Who is the biggest car collector in the world?

It’s difficult to determine who the biggest car collector in the world is, as many car collectors keep their collections private. However, some of the most well-known car collectors include the Sultan of Brunei, Rodger Dudding, Jay Z and Beyoncé, Cristiano Ronaldo, Horacio Pagani, Jerry Seinfeld, Ralph Lauren, and Manny Khoshbin.