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What gas does Acura Legend take?

The Acura Legend is designed to run on regular unleaded gasoline. In most cases, 87 octane is sufficient, and premium fuel is not required. Ethanol blends up to 10% (E10) are commonly compatible, but always verify with your specific year and engine in the owner's manual or on the fuel-cap label.


Fuel Type and Octane Guidelines


Here are the general fuel guidelines for the Acura Legend, with notes to help you choose the right fuel for your particular model and driving needs.



  • Regular unleaded gasoline with an octane rating of 87 (AKI) is suitable for most Legend engines. No mandatory premium fuel is required for standard operation.

  • Premium gasoline (typically 91–93 octane) is optional and may be used if you notice engine knocking, pinging, or if your manual specifically recommends higher octane for your trim or year.

  • Gasoline blends containing up to 10% ethanol (E10) are generally compatible with Legend engines. If you experience any fuel-system issues or performance changes, consider checking ethanol content or consulting the manual.

  • Avoid unleadeds or fuels not formulated for unleaded engines; modern Legends are designed for unleaded gasoline only.


Bottom line: for typical driving, regular 87 octane unleaded gas is appropriate. Use higher octane fuel only if your vehicle’s manual or a knocking/pinging issue suggests it, and always confirm the fuel requirements for your specific year and engine.


Year/Engine Considerations


Fuel recommendations can vary slightly by market and by engine variant. If you own a Legend from a particular year or region, consult the owner’s manual or the fuel filler-cap label to confirm octane requirements and ethanol compatibility for your exact configuration.


Practical Tips for fueling


To ensure proper fueling and performance, keep these tips in mind:



  1. Start with regular 87 octane as the baseline for most Legend models.

  2. Switch to higher octane only if you experience knocking/pinging or if your manual specifies it for your engine.

  3. Use ethanol-blend fuel within the recommended range (up to E10 unless otherwise specified).

  4. Check the fuel-cap label and the owner’s manual for any model-specific notes.


By following the manufacturer’s guidance and confirming with your specific year/engine, you’ll ensure optimal performance and fuel efficiency for your Acura Legend.


Summary


The Acura Legend typically takes regular unleaded gasoline—87 octane is usually sufficient, with premium as an optional choice if you notice performance concerns or if your manual recommends it. Ethanol blends up to 10% are generally accepted. Always verify with the exact year and engine specifications in your owner’s manual or on the fuel-cap label to ensure you’re using the correct fuel.

Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.