What If Premium Fuel Is Required for My Car?
Understanding the implications of using premium fuel in vehicles that require it.
Understanding Premium Fuel Requirements
Some vehicles are designed to run on premium fuel, which typically has a higher octane rating compared to regular fuel. This is often the case for high-performance engines that require higher compression ratios to operate efficiently. Using the recommended fuel type is crucial for maintaining engine performance and longevity.
Consequences of Not Using Premium Fuel
If your vehicle requires premium fuel and you use a lower octane fuel, it may lead to engine knocking or pinging, which can cause damage over time. Additionally, the vehicle's performance may suffer, resulting in decreased fuel efficiency and power.
What To Do If Premium Fuel Is Required
Always refer to your vehicle's owner's manual for specific fuel requirements. If premium fuel is required, it is advisable to use it to ensure optimal performance and to avoid potential engine issues. If you find yourself in a situation where premium fuel is not available, consult your owner's manual for guidance on what to do next.
Answered from our EPA fuel data and general, well-established fuel facts in response to real driver questions. Anything car-specific — especially whether premium is required vs recommended — is in your owner's manual, so we point you there instead of guessing.
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EPA/DOE FuelEconomy.gov data retrieved 2026-10-25.