Mini Clubman: the eighth Hummer

By linear extrapolation, I have identified the Mini Clubman as the eighth vehicle in the Hummer line.

Data table (edmunds.com):

Hummer H1, 7154 lb, length 184.5"
Hummer H2, 6400 lb, length 189.8"
Hummer H3, 5850 lb, length 186.7"
Mini Cooper Clubman, 2723 lb, length 155"

Below, the 2006 Hummer H3, H1, and H2:
And the Mini Cooper Clubman, aka the Hummer H8:
I'm tempted to assign all box-shaped vehicles a Hummer Index value.

For reference, here is the original military-issue Humvee: