Decisions Decision Decisions

Hi all I'm from Essex in the UK and currently own two Subaru Impreza's a UK model running 280bhp and a import I played about with engine running gear and turbo this is running 420bhp and 430 torque.
I don't own a Tiguan yet but might be ordering a new one this weekend. The hard part is I can't make up my mind what model and spec to get.
I have a set budget and have got it down to two models. Any advice you can give me would be great.

Tiguan 2.0TDI SEL 4WD 190hp 7speed DSG Auto

or

Tiguan 2.0TDI R Line Tech 150hp 7speed DSG Auto

My question is. Is it worth giving up the 190hp motor and 4WD for the R Line.
I'm also having a hard time deciding on colour
The R Line choices are Deep Black Pearl or Indium Grey.
The SEL choices are Deep Black Pearl, Indium Grey or Caribbean Blue Metalic

Thanks all
Dasco