High Quality Content by WIKIPEDIA articles! The 2005 Le Mans Endurance Series season was the 2nd season of ACO`s Le Mans Endurance Series. It is a series for Le Mans prototype and Grand Touring style cars broken into 4 classes: LMP1, LMP2, GT1, and GT2. It began on April 17, 2005 and ended on November 13, 2005 after 5 rounds.