The 2013 ADAC Procar Series season was the nineteenth season of the ADAC Procar Series, the German championship for Super 2000touring cars. The season consisted of eight separate race weekends with two races each, spread over eight different tracks.
^ a bHudson, Neil (23 December 2012). "Leidinger returns for 2013 ADAC Procar season". TouringCarTimes. Mediaempire Stockholm AB. Retrieved 6 April 2015.
^Hudson, Neil (4 May 2013). "Christian Klien to join Liqui Moly Team Engstler at Spa". TouringCarTimes. Mediaempire Stockholm AB. Retrieved 6 April 2015.