Sultan Hassanal Bolkiah of Brunei is believed to have a private collection of around 500 Rolls-Royces - the largest collection of its kind in the world. During the 1990s, his family accounted for almost half of all Rolls-Royce purchases.
His entire car collection is believed to be worth around $4billion and includes a Porsche Carrera GT, Lamborghini Diablo Jota, Porsche 959, Bugatti EB110, Lamborghini Murcielago LP640, Maybach 62, Jaguar XJR-15, six Dauer 962ssix Ferrari FX, the original red show model of the Bentley Continental R, two fully operational versions of the Ferrari Mythos concept car, both of the Ferrari 456 GT Sedans, the only right-hand drive Mercedes-Benz CLK-GTR in the world, five McLaren F1s and three Cizeta-Moroder V16T cars. He also possesses a Formula One car as driven by every Formula 1 World Drivers Champion since the 1980 Formula One season.
Comments below may relate to previous holders of this record.