2018 BMW M5 vs Mercedes-AMG E63 S – Video

The new BMW M5 is a terrific sports saloon. Or super saloon. Or sports sedan. Call it what you will: it’s a big four-door executive car with a stonky twin-turbocharged V8 making shed loads of power, which it puts it through all four wheels – unless you stick it in rear-drive mode, in which case it only puts it through the rear wheels, obvs.