RUMOUR: Porsche to join F1 paddock in 2021?

Porsche have been rumoured to be speculating an F1 entry beginning in 2021. 2021 is the season when the new engine regulations come into place which is set to be finalised in May.

Porsche have pulled out of the WEC and are entering Formula E in 2019. But could F1 be added to this list? Former F1 driver Gerhard Berger seems to think so after saying:

Ross Brawn has said in the past how the rule changes could entice the likes of Porsche to enter the sport. It would likely prove positive for F1 to see another well-known Manufacturer to be involved.