China’s BYD has introduced the Yangwang U9 Xtreme as its ultimate performance flagship, redefining what an electric hypercar can do.
Once known as the Yangwang U9 Track Edition, the track-focused model made its public debut during a live online event and quickly backed up the hype with certified test results.
In September 2025, Germany’s Automotive Testing Papenburg verified a blistering top speed of 308.4 mph, the highest ever recorded for a production car.
The U9 Xtreme also conquered the Nürburgring Nordschleife in 6:59.157, beating the Xiaomi SU7 Ultra’s production-EV record. BYD says production will be capped at just 30 units for buyers around the world.
U9 Xtreme outpaces Bugatti and leaves Aspark Owl in the dust
BYD’s Yangwang U9 Xtreme has vaulted to the top of the speed charts, rewriting the record books for production cars. By reaching 308.4 mph, the YangWang U9 Xtreme surpassed the Bugatti Chiron Super Sport 300+, which Andy Wallace drove to 304.77 mph (490.48 km/h) in 2019, also measured in a single direction.
Japan’s Aspark Owl, once a headline grabber, trails far behind with a 272.7 mph best.
Even Koenigsegg’s Jesko Absolut, long touted as a potential record breaker, has only produced computer-simulated figures for its claimed top speed, though it did set a notable 0–249–0 mph acceleration and braking record in August 2025.
According to German GT racing driver Marc Basseng, who piloted the Yangwang U9 Xtreme on its record-setting run, the car’s achievement was a result of its extraordinary engineering and electric drivetrain.
As Basseng explained, the U9 Xtreme’s design allows for “unmatched stability and control, with a quiet, consistent power delivery that gives the driver full focus on the track.”
Four-motor BYD U9 Xtreme delivers 2,220 kW and lightning-fast torque control
The Yangwang U9 Xtreme transforms the already potent U9 into a track-ready missile. The hypercar wears a more aggressive aero package and rides on 20-inch dual five-spoke wheels wrapped in GitiSport e·Gtr2 Pro semi-slick tires, co-developed with Giti to remain stable at speeds approaching 310 mph.
Stopping power comes from titanium calipers clamping upgraded carbon-ceramic rotors.
Underneath, a four-motor layout using BYD’s Yi Sifang system runs on a 1,200-volt silicon-carbide platform. Each motor produces 555 kW, for a combined 2,220 kW – nearly 3,000 horsepower – and a staggering power-to-weight ratio of 1,217 ps per ton.
Advanced torque vectoring makes over 100 adjustments per second, sending power to each wheel independently for maximum grip and precision.
BYD has equipped the U9 Xtreme with advanced hardware aimed squarely at high-speed stability and track performance.
Additionally, the hypercar introduces a new track-spec lithium-iron-phosphate Blade Battery with a dual-layer cooling design, engineered for 30C discharge rates to keep temperatures in check during the most demanding run, ensuring consistent power output, enhanced safety, and peak performance under extreme conditions.
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