Is it
a tape decklegroom?
The bigger I am, the less I will hold. No one else would be so bold.
Bigger 8 tracks hold less than smaller cassettesYou sacrifice trunk space for legroom.
I get comfy in the car, as we travel real far.
Tapes recede into the tape deckCertainly makes things more comfortable.
I used to get used a whole lot. Now, nobody gives a squat.
Nobody uses them any moreCars are getting smaller, also "squat" is somewhat of an allusion.
It's clear when I fail, you'll hear folks wail.
HearingYeah, especially when you slam your knees into the back of a tape get eaten is an earfulset.
I was popular in the eighties. I sure miss my Mercedes.
Tapes were popular in theI guess 80's. Mercedes had a lot of legroom?
Old, incorrectI guess: there is a dual possibility in
legroom/trunkthe trunk.