Xiaomi CEO Lei Jun Teases New Year Livestream Teardown of YU7

Xiaomi’s Lei Jun will host a year-end livestream to dismantle the YU7, responding to public interest in teardowns.

On Dec. 30, Xiaomi founder, chairman and CEO Lei Jun announced on social media that he will host a year-end livestream at 8 p.m. on Dec. 31, inviting engineers to dismantle the Xiaomi YU7 on site.

Promotional image of Lei Jun, Xiaomi's founder, advertising a year-end livestream event on December 31 at 8 p.m.
Xiaomi’s Lei Jun will host a year-end livestream to dismantle the YU7

In his preview, Lei said he had previously watched teardown videos of the SU7 and noted that many netizens had suggested “taking apart the YU7.”

Against that backdrop, the New Year livestream appears to be a natural response to growing public interest.

Since the launch of the Xiaomi SU7, multiple professional automotive media outlets have released teardown videos of the model. In October, U.S. EV maker Rivian conducted a systematic teardown of the SU7.

Rivian CEO RJ Scaringe described the vehicle as “a very well-executed, highly vertically integrated technology platform,” adding that if he lived in China, the SU7 would be on his shopping list.

A portrait of a smiling man with glasses standing next to a bright yellow electric vehicle labeled 'SU7 Ultra'.
Rivian CEO RJ Scaringe

He also noted, however, that the teardown itself did not bring major surprises, stating that “there’s nothing we learned from the teardown.”

Scaringe attributed the SU7’s cost advantages more to favorable macro conditions than to any single breakthrough technology.

Earlier, Ford CEO Jim Farley publicly praised the Xiaomi SU7 after test-driving one that had been air-freighted to the United States, saying he “didn’t want to drive anything else” afterward.

On Nov. 5, Chinese automotive media outlet Yiche released a teardown video of the YU7, which Lei later reposted and recommended, saying it allowed viewers to “fully understand Xiaomi’s philosophy of building cars.”

A man in a blue shirt stands next to a green electric vehicle, the Xiaomi YU7, in a studio setting.
Leijun recommended a teardown video of the YU7

The teardown showed that the YU7’s front crash beam coverage reaches 74.4%, using a rare cast-aluminum triangular beam structure, along with an embedded roll cage rated at 2,200 MPa in strength.

Four anti-collision cross beams are arranged at the bottom of the battery pack, two of which use 1,500 MPa high-strength materials.

Together with large rear floor castings, they help disperse impact energy, giving the body a torsional rigidity of 47,610 N·m/deg.

Close-up view of the front crash structure of the Xiaomi YU7, showcasing a cast-aluminum triangular beam and highlighted durability features with technical specifications in Chinese text.
Dismantled Xiaomi YU7 in the teardown video

Toward the end of the teardown, media reviewers also noted the unusually large cabin air filter used in the YU7, a feature rarely seen in the industry. Xiaomi thus joins Tesla as one of the few brands to invest heavily in this detail.

The teardown team’s conclusion was straightforward: the design and materials were generous and well-considered.

Notably, this is not Lei Jun’s first New Year livestream. On Dec. 31 last year, he hosted a 4.5-hour livestream from Xiaomi’s auto factory, reviewing the business and outlining future plans.

This year’s choice to “tear down a car live” clearly places greater emphasis on engineering and product substance.


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