 In 2011 Chilton joined his father's Carlin team for the outfit's first foray into GP2, having previously driven for them in Formula Three.Partnered variously by reigning Formula Renault 3.5 Series champion Mikhail Aleshin and Álvaro Parente, he finished 22nd in the Asia series and 20th in the main series.He remained with the team, now with backing from the Marussia Formula One team, for the 2012 season alongside Rio Haryanto.