Hi, yes I probably should sell the Porsche but having owned her for 9 years it would be hard to sell; so undecided for now.
As to how the three cars compare, well here goes -
435d (2015) (in line 6) 3.0L twin turbo 309bhp (630Nm torque) Xdrive 8speed ZF auto.
987 (2005) Gen 1 (flat 6) 2.7L (NA)...