[CRConrad]

How does either of those lead to less cargo volume for the same or larger length?

[AstralJaeger]

Lots of dead volume that isn't usable... unless you wanna smuggle drugs with these vehicles.

[CRConrad]

"No pedestrian impact design requirements" --> no need to design in crumple zones --> less dead volume that isn't usable.

"People like grills" --> Flat two-dimensional decoration on the front surface --> How would that affect dead volume in the interior?

Your arguments aren't making sense to me.