Hard to believe that the 100 gallon boot volumes of a small sedan are insufficient for a weekly fruit&veg shop - let alone the 300 gallon boot of an estate car or the 400 gallon boot that a compact car has if you take the 30 seconds to lay down the rear seats before you load it...
And being a bit older, I do remember being driven into summer holidays with a family with 3 children, luggage and an inflatable rubber boat - in a Fiat 126 (half the length, half the width, and a quarter of the weight of today's giant pick-ups and Escalades...