Pérez drove for the Campos Grand Prix team in the 2008–09 GP2 Asia Series season, partnering Russian driver Vitaly Petrov. He is the first Mexican driver to compete at this level of motorsport since Giovanni Aloi took part in International Formula 3000 in 1990. He won his first GP2 Asia Series race at Sakhir, having started from the pole position. He added a second win at Losail, during the sprint race of the night meeting in Qatar.