 He finished second in his first appearance in a race in the United States, five seconds behind Australian Will Power.In June, he drove the Peugeot 908 HDi FAP at the 2008 24 Hours of Le Mans and finished in the third place with Ricardo Zonta and Christian Klien.Montagny made his debut in the American Le Mans Series with Andretti Green Racing at the 2008 Northeast Grand Prix at Lime Rock Park in July 2008, driving an Acura ARX-01B.