(Beijing, March 9) – A Xiaomi SU7 Ultra with temporary license plates was recently spotted speeding late at night in Weifang, Shandong Province.
A viral video circulating online shows the car’s central control screen displaying an acceleration from 0 to 192 km/h in 17 seconds, with a peak speed of 303 km/h.
The public's focus, however, is not just on the impressive performance of Xiaomi's electric vehicle. Many Chinese netizens are calling on Xiaomi's Chairman and CEO, Lei Jun, to introduce "geofencing" or "electronic fencing" technology to limit the car’s maximum speed when driving on public roads.
According to the Weifang Public Security Bureau’s Traffic Police Department, authorities acted quickly after receiving a public report on the afternoon of March 7. Using advanced data analysis and intelligent matching technology, they identified the driver, Li, within four hours and apprehended him by 5:00 PM the same day.
Officials stated that the driver’s actions violated Article 42 of China’s Road Traffic Safety Law, which prohibits vehicles from exceeding posted speed limits.
A lawyer interviewed by Henan Dahe Daily noted that "severe speeding in urban areas may be considered a crime of dangerous driving," punishable by detention and fines. If the violation results in a serious accident, the driver could face up to seven years in prison.
The lawyer also warned that the Xiaomi SU7 Ultra's acceleration capabilities—approaching Formula 1 levels—could be extremely hazardous for non-professional drivers on public roads.
Can the Xiaomi SU7 Ultra Really Reach 300 km/h?
According to Hangzhou Daily, Xiaomi’s customer service confirmed that the SU7 Ultra is engineered for race-level performance, with a maximum speed of 350 km/h.
When asked if Xiaomi would take action against drivers reaching 300 km/h outside a racetrack, the customer service team explained that the vehicle has preset driving modes. In daily use, modes such as "beginner," "eco," and "standard" restrict power output and acceleration to safer levels.
Some Xiaomi car owners reported that the latest system update (version 1.5.0) includes a "Driving Safety Protection" feature. When enabled, it limits the car’s top speed to 140 km/h. This feature is mandatory for all new vehicles following the update and automatically activates "Beginner Mode." The central control screen displays a "Safety Protection" indicator in the upper-right corner, and performance restrictions remain until the vehicle reaches 300 km of total mileage.
During this initial 300 km "new driver" phase, the SU7 Ultra’s maximum speed is capped at 140 km/h, and its full power output remains restricted.
The Xiaomi SU7 Ultra, priced from 529,900 RMB, officially launched on February 27. At China’s National People’s Congress on March 6, Lei Jun revealed that over 10,000 units were sold within three days of release, meeting the company’s annual sales target ahead of schedule.
The news of a Xiaomi SU7 Ultra reaching 300 km/h in 17 seconds so soon after launch has sparked significant public discussion, with some netizens commenting that "Xiaomi just received some unexpected publicity."
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