Just not used to the power.
You'd get used to it very quickly, a lot of cars have a horrible DBW LAG, the GTI does not. It's a benefit you'll enjoy eventually.
If it said S5, it was probably..drum roll..
AN S5
http://i.imgur.com/fYNaX3B.jpg
Terribly slow compared to a CTS-V.
350hp in a 4000lb+ car.
They are available in a 6mt though!
AWD, and a great interior.
^ He's trying to help you.
From 13's to 10's is a long road.
Hopefully you've got some saving packed away.
Got lots of experienced vendors on here that can help.
Good luck.