ADAC Formula 4

ADAC Formula 4 (German: ADAC Formel 4) is a racing series regulated according to FIA Formula 4 regulations. The inaugural season was the 2015 ADAC Formula 4. It replaced the ADAC Formel Masters, held from 2008 to 2014 and is currently one of the most competitive Formula 4 series in the world with large grids and professional teams.