[tuatoru]

A Honda Fit weighs over 1000 kg. It's in a much larger size class than the vehicles in OP.

Yes, a Fit is fine with two polite and compliant children. Try three and a dog, and behavioral issues.

[MagnumOpus]

Very few households have six family members. Far less than 1%, maybe even less than 0.1%.

[eggsmediumrare]

Or two kids who have friends