 He did an impressive one-off for Jordan as third driver on the Friday of the 2005 European Grand Prix, clocking a quicker time than Narain Karthikeyan and Tiago Monteiro, the official Jordan drivers.In mid-2004, as part of his Renault F1 testing duties, Montagny became the chief test and development driver for the new GP2 Series, which would be powered by Renault engines.Montagny was the first driver to take the wheel of the car, and along with former F1 driver and ex-Renault F1 tester and Friday driver Allan McNish, divided testing duties between them, before the GP2 Series was officially launched in 2005.