Porsche made a comeback in the LMP2 category in 2005 with the new RS Spyder prototype, although this was run by closely associated customer teams rather than by the works.
Porsche fixo unha reaparición na categoría LMP2 en 2005 co novo prototipo RS Spyder, aínda que isto realizarono os equipos dos clientes estreitamente asociados e non a fábrica.