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, ...

When you're shopping for a vehicle, one of the most important decisions you'll make involves how power gets from the engine to the wheels. The terms all-wheel drive, front-wheel drive, and 4x4 get ...