Another major mechanical difference between 4WD and AWD is the lack of a transfer case on the latter type of system.

Dear Car Fix: I just bought a 2010 Honda CRV with four-wheel drive. I was told it isn’t really four-wheel, more like all-wheel. I had a four-wheel drive Blazer and ...

All-wheel drive vehicles are ideal for winter roads, but it's vital that all four tires are matching. Here's why and what happens if they aren't the same.