The Xiaomi SU7 Lost 600 HP In A Software Update. Then Owners Revolted
Briefly

Xiaomi's SU7 Ultra, boasting 1,548 horsepower, recently experienced user outrage after a software update cut power output to 900 horsepower for regular driving. This drastic reduction was prompted by the automaker's concerns over road conditions, requiring drivers to complete a racetrack assessment to regain full performance. The decision faced significant backlash, prompting Xiaomi to reverse the changes. Though 900 horsepower remains potent, it fails to deliver the hypercar-like acceleration consumers expected when paying around $73,000 for the vehicle.
Apparently Xiaomi didn't get that memo, because it did that to customers who bought its 1,548-horsepower SU7 Ultra. It's an absurdly powerful version of the automaker's extremely successful SU7 sedan, essentially the Chinese answer to the Tesla Model S Plaid and Porsche Taycan Turbo GT.
Xiaomi determined that all of that power was unsuitable for road conditions and pushed the OTA update to slash horsepower in normal driving modes.
Drivers could only unlock the full output after taking a 'qualifying mode lap time assessment' at an approved racetrack.
The full 1,548 horsepower output is designed for circuit use with appropriate [tires] and preparation.
Read at InsideEVs
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