I can understand why you prefer a sedan
Not sure I said that anywhere? I'm ambivalent about Hatchback or Sedan, we've still got Hatchback ICE and I don't have much opinion of how the cabin, or cargo space, is better in one than the other. We drive distance and short trips in either (although we prefer / favour the S for both)
The question is, how often do you fill up both the trunk and frunk?
That wasn't my point, sorry if you inferred that. The trunk on my S is always empty when I arrive at, say, the supermarket, because all the "occasional use" junk is in the Frunk. On the hatchback everything is in the Trunk. Several of the bits and pieces (e.g. a can of spare engine oil) have some sort of velcro that sticks to the "carpet", and there is also a cargo net, so they do all stay put, but they are invariably in the way of whatever I want to put in there (well ... not if I only have one bag of shopping of course, but certainly on the not-infrequent occasions when I have several bags and other shaped objects) so I wind up "tearing" the velcro bags off the carpet and rearranging everything elsewhere in the trunk for that trip, just to get all the cargo in. I don't have that issue with the S.
Its a trivially minor thing of course, but it is one of those things where, having now owned a car with a Frunk where all that occasional-use stuff is stored, I find I prefer having a Frunk. I never open / use the Frunk - unless I need one of the occasional use items. No doubt other people have different strategies for using the Frunk, so mine might be a rare use-case .
My speculation is that for most people in the US, an electric will be a second car
We are a multi-car family. Wife and I each have a car, plus we have people carrier (not yet an X but it could be in the future) which we use for both people and large-cargo haulage. I also have a 2-seater sports car (which the kids call "The Hooligan", you'll get the picture
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For us the S is the car used by my wife for her daily commute [I work from home] and for all trips where we travel together; definitely our "primary" car. It also satisfies my "itch" to have a supercar, without actually having to pay & own, say, a Ferrari that is utterly useless for anything else. I have not driven The Hooligan at all since we got the S, and there is every chance it will sell without me putting another mile on it.