Agreed that “newer” models will always undergo revision, either upper body, under body, chassis, power train, etc.

Porsche obviously, the trademark exterior styling hardly changes, but the under body might go drastic changes to make it “lighter”. Which usually means reduction of “brackets” judged unneccessary. Or reduction of thickness of the steel itself, maybe using higher grade steel but reducing thickness by 0.7mm which is usual case.
Then you revise the engine layout, increase the bore by a couple of mm in diameter, reduce the lenght of the piston by 5mm, reduce height of engine top by 50mm… and THEY ALL lead to a lower G force, higher and more efficient power surge etc….

But these changes you can ONLY get away with exotic cars… as they are not mass produced, assembly isnt “setup” that it is hard to re-configure… exotic cars are almost entirely manufactured with “moving” stations as opposed to fixed stations that mass produced vehicles go through….

SO YES, technically it “undergoes” changes, drastic changes but exterior wise its the same. Butto the customer, the only thing they really see is “increase power” reduced weight”, improved dymanics etc… but the point is…. if you purchased a Porsche to last you a lifetime because you are passionate about them… I dont think it warrants a new purchase… just keep your current and enjoy… but if you are fortunate enough to afford an extra 200-250K… or maybe 80K-90K if you trade in your “older” one then… more power to you.

Apparently the chassis is set up for “more fun” with torque vectoring 4WD.

…and it’s cheap compared to a Ferrari or Lambo ;0)

Is the porsche shape really patented or is that just a figure of speech? If it were, I would have thought that it had expired by now, given that the 911 came out in 1963.