Also, don't forget, regarding that thing about the "roar" of gasoline engines, that some car makers have opted to fake the sound of the engine's noise with audio systems. [0]
[0] https://www.washingtonpost.com/business/economy/americas-bes...
[0] https://www.washingtonpost.com/business/economy/americas-bes...
Wanna make your shitty Honda Civic sound fast? Just put a big bore exhaust on it.
It's just that they've decided to be considerate (and probably cheaper) and use speakers in the car.