beauty of shopping for a new, used, or certified pre-owned car is that there are many options to pick from. Choosing an SUV, car, or truck with 4WD or AWD is one of the options, but which is better, and how do they differ. When you needed a machine that used all wheels to drive a few years ago, you could only pick from heavy-duty trucks and full-size SUVs with a 4WD system. Thanks to technology, different automakers make cars with all-wheel drive systems, creating room for more options. However, the main challenge comes in differentiating between the two options.