It's not designed for heavy-duty off road use, but 68 hp and 100 lb/ft of torque split between two wheels isn't useless, it can be very effective.

The 400h weighs 4365 lbs., and the rear wheels alone get 68 hp. To put that in perspective, look at some "real" off roaders from ten years ago, their weights, and the engines total output:

Land Cruiser weighed 4480 lbs., 155 hp.
Jeep Cherokee weighed 4499 lbs., 144 hp.
Ford Bronco weighed 4430 lbs., 145 hp.

It's more than just the numbers. We all know that the 400h or HiHy isn't going to get you through a mud bog or win you a rock climing championship. But to say that it's not even 4wd is ridiculous.