I can't stress enough how good this track is.
First, go watch some Chris Harris drives on Youtube - he raves about this track, and of course does it proud.
Then download this and attempt to drive like him!
This has become my favourite go-to test track for testing cars. You'll have one, you know the typical laptime so will know if a car is going better or worse than before...
And the track, enough elevation changes and interesting corners to 'have another go to get a bit faster'.
I can't comment on the likeness having never been there, but there's enough compression bumps and realism in there that I reckon it's tip top.
A must-have in my opinion