Carnival vs Granvia?

What's everyone thing
- We are a family of 4 + elderly grandparents are always with us so 6 - and maybe a few more on the way.

I am a Toyota man but my main concern is the size of the Granvia and whether my wife will struggle in parking lots at the shops etc.

Naturally would need a 360 model camera version but still, I don't know if she will hate it at Coles.