The main difference between AWD vs. 4WD is that all-wheel drive powers all four wheels at all times and 4WD powers all four wheels only when put into 4WD mode.

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 ...

Both systems drive all four wheels but there are some differences between them; in this article, we explore them and help you learn which one is better for you ...

While the market offers a wide array of AWD and 4WD models, find out how both systems differ and which of the two is actually stronger?

No, they are not the same when it comes to off-roading. Find out more about 4WD and AWD here.

The transfer case is a critical part of four-wheel-drive and all-wheel-drive vehicles. How often does its fluid need to be replaced? And what does that cost?