e39touring boot size

[DKL]

I was considering one of these as a family wagon to take us all with stuff to parents etc. I was under the impression that the boot was huge but all the reviews I find only state 410 litres. This is frankly rubbish - our impreza is listed at 365 and my folks golf at 605. How can a 5 series have smaller boot than a golf, they are completely different classes of car.
So are the figures correct and its just not that big?

[DKL]

Thanks Mark. We are a one passenger family and whilst it will all go in the scooby its a bit tight and the scooby does need replacing really. The e39 would just be a stop gap until a golf r estate drops into our price bracket in 18 months or so.

[DKL]

Thanks, that's useful. It does look markedly larger than our current one!