What is the most expensive sports car in the world? Koenigsegg CCXR. Highest speed: 400km/h, 2.9s mph, 1018 horsepower, priced at about 2,173,950 USD. It’s the world most luxury sports car. In 1994, an amazing dream was born with a 22 years old Swede young man Christian Von Koenigsegg, he wanted to build cars with speed more than 400 km/h, and quickly put into action. Now his dream has come true. Let’s have a look at how exactly Koenigsegg CCXR is: