What's the difference between AWD and 4WD? I was handed the keys to the brand new BMW M5, which can actually switch between ...

Here's how all-wheel drive (AWD) or four-wheel drive (4WD) work, their pros and cons and when they're most useful. Many, or all, of the products featured on this page are from our advertising ...

Part-time 4WD systems are often found in older off-road ... thus making it possible to drive all four wheels even on paved roads. AWD is more typically found in more car-like vehicles, as well ...

In 4WD cars, the drop in fuel economy can be as much as three mpg compared with 2WD models. Of course, these negatives can be offset by the positives of an AWD vehicle. For example, you might find ...

There are some major differences between 4WD and AWD, one of them being that the latter can be used constantly, whereas 4WD requires either off-road or slippery surfaces to function properly.

All-wheel drive (AWD) is intended mainly for general driving, in other words, for use on asphalt, although it will work on other surfaces, too. An AWD car has the ability to send power to all four ...