What tests are included in the officially announced 4.28 million kilometers of real-road testing for the Xiaomi Pengcheng?

Question

The Xiaomi Pengcheng's real-road testing covers the entire country, including comprehensive tests in extreme environments such as extreme cold, extreme heat, high altitude, and high temperature with high humidity.

Accepted Answer

As of June 30 this year, Xiaomi has deployed a total of 566 test vehicles for the Xiaomi Pengcheng in batches. The 4.28 million kilometers represent the actual driving test mileage of the Xiaomi Pengcheng test vehicles on real roads. From Heihe at -41°C to Turpan at 53°C, and from Ayding Lake in Xinjiang, the lowest point of elevation on China's landmass, to the Ngari Prefecture in Tibet at an altitude of 5,380 meters, our test vehicles have traveled across 31 provincial-level administrative regions and 194 prefecture-level cities nationwide.
The Xiaomi Pengcheng has undergone comprehensive testing before its launch. Here are a few examples of test projects in extreme environments:
In Heihe at -41°C, the Xiaomi Pengcheng underwent comprehensive tests, including low-temperature battery discharge, air conditioning heating, cold start of the range extender at low temperatures, and the handling stability of the complete vehicle on low-adhesion surfaces. At the same time, our tests fully replicated the real-world winter usage chain for users: cold start → warm-up → driving → charging → restart.
In Turpan at 53°C, we conducted tests on the air conditioning's cooling capacity after high-temperature exposure, the limits of battery thermal management, and the stability of the range extender under continuous high-load operation;
In Ngari, Tibet, at an altitude of 5,380 meters, we conducted a series of extreme validations, including high-altitude power calibration for the range extender, complete vehicle powertrain verification, and high-altitude adaptability testing for the braking system;
In high-temperature and high-humidity areas like Haikou and Guangzhou, we monitor the in-car humidity in real time to predict the risk of fogging, ensuring the vehicle can easily handle high-humidity and high-temperature environments.
Simply put, the road testing for the Xiaomi Pengcheng simulates the harshest driving environments users might encounter to conduct comprehensive testing, ensuring that the Xiaomi Pengcheng can withstand the test under different temperatures, altitudes, and road conditions.

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