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

While this full-size SUV is sold with rear-wheel drive as standard, 4WD is available as an option, and standard on more ...

This unnamed racer was dreamed up by Cosworth co-founders Mike Costin and Keith Duckworth, both former Lotus engineers, and ...