The YANGWANG U9 Xtreme, an electric supercar developed by BYD’s high-end brand YANGWANG, broke the world record for the fastest electric vehicle in September 2025. The top speed of 496.22 km/h, measured under German ATP certification, significantly surpasses the previous record and demonstrates new possibilities for electric vehicles.
BYD sets new EV world record, demonstrates impressive performance at the Nürburgring
Even more noteworthy is the lap time of 6 minutes 59.157 seconds recorded on the Nürburgring Nordschleife, one of the world’s most challenging circuits. This proves a technological breakthrough that defies conventional wisdom by achieving both “top speed” and “circuit performance.”

YANGWANG U9 Xtreme
The culmination of innovative technologies: the world’s first 1200V ultra-high voltage platform
Next-generation powertrain system
The YANGWANG U9 Xtreme’s incredible performance is powered by the world’s first mass-produced 1200V ultra-high voltage platform. This innovative system is equipped with the following cutting-edge technologies:
High-Performance Motor System
- Four high-performance motors running at 30,000 rpm
- High-strength aviation aluminum housing
- High-speed bearings
- Highest standard configuration with 970MPa rotor
Incredible power-to-weight ratio
- Achieves a total output of over 3,000 PS
- Power-to-weight ratio: 1,217 PS/t
- Total system efficiency improved by 133% (compared to conventional models)
e⁴ Platform and DiSus-X Control System
The combination of the e⁴ platform, optimized for the circuit, and the DiSus-X intelligent vehicle control system achieves a high level of vehicle posture control, bringing about a qualitative transformation in performance that exceeds theoretical values.
Innovations in cooling systems and battery technology

Redesigned cooling system
The U9 Xtreme has a completely redesigned cooling system, incorporating the following technologies:
- High flow oil pump
- Three-dimensional motor cooling system
- Stable peak performance maintenance system
Circuit specification blade battery
BYD’s proud Blade Battery has also evolved into a circuit-specific specification:
- Optimizing cell design and internal resistance
- Newly developed two-layer cooling structure
- Achieves an ultra-high discharge rate of 30C
- Setting a new standard for lithium iron phosphate batteries
Pushing the limits of braking systems and tire technology
Newly developed titanium alloy carbon ceramic brake
Braking performance has also been significantly improved, with the following features:
- Titanium alloy carbon ceramic braking system
- Ventilated and slit disc
- Titanium alloy caliper that is both lightweight and rigid
- Nürburgring-specific tuning algorithm
- No performance loss at 177 braking points
Special tires jointly developed with Keito Tire
Features of the GitiSport e·GTR² PRO semi-slick tire:
- Ultra-high strength aramid fiber used in bulletproof clothing
- Suppression of shape change at speeds of 500km/h
- Asymmetric tread pattern
- Reinforced sidewall structure
- Stable and maneuverable during ultra-high G turns
Limited to 30 units worldwide: a valuable collector’s item
The YANGWANG U9 Xtreme is a rare model that combines cutting-edge technology with collector’s value, and only 30 units will be sold worldwide. This rarity will make it a monumental vehicle that will mark a new chapter in automotive history.
Impact on the EV supercar market and future prospects
Establishing technological leadership for Chinese brands
The success of the U9 Xtreme clearly demonstrates that Chinese brands have established solid technological leadership in the global high-performance vehicle market, bringing new technological innovations to the supercar market, which has traditionally been dominated by European manufacturers.
A new milestone in the development of NEV (New Energy Vehicle) technology
This achievement marks a significant milestone in the development of NEV technology and significantly expands the possibilities of electric vehicles, setting new standards in the following areas:
- High-Voltage Platform Technology
- High-Performance Motor Technology
- Battery Cooling System
- Intelligent Vehicle Control
- Ultra-high speed tire technology
Summary: A new era of electric vehicles is upon us
The YANGWANG U9 Xtreme not only broke the land speed record, but also demonstrated the new potential of electric vehicle technology to the world. With a top speed of 496.22 km/h and a lap time of 6 minutes 59.157 seconds around the Nürburgring, it is a historic achievement that fundamentally changes the concept of EV supercars.
With a limited production run of just 30 units, the YANGWANG U9 Xtreme combines cutting-edge technology to become the ultimate choice for car enthusiasts and collectors. The arrival of this innovative supercar marks a new stage in the future of electric vehicles.
BYD news release


























