2005 Italian Grand Prix in third on 86 and Toyota fourth on 78. There were no retirements during the race, a feat that had not been achieved in Formula One with a full field since the 1961 Dutch Grand Prix, and would not be achieved again until the 2011 European Grand Prix. The 2005 United States Grand Prix is also considered to have had no retirements; however, only six cars started due to problems with the supply of Michelin tyres, which led to the mass withdrawal of all teams running on those tyres due to safety issues. Pizzonia replaced Nick Heidfeld for the rest
A1 Grand Prix the A1 Grand Prix World Cup of Motorsport since the 2005–06 season. The World Cup of Motorsport was awarded to the A1 Grand Prix team which accumulated the most points over the course of a season. The A1GP formula provided a single "spec" car for each team. Each car was mechanically identical, built with many technical restrictions designed to limit performance, reduce running costs, and prevent any one or number of teams gaining an advantage through better equipment. This regulation provided a level playing field in which driver skill and team effort should become the primary factor for success. Specifically,