Xiaomi EV Q&A
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Episode 78

2024-11-01

5 Q&As in their original order.

#01 Long-term

In the documentary of Xiaomi SU7 Ultra's first attempt at the Nürburgring, why did it appear that there was a power interruption (no power)? What was the actual situation?

Thank you for your attention to Xiaomi SU7 Ultra's Nürburgring challenge and for watching our documentary. Our backend detected a loss of signal from the speed sensor around the 4-minute 17-second mark. After completing the lap time test, we inspected the vehicle and found no abnormalities in the powertrain. Due to weather conditions on the day of the test, there were many fallen leaves on the track surface. We determined that the leaves had blocked the speed sensor, causing the traction control…
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#02 Long-term

Why did Xiaomi SU7 Ultra only reach a top speed of 324km/h during the sprint on the long straight at the end of the Nürburgring?

The top speed performance of electric vehicles is influenced by comprehensive factors such as battery level and track conditions. The Nürburgring is 20.832km long in total, and the end of the track features a long straight. This section has an overall uphill trend, and on the day of the test, parts of the track surface were wet, which consumed significant vehicle performance. Under these circumstances of limited battery capacity, the Xiaomi SU7 Ultra prototype reached a top speed of 324km/h on t…
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#05 Long-term

I saw some real photos and videos of Xiaomi SU7 Ultra where the tire sidewall has an "R" marking. Can such tires support a top speed of 350km/h?

Currently, all Xiaomi SU7 Ultra display cars are in the VP stage, i.e., the validation production phase, and are not the final mass-production versions. Therefore, some details differ from the mass-produced version, including the tires. The final mass-produced version will use tires with a "ZR" structure type and a speed rating of "Y", which can meet speeds above 300km/h. The tires for Xiaomi SU7 Ultra have undergone thorough testing and obtained national mandatory regulation certifications, so …
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