Koenigsegg CCXR Trevita is the most expensive car in the world which costs $4.8 million. The CCX was produced between 2006 and 2010 and the total production amounted to only 49 cars. When sunlight hits the Trevita, it sparkles as if millions of tiny white diamonds are infused inside the visible carbon fiber bodywork. It has a 4.8-liter, dual-supercharged V8 with a total output of 1,004 hp and 797 lb-ft. Floy Mayther, an American professional boxer owns Koenigsegg CCXR Trevita.