[enragedcacti]

The Pros are volume and weight and the con is probably primarily price. Lower weight and volume means you have a lot more options on where they go and where you can put batteries that you couldn't before. In the article they mentioned the Koenegsegg Regera which is a perfect example of where this motor works well. A two-seater with an 1100HP V8 and 9kWh of battery that also needs world class handling makes weight and volume massively important and the MSRP of $4 million makes cost practically irrelevant.

The Gemera is a bit different but is using the same motor tech and you can see how it allows them to pack things very tightly: https://www.youtube.com/watch?v=WwlNqaz9q_0

For Tesla they already have a huge car with a battery design that works and a large area for the motors so re-engineering the S to make use of the space you save was probably not a good idea, especially when they are already building the roadster. I also wouldn't be surprised if its a bit of a Not-Invented-Here problem considering how much they value vertical integration.

[karamanolev]

I don't think they're building the roadster in any capacity - at least haven't seen any evidence of that. What makes you think so?

[enragedcacti]

I should have said "designing" which there also isn't much evidence of but it seems fair to give them the benefit of the doubt that its at least real enough to drive category decisions for their other models.