 "A gray background denotes a season in which the World Cup for GT Drivers was awarded"

The Manufacturers' Championship has been exclusive to LMP1 entries supported by major automotive manufacturers.Points were awarded to the leading car from each manufacturer until the 2014 season when the top two finishers from each manufacturer were eligible for points.In 2014 the LMP1 class was also divided, with manufacturers limited solely to the LMP1-H category.