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
2005–06 A1 Grand Prix of Nations, Portugal 2005–06 A1 Grand Prix of Nations, Portugal The 2005–06 A1 Grand Prix of Nations, Portugal was an A1 Grand Prix race, held on the weekend of October 23, 2005 at the Autódromo do Estoril circuit. Friday was affected by inclement weather, which saw the morning test sessions and practice held in wet conditions due to rain. Local star Álvaro Parente set the quickest time in the first test session, one of two additional timed 40 minute runs that allowed teams to obtain the best set ups on their cars. Parente set a time of 1'54.918, but this was soon eclipsed