There are speeds at which one could still reasonably debate whether they offer any practical benefit in everyday life. 503.17 km/h is probably not one of them, unless your daily life involves seven kilometers of closed road in Abu Dhabi, four electric motors and the urgent need to write a number starting with five on the spec sheet.
However, that is exactly what Yangwang has achieved now. On November 1, the U9 Xtreme reached 503.17 km/h on a closed section of the E11 in the Al-Dhafra region. German driver Marc Basseng was once again at the wheel. The speed has been confirmed by the FIA and Guinness World Records lists it as the highest speed for a production car and an electric production car in a one-way race.
This distinction is important. Traditional speed records are usually determined from two races in opposite directions to account for factors such as wind and gradient. In the case of Yangwang’s record, it is explicitly a “one-way race.”
This improves on the BYD subsidiary’s previous record of 496.22 km/h, which the U9 Xtreme set in September 2025 at the Papenburg test track in Lower Saxony. Exceeding the 500 km/h threshold therefore represents an increase of only 6.95 km/h. However, achieving these additional seven kilometers per hour required considerable adjustment.
Four engines and more than 3,000 HP
The record attempt lasted two days. On October 31, the maximum speed initially reached was 490 km/h. Overnight, engineers adjusted parameters such as battery temperature, engine temperature, rear wing angle, suspension software and tire pressure. On the second lap the next day, the speedometer finally read 503.17 km/h. The basis for this performance is an uncompromising powertrain. The U9 Xtreme has four electric motors that together deliver more than 3000 HP. According to Yangwang, each motor can reach up to 30,000 rpm and up to 555 kW. The power-to-weight ratio is set at 1,217 hp per ton.
This is complemented by a 1,200-volt architecture, while the standard U9 operates at 800 volts. The system is said to support currents of up to 1,000 amperes. The LFP-based Blade battery achieves a discharge rate of up to 30°C, according to the manufacturer. Even at a 20 percent state of charge, it is claimed to deliver up to 1,800 kW of power. Yangwang claims the regenerative braking power exceeds 700 kW.
At such speeds, chassis and aerodynamics naturally play a bigger role than questions like whether another suitcase will fit in the trunk. The DiSus-X active suspension can intervene individually on each wheel. Combined with torque vectoring from all four motors, it is designed to stabilize the body even at extremely high speeds. The semi-slick tires specially developed by Giti Tire are also intended to prevent the tires and rims from shifting relative to each other under the enormous forces.
The U9 Xtreme also holds the fastest lap record for production electric vehicles on the Nürburgring Nordschleife. With a time of 6:59.157 minutes, the vehicle stayed under seven minutes, according to Yangwang, with the same specification used for the recent top speed attempt.
However, the U9 Xtreme will not enter series production as a future high-volume model: Yangwang plans to build only 30 units. The first customers have already finalized their individual configurations and are in the contract or production planning phase. The company has not revealed a price in its current announcement.
So the U9 Xtreme probably isn’t the answer to any specific mobility challenge. But sometimes, technological progress simply means crossing a border that no one seriously claimed needed to be crossed. We have already surpassed at least the 500 km/h mark.
bydukmedia.com
