Tommy78 has released his Audi TT 2015 Cup mod for Assetto Corsa and rFactor 2. (http://www.virtualr.net/audi-tt-cup-2015-ac-rf2-released)
The mod comes with proper simulation of the series’ specific features such as the push to pass system, it includes a full field of 19 liveries from the 2015 season.
Powered by a turbo-charged two-liter TFSI four-cyclinder engine, the Audi TT Cup is Germany’s newest one-make cp racing car. The 310hp cars will be racing in support of the German DTM series starting with the 2015 season.
(http://www.virtualr.net/wp-content/gallery/7634/2015-04-04_00015.jpg)