496.2 km/h — BYD Yangwang U9X Sets the Global Speed Record, with 3D Printing Playing a Key Role

On September 21, 2025, BYD’s all-electric supercar, the Yangwang U9X, achieved a staggering top speed of 496.2 km/h, setting a new world record for the fastest car ever built. Powered by a fully integrated 1200V ultra-high-voltage platform and four high-performance motors each spinning at 30,000 rpm, the U9X boasts over 3,000 horsepower. Together with its titanium-carbon ceramic braking system and semi-slick tires, the vehicle delivers razor-sharp control even under extreme speeds.

At the launch event, Panda3dp.com noted that the Yangwang U9X incorporates cutting-edge 3D printing technologies, including aluminum alloy 3D-printed body structures and titanium alloy 3D-printed brake calipers.

Yang Feng, Director of the Yangwang Research Institute, explained:

“In the manufacturing of the U9X, our team leveraged 3D printing to achieve unprecedented vehicle lightweighting, setting a new industry record with a weight-reduction coefficient of 0.83.”

He elaborated:

“We retained the essential structural weight needed for safety but re-examined the body design. We found that many portions were burdened by unnecessary weight allowances — for processes, connections, and compensations. Traditionally, car bodies are made using cast or extruded components, limiting design flexibility. Topology-optimized structures were often impossible to manufacture — until now. With 3D printing, we’ve finally broken through those design constraints.”

When the host voiced a common skepticism — that 3D printing seems suitable only for non-critical parts — Yang responded confidently:

“That’s no longer the case. In aerospace, aluminum alloy components have long been produced with 3D printing. For the first time, we’ve introduced this top-tier technology into automotive body design. We 3D printed both the front and rear cabins, elevating the car’s performance while significantly reducing weight.”

Beyond body lightweighting, Yang added:

“Our brake calipers are made from 3D-printed titanium alloy. This not only cuts weight but also dramatically improves heat and temperature resistance. Alongside advancements in motors and batteries, we’ve managed to make the U9X 100 kg lighter than the previous U9.”

Backed by its 1200V high-voltage system, track-grade blade battery, Yi Si Fang + Yun Nian architecture, and 3D-printed lightweight structure, the Yangwang U9X shattered the global speed record at Germany’s ATP proving ground with a top speed of 496.2 km/h. It also clocked an impressive 6:59.157 on its first Nürburgring lap — making it one of the first pure electric cars to break the seven-minute barrier, showcasing its extraordinary power and track stability.

The Yangwang U9X will be produced in a limited run of 30 units, each continually refined — a testament to BYD’s pursuit of high performance, advanced safety, and luxurious engineering.