I'm just thinking out loud here, but what if someone stuck some portal hubs on it? then you'd have a place to re-gear for bigger tires. And it would have the same setup as a Humvee, which would be neat. I don't know how bigger tires affect electric motors like they do gas.
Here's how I look at it: The first year EV-H's are going to be the $115k variety. Even the second year GM said they would produce the $90k variety (on up $). You're not going to see any $40k Hummers running around for a long time. It's highly unlikely many of those new owners, besides SEMA and Magazine cover projects, ...are going to off-road their EV-H's very much. I hate to deflate people who are looking to go buy one for $28k next fall. Think of the H-EV as the full-sized Tesla model S for rich rednecks. That's how they're going to recoup their costs. Experts claimed early on the Volt would fail b/c new technologies in the automotive world almost always start at the top and trickle down. Even now you don't see too many Model S' selling cheap on the corner used car lot.
So, to me, the type of owners of the new H-ev ...sure maybe they'll take one trip to Moab or the local off-road trails 'just to see' how it performs. Otherwise, they'll be grocery getters and kid drop-off machines. I don't see the price dropping much into the 'affordable' range for a long, long time. Even as it is now, on the trails I've been on, I see a lot more side-by-sides on trails than ever before, and hardly any full-sized trucks. Perhaps more side-by-sides these days in Moab and CO than SUVs, Jeeps, etc.
During the early H-ev production, the Bronco is going to eat the EV-H's lunch in terms of sales, b/c the Bronco is so customizable and cheaper ...and just looks 'neater' IMO. By the time GM gets to the point where they are selling H-EVs for a lot less $$ to the 'masses', I suspect they'll have to adapt some of the characteristics that make the Bronco and Jeep Rubicon fun to buy ...which is customization. I foresee GM will have to offer up a slew of ideas to make the lower priced H-ev's 'fresh' compete with those other two brands.
One 'ODD' characterstic of the H-ev is it's lower 1/3 where the battery sits so low. The profile of the bottom 1/3 to me looks like they didn't finish it off very well. It looks 'body-lifted' w/o even being lifted. The cheaper way to go for owners down the road will probably be cutting the fenders for bigger tires, or (hopefully) someone will offer high-profile fenders or another kind of lift. Or a way to keep it's air suspension in the 'lifted mode' at higher speeds. I suspect this thing will be so 'electrified' and sensor'd up it's going to be difficult to install portal axles on it, but we'll see. GM hasn't so far been great at offering software mods like FCA has. What Ford did 'right' on the Bronco is pro-actively offer-up a slew of mods ahead of time so guys can do 'whatever ' of their rigs. Be interesting to see how things play out with the H-ev.