I'm struggling to find these two numbers in the user manual, and also anywhere on the web.
Unfortunately, my car (RX400h) is elsewhere at the moment, so I can't check directly.
On the other hand, I have a rather large box to load, and I'm trying to understand before going to the car if it will fit.
If anyone could take those two measures for me, I would highly appreciate.
Btw, I don't think there's any difference between the 400, 330 or 350, so any 2nd gen RX should be fine.
Thanks in advance!

 

Actual:
Width at floor- 42", middle- 44"
Height at center is 30 1/2"

Hope it'll help.
(measured on a 330)

 

It definitely does, many many thanks!