I’m not surprised that the t8 only has a wading depth of up to the floor level as the battery pack I presume is located under the floor pan.
The I last time I looked water and electricity doesn’t mix very well
I guess some owners would take them off road to forge the odd river or stream
To lighten the mood see attached video from a few years ago near to where I stay
It’s a BMW X3 if I remember
And that is the main road he is driving on
https://www.mirror.co.uk/news/uk-new...driver-7112469