Of all of BMW's speedy M cars, the M5 has arguably strayed least from its roots as a high-powered sport sedan. It's less raw than it used to be but still makes little attempt to defy convention, simply turning the
5 Series into a road-based rocket that gets five people to where they're going in a big hurry. Among the most notable firsts in a 2018 redesign was the addition of all-wheel drive.