> Their engines work fundamentally the same like the same combustion process so what makes slow cars and what makes faster ones?
What makes a high powered torch more powerful than a cigarette lighter? They both burn gas to produce flames, right?
To take a slightly simplistic view, it’s the same thing in a car engine. If an engine is built to be able to suck in more air and gasoline and burn it, then it can output more power. There’s more complicated engineering things that go on to get more performance (power-to-weight, tuning, gearing, mechanical efficiency, etc.), but at the most basic level this explains why you should expect a 6.2L Corvette Stingray to outrun a 1.9L Ford Fiesta.
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