BYD Yangwang U9 Xtreme Becomes the Fastest Production Car in the World; Hits 503 Kmph

This record-breaking performance follows previous testing milestones for the model, including a 496.22 kmph run in Germany last September and a sub-seven-minute lap time of 6 minutes and 59.157 seconds at the Nürburgring Nordschleife. The U9 Xtreme is a specialized, limited-production variant of the original Yangwang U9, with global availability restricted to just 30 units.

BYD Yangwang U9 Xtreme: Powertrain

At the core of the Yangwang U9 Xtreme is BYD’s 1200V e4 platform, which utilizes a quad-motor configuration. These motors are capable of reaching speeds of 30,000 RPM and deliver a combined peak power output of 2,977 bhp. The vehicle features an advanced torque vectoring system that replaces traditional axles, allowing for parameter adjustments at a rate of 100 times per second. This powertrain is supported by an 80 kWh battery pack designed with a 30C discharge rate, enabling the necessary power delivery across the 1200V and 1000A electrical architecture.

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To manage the extreme forces generated at such high velocities, the U9 Xtreme incorporates significant aerodynamic enhancements compared to the standard model. These modifications include a prominent carbon fiber front splitter, a dual-channel hood design, a tall swan-neck rear spoiler, and a large rear diffuser. These components are engineered to maintain stability and downforce, preventing aerodynamic lift during high-speed operation.

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BYD Yangwang U9 Xtreme: Performance & Testing

The record-setting run in Abu Dhabi involved a controlled acceleration process where the driver optimized tire temperature and traction before applying full throttle. The vehicle maintained a steady pace until reaching 380 kmph, at which point the driver engaged full power to reach the final recorded speed of 503.17 kmph. The U9 Xtreme continues to distinguish itself from the standard Yangwang U9—previously known for its DiSus-X intelligent body control system capable of rhythmic movement and vertical jumping—by focusing specifically on extreme aerodynamic efficiency and raw power output.