There are reports about the fastest road cars in the world, with various outlets ranking them differently, including lists of the top 10, 18, 25, and 30 fastest cars. Some outlets have highlighted specific models, such as the Yangwang U9 Xtreme, which has been reported to have reached a speed of 308mph. The status of the world's fastest production car is unclear, with some sources suggesting that the Yangwang U9 Xtreme may have broken a speed record, but its official status as the world's fastest car is uncertain.