[sea2summit]

According to Wikipedia the Model S only shares 30% of it's parts with the Model X.

https://en.wikipedia.org/wiki/Tesla_Model_X#Specifications

[OrwellianChild]

...and its platform.

The Model X shares a platform and motor with the Model S, which is made at the same factory. [1]

[1] http://www.bostonherald.com/news/national/2015/09/teslas_fir...

[sea2summit]

30% shared parts doesn't sound like a shared platform.