The 2015 ADAC GT Masters season was the ninth season of the ADAC GT Masters, the grand tourer-style sports car racing founded by the German automobile club ADAC. The season started on 25 April at Motorsport Arena Oschersleben and ended on 4 October at Hockenheim after eight double-header meetings.[1] René Rast and Kelvin van der Linde entered the season as the defending Drivers' Champions. Prosperia C. Abt Racing entered the season as the defending Teams' Champion.
The series changed tyre supplier from Yokohama to Pirelli.[2]