I would say that the car is VERY keenly priced - in fact doing a lot to drop the price of other GTIs!!!
As others have said - the WORST month to be selling a car, or anything for that matter. Nobody has any money.
If I was being picky, whilst the car is A1 condition, the pics could be taken in a better place - looks like an industrial estate/unit. I might put buyers off, as there is no reference to a home etc.... Daft, I know, but I had the same issue with my S4 when I was selling.
Changed the pics for a more desirable location, and got loads more interest...
Good luck either way
Dan