Vehicle Questions and Answers
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The 2016 Toyota Avalon runs on unleaded gasoline with an octane rating of 87 or higher, but for optimal performance, Toyota suggests using a minimum rating of 89. It's recommended to always choose the highest quality fuel you can afford, as gasoline with a higher octane rating burns cleaner and more efficiently. Some top tier fuels contain detergents that help remove carbon deposits from the engine, which can extend its lifespan and reduce valve issues over time. Never use diesel or E85 in your Avalon as these fuels are not compatible and could result in permanent damage to your engine and fuel system.
For optimal performance from the 2016 Toyota Avalon, it is best to use a minimum of 89 octane unleaded gasoline. Using 87 octane regular unleaded fuel can reduce the engine's horsepower output.