A collection of icons including a molecular structure, an engine piston, a liquid droplet, and a fuel pump nozzle.

Can you handle the pressure in this premium versus regular fuel octane quiz now?

Difficulty

Medium

Questions

Volts

2/q

Your engine hits the compression stroke and the clock is ticking. Do you know why high-performance blocks demand 91 octane, or are you just burning cash at the pump? Stop guessing at the nozzle. Prove you can distinguish knock from power before your pistons pay the price.

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A gas pump nozzle, an oil drum, and a chemical flask are arranged with a molecular structure.

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