HomeCar Reviews & NewsNewsBYD builds world’s fastest carNewsThe world’s fastest production car is now electric, BYD’s Yangwang U9 Extreme blasting to a Bugatti-beating 308mphPublished on 22 September 2025 | 0 min readWe hear a lot about ‘China Speed’ when it comes to the incredible pace of development, rush of new models and even arrival of new brands. Well, thanks to BYD we can now put a number on that, too – 308.4mph to be precise. Because that’s how fast the U9 Extreme from BYD’s sub-brand Ya...