[1] On 6 February 2008 Perera announced that he had signed with Conquest Racing to compete in the Champ Car World Series in 2008 after a successful test with the team.

[3] He lost the ride after three races due to funding issues stemming from the bankruptcy of his sponsor Opes Prime, causing the team to hire Brazilian driver Jaime Camara.

[4] Perera was not allowed to start the feature race of the Hungarian round, due to causing an avoidable accident in qualifying, with Romain Grosjean.

In 2013, Perera returned full-time, driving a Porsche 911 in the Blancpain Endurance Series for Pro GT by Almeras in the Pro-Am class.

(key) (Races in bold indicate pole position; results in italics indicate fastest lap) * Season still in progress.