Not cheap, nor plastic, but it sounds like the Bollinger B1 is calling your name:
https://www.theverge.com/transportation/2017/7/27/16052118/b...
https://www.theverge.com/transportation/2017/7/27/16052118/b...
"THE B1 IS SO ANTI-TECH IT HAS AN ANALOG BATTERY LEVEL INDICATOR ON THE DASH"
LOL.