We really didn’t expect to see acceleration tests with the all-new Audi S5 coupe. After all, it’s only been a few weeks since its debut. But we found one and luck would have it another S4 sedan launch video was right next to it in our Youtube subscription feed.

For the Audi fans, the most interesting thing going on is that the S4 and S5 have a weird sort of launch control. You see, both models are equipped with the same 8-speed …