How fast is the Audi RS6 in a straight line?

How fast does the Audi RS6 accelerate in a straight line? Mercedes-Benz and BMW of the same level are not rivals at all?
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[@user-zk8qn2qy4e]

怎不拿m5 cs 或m5c
真是的

[@user-zk8qn2qy4e]

@Pun Ho 對岸最愛盜版 不怪它

[@user-zy4fn4bv5d]

只是先偷跑 豪無意義

[@user-cs1pv6ny3v]

跨錯最屌

[@zibohuang3137]

重点？结果？