Loading

What gas is good for Chevy Malibu?

The simple answer: regular unleaded gasoline (87 octane) is suitable for most Chevy Malibu engines; some turbocharged variants may benefit from higher-octane fuel. Always confirm with the owner's manual or the fuel-filler door sticker for your specific year and trim.


The Malibu lineup evolved over its production life, with turbocharged engines becoming common in later years. Fuel recommendations can vary by engine and model year, so readers should consult the exact guidance for their vehicle. Note that Chevrolet discontinued the Malibu after the 2023 model year; the advice here covers typical guidance up to that point and applies to used vehicles from those years.


Octane and Engine Guidance


Understanding how the octane rating applies to Malibu engines helps you choose the right fuel.



  • Most Malibu models are designed to run on regular unleaded gasoline with an octane rating of 87 AKI or higher.

  • Turbocharged engines may require or perform best with higher-octane premium gasoline (often in the 91–93 octane range). Always check the exact requirement in your owner's manual or on the fuel door sticker.

  • Using higher-octane fuel than what is recommended generally does not improve fuel economy or performance for engines that are designed for 87 octane.


Bottom line: verify the octane specification for your specific year and engine to avoid unnecessary costs or engine knocks.


Ethanol Content and Fuel Quality


Fuel composition matters as much as octane for long-term reliability and performance.



  • Most Malibu models are designed to run on regular gasoline containing up to 10% ethanol (E10) in the United States.

  • GM generally approves E10 for these vehicles; avoid non-approved blends such as high-ethanol E15 or E85 unless your manual explicitly allows them for your model/year.

  • Choose fuel from reputable stations to minimize contaminants, and consider using fuel stabilizer if you store the car for extended periods.


For ethanol considerations, stay with the fuel type specified by GM for your year and engine, and avoid blends not listed as approved.


Practical Fueling Tips


Tips to ensure you select the right fuel and keep the Malibu running smoothly.



  1. Check the exact octane rating and ethanol compatibility for your vehicle in the owner's manual or on the fuel-filler door sticker.

  2. Use fresh gasoline from a reputable retailer and avoid old or contaminated fuel to protect the fuel system and combustion efficiency.

  3. If you notice knocking or pinging under load, consider temporarily using higher-octane fuel and consult a dealer if the issue persists.


Adhering to these practices helps preserve performance, efficiency, and engine longevity across Malibu models.


Summary


For most Chevy Malibu models, regular 87-octane gasoline is sufficient, with turbocharged variants potentially benefiting from higher-octane premium fuel. Always verify the exact requirement for your year and engine in the owner's manual or on the fuel door sticker. Be mindful of ethanol content (E10 is common) and use approved fuel blends as specified by GM. With proper fueling and regular maintenance, the Malibu can deliver dependable performance across its production run.

What happens if I use 87 instead of 93?


If your car requires 93 octane and you use 87, you may experience engine knocking, reduced performance, and lower fuel economy, as the engine may have to adjust to prevent damage. However, modern cars with knock sensors can often adapt by retarding the ignition timing, so you will likely be fine in the short term. In the long term, continued use of lower octane fuel in a premium-required engine could lead to engine damage and potentially void your warranty. 
Potential consequences

  • Engine knock: The fuel may ignite prematurely, causing a pinging or rattling sound. 
  • Reduced performance: You might notice slower acceleration or a less spirited feel from the engine. 
  • Lower fuel economy: The engine may not run as efficiently, leading to decreased miles per gallon. 
  • Potential for long-term damage: If the engine constantly has to adjust for lower octane, it can lead to internal component damage over time. 
  • Voided warranty: Using the wrong fuel can void your vehicle's warranty. 

What to do
  • Check your owner's manual: If your car's manual says "premium fuel recommended" versus "premium fuel required," you may have more flexibility. If it says "required," it's best to stick with 93 octane to avoid damage. 
  • Drive carefully: Avoid hard acceleration or heavy loads until you can refill with the correct octane fuel. 
  • Refill with the correct fuel next time: To get back to the recommended octane, fill up with 93 octane on your next visit to the gas station. 



Should I put 87 or 89 in my car?


No, 89 octane gas is not inherently better than 87, but it can be necessary for certain vehicles. For most cars, using 89 octane instead of 87 will not provide benefits like increased power or efficiency and is simply a more expensive choice. However, some engines are designed to require a higher octane level (like 89 or 91) to prevent knocking and damage, especially if they have a turbocharger or higher compression ratio. You should always use the octane level recommended in your vehicle's owner's manual. 
When 89 octane may be needed

  • Your car's manufacturer recommends it in the owner's manual.
  • Your engine has a turbocharger or supercharger.
  • Your engine has a high compression ratio.
  • You hear your engine "knocking" or "pinging" when using 87 octane gas. 

When 89 octane is not necessary 
  • Your car is designed for 87 octane fuel and doesn't have a high-performance engine.
  • Using 89 octane won't make your car faster or more efficient than the recommended 87.
  • You will simply be paying more for no added benefit. 



What is the best gas for Chevy?


Using premium gas in your Chevrolet, especially for luxury, sports, or performance models, offers several key advantages: Improved engine performance**:** Premium gas's higher octane levels reduce engine knocking, ensuring smooth combustion in high-compression engines.



What kind of gas does a Chevy Malibu take?


Most Chevy Malibus use regular unleaded gasoline with an octane rating of 87. However, some turbocharged or higher-performance models may recommend or require premium gas (91 or 93 octane) for optimal performance. Always check your owner's manual for the specific fuel recommendation for your model year and engine. 
How to determine the right gas type

  • Check your owner's manual: This is the most reliable source for your specific vehicle. It will state the recommended or required octane rating. 
  • Look for a sticker: Some cars have a sticker on the inside of the fuel filler door that specifies the required fuel type. 
  • Understand octane ratings:
    • Regular (87 octane): Suitable for most standard engines. Using this in a car that needs premium will not necessarily cause damage, but it may reduce performance and efficiency. 
    • Premium (91 or 93 octane): Necessary for high-compression or turbocharged engines to prevent knocking and allow the engine to perform optimally. Using premium in a car that only needs regular is a waste of money, as the engine will not benefit. 


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.