Here’s what happens if you put regular gas in a car that needs premium


It's got to be tempting right, filling up a car that calls for premium gas with regular? According to AAA, there's almost a 60-cent per gallon difference between regular ($2.228) and premium ($2.812) gas.

But the folks at The Drive say that could be a bad idea, especially in older cars. That's because in older high-compression engines without a knock sensor, low-octane fuel can cause pre-ignition detonation which damages the engine.

The video may be hilariously exaggerated, but it gets the point across, right?

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