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Does 2013 Lexus RX 450h require premium gas?


As a seasoned auto service provider, I often receive questions about fuel requirements for various vehicles. One common inquiry is whether the 2013 Lexus RX 450h, a popular hybrid SUV, necessitates premium gasoline. In this article, we'll explore the fuel specifications for this model and provide insights into the implications of using different fuel grades.


Fuel Requirements for the 2013 Lexus RX 450h


The 2013 Lexus RX 450h is designed to run efficiently on regular unleaded gasoline with an octane rating of 87. This means that while premium gasoline (typically 91 octane or higher) can be used, it is not required for optimal performance. Here are some key points to consider:



  • Engine Design: The RX 450h's engine is engineered to operate effectively on regular fuel, which helps keep operating costs lower for owners.

  • Performance Impact: Using premium gasoline may not significantly enhance performance or fuel efficiency in this particular model, as it is optimized for regular unleaded.

  • Cost Considerations: Premium gasoline is generally more expensive than regular. Given that the RX 450h does not require it, using regular fuel can lead to savings over time.


When to Consider Premium Gasoline


While the RX 450h does not require premium gas, there are scenarios where using it might be beneficial:



  • Engine Knock: If you experience knocking or pinging sounds from the engine, it may indicate that the engine is not running smoothly on regular fuel. In such cases, switching to premium could help.

  • High-Performance Driving: If you frequently drive in high-performance conditions, such as towing or driving in mountainous areas, premium fuel might provide a slight edge in performance.


Conclusion


In summary, the 2013 Lexus RX 450h is designed to run on regular unleaded gasoline, making it a cost-effective choice for drivers. While premium gasoline can be used in certain situations, it is not necessary for the vehicle's performance or efficiency. Always consult your owner's manual for specific recommendations and consider your driving habits when deciding on fuel type.


Frequently Asked Questions

What is the best year to buy a Lexus 450h?


The 2022 Lexus RX 450h is our top pick for the best model year value for the RX 450h. With the 2022, you would only pay, on average, 71% of the price as new, with 83% of the vehicle's useful life remaining.



How many miles per gallon does the RX450h get?


Based on data from 19 vehicles, 1,505 fuel-ups and 507,105 miles of driving, the 2021 Lexus RX450h gets a combined Avg MPG of 28.47 with a 0.26 MPG margin of error. Below you can see a distribution of the fuel-ups with 42 outliers (2.71%) removed.



How long does a Lexus 450h hybrid battery last?


15 years
Under average driving conditions, you'll need a hybrid car battery replacement roughly once every 150,000 miles or 15 years, whichever comes first.



Can I use regular gas in my Lexus RX 450h?


According to Lexus standards, you need to use unleaded gas with an octane rating of 87 or higher. That means the RX doesn't require premium gasoline, as the premium octane rating is 91.



What are the common faults on a Lexus RX450h?


Suspension problems are also common in the Lexus RX450h, particularly in models that have high mileage. Some owners have reported leaks in the air suspension system, while others have reported that the compressor wears out quickly and needs to be replaced.



What happens if you put regular gas in a Lexus Hybrid?


Use of unleaded gasoline with an octane rating lower than what is listed for your model year vehicle could potentially result in engine knocking. If the octane rating used is less than required, damage to the engine may occur and which could void the vehicle warranty.



What happens if you accidentally put 87 instead of 91 in a Lexus?


Use of unleaded gasoline with an octane rating lower than what is listed for your model year vehicle could potentially result in engine knocking. If the octane rating used is less than required, damage to the engine may occur and which could void the vehicle warranty.



Does the Lexus RX Hybrid need premium gas?


The Lexus RX's Gas Requirements
Most 2024 and 2023 models require premium unleaded gas with an octane rating of 91 or higher. Models released between 2012 and 2022 use unleaded gasoline with an octane rating of 87 or higher. That means that while you can use premium gasoline in older RX models, it isn't required.



Which Lexus models do not require premium gas?


Lexus ES

  • 2022 Lexus ES 250 Fuel Requirement: Regular 87-octane unleaded.
  • 2022 Lexus ES 350 Fuel Requirement: Regular 87-octane unleaded.
  • 2022 Lexus ES 300h Fuel Requirement: Regular 87-octane unleaded.



What kind of gas does a 2013 Lexus RX take?


unleaded gasoline
You must only use unleaded gasoline in the RX, with an octane rating of 87 or higher. This means the Lexus RX does not require premium gasoline, as the premium octane rating is 91 or higher. Of course, you are free to put premium gas in your Lexus RX, as it can provide better performance, but it is not needed.


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.