The 2015 ADAC GT Masters season is the ninth season of the ADAC GT Masters, the grand tourer-style sports car racing founded by the German automobile club ADAC. The season starts on 25 April at Motorsport Arena Oschersleben and ends on 4 October at Hockenheim after eight double-header meetings.René Rast and Kelvin van der Linde enter the season as the defending Drivers' Champions. Prosperia C. Abt Racing enters the season as the defending Teams' Champion.
The series will change tyre supplier from Yokohama to Pirelli.
The eight-event calendar for the 2015 season was announced on 21 November 2014.
Championship points were awarded for the first ten positions in each race. Entries were required to complete 75% of the winning car's race distance in order to be classified and earn points. Individual drivers were required to participate for a minimum of 25 minutes in order to earn championship points in any race.
Bold – Pole
Bold – Pole