Driver changes ;Changed teams • After competing for
Tech 1 Racing at the
Nürburgring during the
2014 season,
Alfonso Celis Jr. switched to
AVF for a full 2015 campaign. •
Meindert van Buuren switched from Pons Racing to
Lotus. but left the team prior to the start of the season to join
Comtec Racing. However, prior to the first round he switched to
Auto GP with FMS Racing. •
Dean Stoneman, the
GP3 Series runner-up, returned to the series with DAMS. Amberg will also race for
Lazarus in the
GP2 Series. •
William Buller, who raced for Arden Motorsport in 2014, joined
Kondō Racing in
Japanese Super Formula. •
Pierre Gasly, the runner-up of the 2014 season, joined the GP2 Series with DAMS. Gasly also took part in the final three rounds of the 2014 GP2 season with
Caterham Racing. •
Luca Ghiotto, who raced for
International Draco Racing in 2014, moved to the
GP3 Series with
Trident Racing, the team with which he contested two rounds of the
2014 season. He will be joined at the team by
Óscar Tunjo, who raced for Pons Racing in 2014. •
Norman Nato, who drove for DAMS in 2014, entered the GP2 Series with Arden International. •
Carlos Sainz, Jr. the 2014 champion, graduated to Formula One, racing for
Toro Rosso alongside fellow rookie
Max Verstappen. •
Sergey Sirotkin, who finished fifth for
Fortec Motorsports in 2014, joined the GP2 Series with
Rapax. •
Marco Sørensen, who raced for Tech 1 Racing in 2014, entered the GP2 Series with Carlin, and the
FIA World Endurance Championship with
Aston Martin Racing. •
Will Stevens, who finished sixth for Strakka Racing in 2014, graduated to Formula One, racing for the Manor F1 Team. Stevens made his Formula One debut with
Caterham in the
2014 Abu Dhabi Grand Prix. •
Marlon Stöckinger, who finished ninth for Lotus in 2014, joined
Status Grand Prix in the GP2 Series. • Cameron Twynham, who contested three rounds of the championship for Comtec Racing in 2014, joined the
Porsche Supercup with
MOMO-Megatron. ;Mid-season changes • GP3 Series driver
Alex Fontana replaced Roberto Merhi at Pons Racing for the Monaco round due to Merhi's Formula One commitments with the Manor F1 Team on the same weekend. •
British team Carlin returned to the championship after withdrawing from the 2014 season. ==Race calendar and results==