Of course they are not real cars!!!
They look like Artist inspired images as opposed to Photoshops.
Take away those horrible chrome looking wheels and we have some very aggressive and impressive looking vehicles.
I think the stock 997 looks a bit pansey-ish...I will be looking to add either the TA aftermarket or one of these Gemballa kits (the GT or GT v1.2 BUT WITHOUT THE WINGS) - if they ever see production - the others are a bit OTT