Saw this article yesterday
www.autoevolution.com
Didn't have a lot of time to research deeply but similar depreciation on the Mercedes EQS SUV

Make Room for a New Depreciation King – the BMW iX
The all-electric Bavarian SUV has started hitting the secondary market, and no mercy is shown. Here's what's going on and why it might make you happy

Didn't have a lot of time to research deeply but similar depreciation on the Mercedes EQS SUV