Without traditional gauges mounted in the driver’s field of view, the Model 3’s interior was clearly designed without a driver in mind. Even the steering wheel, which is more of an oblong discus than a round wheel, seems more like a utilitarian tool than an instrument of pleasure. I didn’t have a chance to see what the screen can really do besides provide readouts for speed and navigation, but it's a Tesla, after all: clever things on widescreen display are a given.
The front seats are wide, and the back seat was wide enough for two people, and a third, thinner person would have good knee room but not a lot of hip room. One last point on the interior: the materials that you don't constantly touch, like the door panels, the window switches, and the center console, didn't feel high quality. This was a prototype, though, so I'll cut it some slack there.