During the 1990s, his family accounted for almost half of all Rolls-Royce purchases.

The Sultan Hassanal Bolkiah has a net worth of about $20 billion and is one of the richest royals in the world, according to Forbes. His car collection was once estimated to be worth around $5 billion.

Some of the most notable in his entire car collection 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.

According to guinnessworldrecords.com and xtraspace.co.za