Board Thread:Game Discussion/@comment-26829978-20150728134453/@comment-26632650-20150728140224

LOL (Lions Of Leibzig) does'nt open "Endurance Kings" but "Concept Car Clash" with the "Porsche 918 Weissach Package", wich you can win in "Lions Of Leibzig" or buy for 700 Gold.

Look around in the wikia and you'll find out a lot more about this special event and the Porsche ;-)