The doors are not what I would have done, but they do did design them to fit in typical situations. And they have sensors in them to stop before they hit anything.
If you find a more efficient, better performing SUV, buy it. Or, at least tell us about it.
The Model X will possibly be the first vehicle to be sold with video mirrors, and it is supposed to have a lower Cd than the Model S, which is 0.24. It will have two motors, one per axle, and all wheels driven.
Here's a video of Elon Musk talking to folks in Norway, about lots of things, including the Model X and the Model E:
Elon Musk Talks Tesla Model X Details, Model S Upgrades, At Europe Q+A Sessions