BMW M6 Gran Coupe vs Audi RS7 – Auto Express
BMW M6 Gran Coupe review: http://bit.ly/INJFcPAudi RS7 review: http://bit.ly/1bU3Tif Subscribe to our YouTube channel http://bit.ly/11Ad1j1Subscribe to the mag http://subscribe.autoexpress.co.uk/yt This is the new Audi RS7 and its arch-rival, the BMW M6 Gran Coupe. Both are powered by turbocharged V8 engines and have over 500bhp -but do they really justify their …