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Fate of prototypes

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It is expected that there will be some changes between now and production version reveal. In fact, Elon has said that there may be a change to allow a larger trunk lid for easier access.

So what will become of the half dozen or more prototypes shown at the reveal event?
 
If you see the recent pictures of the design studio, there are still some old prototypes of the Model S around. However, those are the more unique ones (with different design ideas). I imagine the ones that are just clones of each other will probably be crushed and only one copy will be kept.
 
After being used for testing and engineering development for a year or so, most prototypes have earned their crushing -- they are pretty ill-used during development. Vehicles built prior to certification, and with subtly different designs and materials than the eventual certified vehicle, can't readily be sold for road use, and represent liability problems for any company that chose to do so. There are often tax benefits from destroying them when they're not needed -- prototypes may represent a 6 or 7 figure investment, and crushing them clearly ends their lives and justifies a complete write-off. So most prototypes get crushed; a few go to museums or reference collections.
 
So what will become of the half dozen or more prototypes shown at the reveal event?
car-crusher.jpg
 
After being used for testing and engineering development for a year or so, most prototypes have earned their crushing -- they are pretty ill-used during development. Vehicles built prior to certification, and with subtly different designs and materials than the eventual certified vehicle, can't readily be sold for road use, and represent liability problems for any company that chose to do so. There are often tax benefits from destroying them when they're not needed -- prototypes may represent a 6 or 7 figure investment, and crushing them clearly ends their lives and justifies a complete write-off. So most prototypes get crushed; a few go to museums or reference collections.

I hadn't thought about the lack of regulatory approval making them unsaleable. Beyond that, there would be the problem of repair parts for areas of the vehicle that end up being materially altered in production versions.

Sale to collectors would seem to be a good move. Jay Leno or others might lay out quite a bit for a one-of-6 vehicle.
 
I recently took a Fremont factory tour. Two or three of the Model S prototypes are part of the tour. You can walk around them and notice the differences compared to the production model. They also have the aero buck of the Roadster. Cool stuff, great tour.