In the movies, sequels are rarely better than the original – but with the BMW M4 the opposite is true ... Colour schemes range from black on cream to bright blue on day-glow yellow.

There's also a diesel model, badged the BMW 420d Gran Coupe, which uses a 2.0-litre diesel engine and is available with or without xDrive all-wheel drive. We've tried this engine in other BMW models ...