Like it was mentioned, the pass thru is tight. The good news is that there is quite a bit of storage under the bed.
On my 2018 version, on the driver's side, there is a compartment that is larger than the rest. There are 2 separate compartment doors, but there is no internal barrier. It's the only compartment that my portable grill will fit into.
Best of luck to you.
Bryce, Gracia & Shadow (4 yr old mini-Daschund mix)
US Army vet- 82nd Airborne Div