The series also became more international, with more than half of the race calendar held outside Spain.

Renault started the Formula Renault V6 Eurocup in 2003, as a support series in Eurosport's Super Racing Weekends (European Touring Car Championship and FIA GT Championship). The series ran with Tatuus chassis and a Nissan 3.5 L V6 engine.

In 2005, Renault