That's true and I'm in the same age bracket.
Having owned both a 2017 Ram 1500, quad cab, 4x4 w/ pentastar and then a 2019 Ram 1500 classic crew cab, 4x4 with hemi, both with 3.21 gears, my average tank to tank fuel economy was very close.
The majority of my usage with both trucks was my 80...