What is the length of interior storage room: wish to lug a 70" telescope with a 16" diameter

[tmoz]

My Olds minivan used to do the trick quite nicely. I could then sleep in the minivan.
What are the chances that a model X would be able to pull this off?
Do I need to wait for the Cybertruck?
Thx in advance.

 

[Genie]

A 78” twin XL mattress fits in the 5 seater

 

[tmoz]

A 78” twin XL mattress fits in the 5 seater

Sounds perfect. Does the mattress lay flat enough for sleep comfort?

 

[Genie]

Sounds perfect. Does the mattress lay flat enough for sleep comfort?

It’s flat and the 6” memory foam trifold type fit perfect and are comfortable. They have 4” also, I haven’t tried one of those. Amazon.