The similarity is the inevitable result of the fastback design
and the strong shoulder sculpting. There are enough differences to
set them apart.
What makes it IP infringement is if it's blatantly grafted on
with no consideration of the rest of the design, with the sole
intention of making money from the similarity to the established
model, as seen in Pitot's thread.
true... u can argue that based on aerodynamics constraints...
so they adopt a relatively common design which even this is
using:

likened to a squatting dog by JC and co.
on the whole... to come up with something so uninspiring as
this.... i think porsche is juz resting on its laurels... as with
all its other cars... their design ideas has staganated for as long
as i can remember...
do remember that at the end of the day, it is primarily going up
against this:

and mercedes came up with this a few years back...