Practical cargo volume

Hello In the comparison test two measured values are usually given for the cargo space: Minimun: i.e. to lower edge seat, i.e. cover roller maximum: i.e. with folded rear seats up to under the roof. For me, however, a specification is missing, which is certainly more practical also for other families: rear seats in normal position, disconnect hooked, loaded to under the roof. Here the V70 would have to have advantages over Passat, BMW etc., because the tailgate is quite steep. What is your opinion, Who knows this mass? Greetings Elmar