As you're certainly aware, most cars these days have four wheels. So why do people make a distinction between all-wheel drive and four-wheel drive when driving ...

This system is also generally better suited for deeper snow and more extreme winter conditions, so if you live in an area where winters are long, a 4WD vehicle is exactly what you need.

If you're off-roading in a national park and your vehicle isn't deemed up to the task, you might get a warning in the mail about it, as one Subaru driver recently did.

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 ...