Tuned BMW M4 Challenges 700HP Audi RS7 & 700HP Mercedes C63 AMG

[The _Don]

http://www.carscoops.com/2015/06/tuned-bmw-m4-challenges-700hp-audi-rs7.html

 

[BFT]

That RS7 must of launched badly. RS7 and RS6 are doing quarter miles in 10 seconds. 12 is very poor.

 

[BigChap]

Nice video, struggling to believe the M4 is 150bhp down though! that performance surely can't be made up from weight?

 

[jotter22]

No replacement for displacement!

Tony.

 

[ashe700]

C63 are so quick