The Sultan Hassanal Bolkiah Of Brunei Car Collection – $5 Billion
The Sultan Hassanal Bolkiah of Brunei is known for his extravagant lifestyle, and his car collection is no exception. He has a net worth estimated at over $20 billion. The car collection is one of the most impressive in the world. There are some estimating it contains over 7,000 cars. The collection includes several rare and unique vehicles, including a gold-plated Mercedes-Benz CLK. There is also a custom-made Rolls-Royce Silver Spur limousine, and a Ferrari FX (via Car HP).

The Sultan’s collection also includes several vintage cars, including a 1932 Rolls-Royce Phantom II and a 1957 Mercedes-Benz 300SL Gullwing. The cars in the Sultan’s collection are kept in his private museum. But he has been known to occasionally take them out for a spin around the streets of Brunei.