Quote Originally Posted by Bigglezworth View Post
It's not the engine that is faster...
C7 S6s and S7s typically trap between 112 and 115 mph in the 1/4, whereas C5 RS6s generally see more like 107-109 mph.

Considering that the curb weights are close, those extra MPH aren't the result of extra gears or shift speed, they're the result of extra horsepower....