The 2005 Eurocup Mégane Trophy season was the inaugural season of the Renault–supported touring car category, a one-make racing series that is part of the World Series by Renault. The season began at Circuit Ricardo Tormo on 4 June and finished at the Autodromo Nazionale Monza on 23 October, after seven rounds and fifteen races.[1]Jan Heylen won the title, having battled Renaud Derlot for the entire campaign.[2]
^The second qualifying at Bilbao was cancelled due to repeated driving over the kerbs; it was weakening elements of the cars' suspension. The drivers started in the finishing order of the first race.[3]