Well, say hello to the world’s fastest production car, the Yangwang U9 Xtreme. The U9 Xtreme uses a 1,200-volt system architecture to provide four electric motors with over 3,000 horsepower. So, not only is the Yangwang U9 Xtreme the world's fastest car, it also now holds the record for the world’s fastest EV. The U9 Xtreme edition gets denser batteries that can discharge at an ultra-high rate of 30 ºC (86 ºF). Keep in mind that it always feels slower in there …YANGWANG U9 Xtreme Top Speed Full Run - VBOXI still remember when it broke out as a jumping, leaping, rotating hypercar.