I had a reel to reel, but not in the car. ;)
Discussion
The very best quality sound at the time IMHO; my college boyfriend had a reel-to-reel, this is where I first heard CCR, and it was phenomenal. I don’t think R-t-Rs would perform well in a non-stationary environment LOL, (like a car).
much better than a turntable in a car... ;)