Chinese automotive powerhouse BYD has officially claimed the title of world’s fastest production car with its Yangwang U9 Xtreme electric hypercar. Vehicle reached a verified top speed of 496 km/h (308 mph) at Germany’s ATP proving grounds, surpassing the previous record held by the Bugatti Chiron Super Sport 300+ at 304.77 mph.
Achievement doesn’t just represent a marginal improvement—it signals a paradigm shift in the hypercar market, with an EV manufacturer now holding the crown long dominated by internal combustion engines.
Yangwang U9 Xtreme’s record-setting performance comes courtesy of its staggering 2,978 horsepower powertrain. Car utilizes a revolutionary 1,200-volt electrical architecture paired with an 80 kWh LFP battery. This isn’t your standard battery setup—BYD has developed a track-grade LFP Blade Battery featuring dual-layer cooling capable of 30C discharge rates for superior thermal management.
“We’ve increased the density of each cell by 170% compared to the lower trim U9 800V system,” a BYD representative stated. This allows the U9 Xtreme to handle charging speeds of up to 500 kW.
Quad-motor setup in the Yangwang U9 Xtreme represents another technical leap. Each motor can spin at a maximum of 30,000 RPM and features super-thin 0.1mm silicon steel construction—a first for mass production vehicles.
These motors deliver instantaneous torque across the entire speed range, allowing the Yangwang U9 Xtreme to maintain acceleration even at speeds where traditional hypercars typically start to struggle against aerodynamic resistance.
Hu Xiaoqing, General Manager of the Yangwang Sales Division (BYD’s premium brand), highlighted the extensive weight-reduction strategies implemented in the Yangwang U9 Xtreme.
“In the industry, a good vehicle usually achieves a body lightweighting index of around 2-3. One competitor once pushed that figure down to 1. With the standard Yangwang U9, we managed to reach 0.95, and now the Yangwang U9 Xtreme has set a new benchmark at 0.83,” Xiaoqing explained.
Impressive achievement comes from advanced manufacturing techniques, including aerospace-grade 3D printing technology for both front and rear compartments, and even titanium-alloy 3D printed brake calipers. These innovations made the Yangwang U9 Xtreme approximately 100 kilograms lighter than the standard U9.
Yangwang will produce just 30 units of the U9 Xtreme, making it exceedingly rare. While official pricing hasn’t been announced, it’s expected to significantly exceed the 1.68 million yuan ($236,000) price tag of the standard U9, likely crossing the 2-million yuan mark.
As traditional supercar manufacturers rush to develop their EV strategies, BYD’s Yangwang U9 Xtreme has already left them in its dust—proving that when it comes to extreme performance, the electric revolution is already reaching its peak.
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