On just the comparison note; my Peugoet 504 diesel carried 40 gallons of fuel.
15 in the main tank, and another 25 in an additional tank right behind the rear seat.
And yes I still had plenty of room in the trunk.

One year the wife and kids, luggage and all took a trip and clocked a little over
1300 miles before I had to fill up again.

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"What you hear in a great jazz band is the sound of democracy. “The jazz band works best when participation is shaped by intelligent communication.”
Harmony happens whenever different parts get to form a whole by means of congruity, concord, symetry, consistency, conformity, correspondence, agreement, accord, unity, consonance…….