BYD’s YANGWANG U9 Xtreme is world’s fastest production car

In an epoch-defining demonstration of technological mastery, YANGWANG, BYD’s ultra-luxury sub-brand, has irrevocably transformed the performance landscape of electric mobility. On 14 September 2025, the marque’s U9 Xtreme shattered the global production-car top-speed record, achieving a staggering 496.22 km/h (308.4 mph) at the ATP Automotive Testing Papenburg track in Germany. This milestone dethrones the fastest petrol-powered production vehicle in history and the U9 Xtreme becomes the fastest production car on the planet, and it is entirely electric! A Technological Tour de Force: The YANGWANG U9 Xtreme The U9 Xtreme, formerly identified as the U9 Track/Special Edition, emerges as a peerless embodiment of cutting-edge engineering. Now officially christened the YANGWANG U9 Xtreme—or U9X, in production nomenclature—this hypercar represents a bold evolution of the existing U9 architecture available in China. It is not merely an electric vehicle; it is a paradigm shift. At its core lies an ultra-advanced 1200V electrical architecture, a significant leap from the standard 800V systems seen in many contemporary EVs. This is coupled with a formidable Blade Battery based on lithium iron phosphate chemistry, capable of discharging at an extraordinary 30C rate, enabling extreme power output without compromising thermal stability or efficiency. Power delivery is orchestrated by four ultra-high-speed electric motors, each capable