Bjorn Nyland put the EQS SUV 580 through his banana box test. He was able to fit 13 boxes with the rear seats up and 26 boxes with the rear seats folded.
The 26 boxes with the seats folded is the same as a Model Y and a bit less than a Model X.
The 26 boxes with the seats folded is the same as a Model Y and a bit less than a Model X.