Originally introduced as a four-door variant of the racy Mercedes-AMG GT coupe, this high-performance sports sedan from Germany starts with a turbocharged 3.0-litre inline six-cylinder engine featuring 48V mild hybrid technology. Alternatively, it packs a twin-turbo 4.0-litre V8 that generates 577-630 horsepower depending on the model. In top-line AMG 63 S E Performance trim, an electric motor is added for a total of 831 horsepower and 0-100 km/h acceleration in less than three seconds.