What is the maximum cargo capacity of an Audi A6?

I am looking to purchase an Audi A6 and need to know the maximum cargo capacity for my hauling needs. Can anyone help?

The 2020 Audi A6 has a maximum cargo capacity of 13.7 cubic feet.

If you need more cargo space, consider the 2021 Audi A6 Allroad, which has 30 cubic feet of cargo capacity with the rear seats up.

I've found the best way to maximize cargo space in an Audi A6 is to use a roof rack for larger items.