Pretty interesting they say this, but it is known that they have been driving around with Teslas in the past:
https://www.forbes.com/sites/jaclyntrop/2018/03/22/porsche-says-new-high-performance-mission-e-electric-car-is-not-a-tesla-model-s-hunter/#2809f1ae6c69
https://www.forbes.com/sites/jaclyntrop/2018/03/22/porsche-says-new-high-performance-mission-e-electric-car-is-not-a-tesla-model-s-hunter/#2809f1ae6c69