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What kind of gas does a Toyota Avalon take?

The Toyota Avalon, a popular full-size sedan, is designed to run on regular unleaded gasoline with an octane rating of 87. This is the recommended fuel type for the Avalon, as specified by the manufacturer.


Fuel Requirements for the Toyota Avalon


According to the information provided by Toyota, the Avalon has a fuel tank capacity of 16.1 gallons and is designed to operate on regular unleaded gasoline with an octane rating of 87. This is the minimum octane rating recommended by the manufacturer for optimal performance and fuel efficiency.


While the Avalon can technically run on higher octane fuels, such as premium (91-93 octane), it is not necessary and will not provide any significant benefits in terms of power or fuel economy. The engine is designed to work efficiently with regular unleaded gasoline, and using a higher octane fuel will not result in noticeable improvements.


Reasons for the Avalon's Fuel Recommendation


The Toyota Avalon's engine is engineered to operate on regular unleaded gasoline for a few key reasons:



  • Cost-Effectiveness: Regular unleaded gasoline is generally the most affordable fuel option, making it a practical choice for Avalon owners.

  • Fuel Efficiency: The Avalon's engine is designed to achieve optimal fuel efficiency when using regular unleaded gasoline, without the need for more expensive premium fuel.

  • Performance: The Avalon's engine is not designed to take advantage of the higher octane ratings found in premium fuels, so there is no significant performance benefit to using them.

  • Emissions: The Avalon's engine and emissions control systems are calibrated to work effectively with regular unleaded gasoline, ensuring compliance with environmental regulations.


By recommending regular unleaded gasoline, Toyota ensures that Avalon owners can enjoy a cost-effective and efficient driving experience without sacrificing performance or environmental considerations.

What kind of gas does a 2006 Toyota Avalon use?


Toyota recommends 87-octane unleaded gasoline for the V6, which earns respectable fuel-economy numbers from the Environmental Protection Agency: 22 mpg city and 31 mpg highway.



What happens if you accidentally put 87 instead of 89?


It shouldn't cause your vehicle any harm. The ECM (Engine Control Module) will compensate for the lower octane fuel. You might notice a drop in engine performance and possibly lower fuel economy; but nothing detrimental.



Should I use 87 or 89 gas?


The primary consideration is whether your car requires premium gasoline. If it does, you should use 87-octane only in an emergency. Otherwise, you risk hurting your engine. If your vehicle doesn't require premium gasoline, 89-octane will work just fine.



What kind of gas does a 2015 Toyota Avalon take?


There is NO benefit from going with 91-93 octane over 87. These cars are designed to run on 87.



Is a Toyota Avalon good on gas?


2021 Toyota Avalon MPG
The XLE trim with the 4-cylinder engine has a city MPG of 25, a highway MPG of 34, and a combined MPG of 28. The 3.5-liter V6 version of the XLE has a very similar city MPG of 22, 32 MPG highway, 26 MPG combined.



What gas should I use for Toyota Avalon?


All Avalons will run ok on regular, 87 octane, gas. They run better on 89 octane midgrade. For the full power built in to the engine, premium grade, at 91 octane or higher, is necessary. This has been discussed many times in various Avalon boards and there seems to be general agreement on the answer.



What cars take 87 gas?


If you're interested in luxury cars that take regular gas, check out these automotive makes at Rusnak Auto Group:

  • Acura.
  • Audi.
  • Bentley.
  • BMW.
  • Infiniti.
  • Jaguar.
  • Land Rover.
  • Mercedes-Benz.



Can I use 87 gas in my Toyota?


Edit: Generally people seem to think the reason Toyota recommended premium in some versions was to improve the advertised power and fuel efficiency numbers. There may be slight differences in the way the motors are tuned, but it's confirmed to be completely fine running 87, even if the fuel cap and manual recommend 91.



What if I accidentally put 87 instead of 91?


If you put lower-octane fuel into your high-octane vehicle, whether by mistake or to save money on gas, you'll probably notice the effects right away: things like poor fuel economy, reduced acceleration, and spark knock, which sounds like a high-pitched pinging or rattling noise.



Can I use 89 instead of 87?


If you opt for a higher octane than your manual recommends—say, 89 instead of 87—your car will be perfectly fine. It will not, however, improve your car's mileage or give it any sort of extra performance boost. The only thing it will do is cost you extra money, so don't do this.


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.