QUIZ: How Much Do You Know About NASCAR?

NASCAR engines require high-performance fuel to achieve their incredible speeds. What is the octane rating of the gasoline used in NASCAR cars?

Retry Correct Incorrect To meet the racing performance demands, NASCAR cars use 98-octane gasoline that yields more power by achieving higher compression. Despite different fuel sponsors for individual teams, all NASCAR vehicles use the same fuel to ensure competitive parity.

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Warren Wimmer/WireImage via Getty Images

Warren Wimmer/WireImage via Getty Images

NASCAR engines require high-performance fuel to achieve their incredible speeds. What is the octane rating of the gasoline used in NASCAR cars?

• 95 octane
• 91 octane
• 96 octane
• 98 octane