2015 Race4Speed F3 World Series

The 2015 F3 World Series season of the R4S F3 Leagues is the second R4S F3 season and first F3 World Series season. Race4Speed continued it's cooperation with Deutsche Liga Meisterschaft e.V. upon this series. There were fourteen races scheduled.

Juan Manuel Gomez of TR Motorsports became driver's champion, while his team, TR Motorsports, claimed the team's championship.

Mid-season changes

 * Myles Dixon stepped out of F3 after round 1 just to return with TR Motorsports II for Bathurst and Macau.
 * Martin Jatzek switched from SF Corse to his own team, Ecodrom Prototype Racing, after round 5.
 * Being short on time doe to his job, Constantin Grimminger gave up his seat in the #5 of Peru Racing by Team GM. The spot was later taken by rookie Zac Jones, who stopped racing F3 after five rounds because of health reasons.
 * As he was available later, Grimminger entered a second team, this time under the Team GM name. However, in order to boost the main team of Peru Racing, he joined the vacant #24 car for round 8 before returning to the #5 car prior to Surfers Paradise.
 * Sergi Maturana switched from Spanish F3 Team to Peru Racing by Team GM for Macau.
 * J. Robert Tamayo joined the series for one event at Shadow Force RT, but returned two events later as a substitue for Nicolas Soto.