Lol ...Rich people don't 'rent' Mondeos! ...they have far better cars at their disposal by virtue of being 'rich'. And if you are really rich, just use the Gulf Stream.
Take it out of context why don't you?
If the OP is (was) umming and ahhing about borrowing his Mum's Micra then he's not going to be a Middle Eastern Oil Sheikh with a fleet of armoured S-classes at his disposal now is he.