Toyota surpases GM in first quarter 2007
I bet this can convince anyone that racing (at NASCAR and F1) it's not the same magnet it used to be for marketing.
World vehicle sales, including GM and Ford, 1998-2005

World car sales, including GM and Ford, 1998-2005

I had no idea that Toyota had produced more cars than GM since 2001 and that Honda's number of cars sold was so close to Ford in 2005.
GM and Ford produce a relatively small number of buses and trucks: the difference between cars and vehicles at these two brands is because of small trucks sold (SUV).
Source: OICA (Organisation Internationale des Constructeurs d'Automobiles or International Organization of Motor Vehicle Manufacturers, http://www.oica.net/ )