The video was pretty set in stone, EREV max towing 5k. That said, Jamie has already responded in a different forum that it is not set in stone.
I was slightly on the fence and went with the BEV and waiting for more information on EREV. Mostly because I thought there would be times, while towing, the EREV would open up better options. At the moment, that does not appear to be the case. So actually, the additional data just supported my original decision more. As it stands, the EREV would cost me more options than add.
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A lot of this all depends on future information. I am curious to the exact "why" the towing capacity is 1/2'ed. If it is just because of the marketing and design decision to be about to drive at a "steady state" at 70mph. It still might be possible to tow more in dedicated max performance mode (which would require charging and refueling on trips). The real question then is what the combined range would be when towing 5k lbs+. Of course that depends on the why. If it is a limitation in the electric power train - then that limitation will exist with or without the harvester running continuously.
From everything I've seen of Scott he seems like a pretty down to earth and straight forward guy for a CEO and that's why he's a good match for Scout and what they are trying to be as a company. Because of that personality of not being like a typical sleazy CEO that only cares about the bottom line I think he's trying to be as upfront and honest as possible with the information he puts out there. If I had to guess I would say when he gives out numbers on performance they are going to be on the low end of the scale just because at this point a lot of it is hypothetical until they start getting some real life testing data. For the BEV version there's a lot of other electric vehicles out there on the road already so it's probably much easier to safely say what it will be capable of. For the EREV it's new territory with nothing currently on the road that's similar except for something like the BMW i3 Rex that couldnt drive over 40mph when running on just the range extender. Sure there have been other "hybrids" out there for years but the gas engine is mechanically connected to the drive train on those. There's the Ramcharger but that's not on the road yet and on paper it can tow as much as it can because it has a regular engine in the engine bay to power the generator. So I think Scott's approach for the numbers he gives is to under promise on performance so that they can hopefully over deliver on the final product. Most CEOs in that same interview would have just said both the BEV and EREV will have the same towing capacity (or possibly even more) and then wouldn't aknowledge when the official numbers come out before launch as being lower than initially stated.