The Falcon is well put together
I have looked carefully at both cars. The Falcon definitely wins the day. In fact it is no contest. Its kind of hard to pin down but you get a sense of well being sitting in the Falcon that you get in Audis and 5 series BMWs. The materials feel great, the panel gaps are miniscule, the buttons and knobs feel classy.
The Commodore, IMO, just seems like the previous Corolla inside. Cheap and nasty plastics, large and crooked panel gaps, poor proportions. Cheap feel of the buttons.
The very poorest thing on the Commodore is the feel and sound of the doors. Firstly they feel cheap and nasty to open from the outside. The handles are non linear and feel rough. The last time Ford had such handles was for the XF Falcon in 1986.
Then when you slam the doors shut they reverberate much like an emtpy petrol can.
The Ford on the other hand feels like a million dollars in comparison.