2015 GP3 Series

Thirty-one drivers represented eight teams over the course of the season's nine rounds, starting in Spain on 9 May and ending in Abu Dhabi on 29 November.

[1] Ocon ultimately finished eight points clear of Ghiotto, who won a season-high five races.

Another five-time winner, Marvin Kirchhöfer, completed the championship top three, some fifty-three points behind team-mate Ocon.

The performances of Ocon and Kirchhöfer were more than enough for ART Grand Prix to regain the teams' championship title they had missed out on for the first time in 2014.

The following teams competed in the 2015 season:[2] In December 2014, the full 2015 calendar was revealed with nine events.