To expand on this, there are a huge number of huge trucks in the US that get used as either single-person cars (often with the bed almost entirely unused) or as

To expand on this, there are a huge number of huge trucks in the US that get used as either single-person cars (often with the bed almost entirely unused) or as awkward replacements for family SUVs or minivans, and a huge number of family SUVs that get used as oversized, fuel-inefficient minivans. Fortunately, we've at least seen the latter reverse itself somewhat with the rise of "crossovers", which are basically just a popularization of the Subaru Outback-style slightly-lifted wagon/hatchback with AWD.