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Does the Lexus RX 350h require premium gas?


The Lexus RX 350H is a popular hybrid SUV known for its luxury, performance, and fuel efficiency. As a vehicle owner, one of the common questions that arise is whether this model requires premium gasoline. Understanding the fuel requirements can help you make informed decisions about your vehicle's maintenance and performance.


Fuel Requirements for the Lexus RX 350H


The Lexus RX 350H is designed to run efficiently on regular unleaded gasoline. According to the manufacturer's specifications, using premium gasoline is not necessary for optimal performance. Here are some key points to consider:



  • Engine Design: The RX 350H features a hybrid powertrain that combines a gasoline engine with electric motors. This design allows it to operate efficiently on regular fuel.

  • Performance: While premium gasoline may provide a slight increase in performance for some vehicles, the RX 350H is engineered to perform well on regular unleaded without any noticeable loss in power or efficiency.

  • Cost Efficiency: Using regular gasoline can save you money at the pump, especially given the rising fuel prices. This is an important consideration for many drivers.


When to Consider Premium Gas


While the RX 350H does not require premium gasoline, there are certain situations where you might consider using it:



  • Engine Knock: If you experience engine knocking or pinging, it may be worth trying premium fuel to see if it alleviates the issue.

  • Performance Preferences: Some drivers may prefer the slight performance boost that premium gasoline can provide, especially in high-demand driving situations.


Conclusion


In summary, the Lexus RX 350H does not require premium gasoline and is designed to run efficiently on regular unleaded fuel. This makes it a cost-effective choice for drivers looking to maintain their vehicle without incurring unnecessary expenses. Always refer to your owner's manual for the most accurate information regarding fuel requirements and maintenance tips.


Frequently Asked Questions

What is the gas mileage on a Lexus RX 350h?


37 mpg city/34 mpg highway
2023 Lexus RX 350h Premium AWD: 37 mpg city/34 mpg highway.



Does the 2024 Lexus RX Hybrid require premium gas?


The plug-in hybrid RX 450h+ Luxury trim offers a 14.5-gallon tank, leaning more into its electric capabilities. Across the lineup, every Lexus RX Hybrid model is engineered for peak performance using premium unleaded gasoline.



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.



Which Lexus hybrid does not require premium gas?


Some vehicles like the Lexus UX 250h can utilize regular 87-octane fuel whereas other models like the 2022 Lexus GX require premium 91-octane fuel. Check your owner's manual to confirm what type of fuel your vehicle needs, and confirm here with Ray Catena Lexus of Freehold.



What kind of gas does a Lexus RX 350h take?


unleaded gas
Fuel Recommendations
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. You can put premium gas in your Lexus RX, and it can provide better performance, but it's not a requirement.



Does the 2024 Lexus 350h require premium gas?


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.



Does the 2025 Lexus RX 350h require premium gas?


Lexus recommends using premium unleaded gasoline with an octane rating of 91 or higher for the RX 350h. This is crucial for ensuring optimal performance, efficiency, and longevity of the vehicle's advanced hybrid powertrain.



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.



Can you use regular gas in a Lexus Nx 350h?


Does the Lexus NX Hybrid require premium gas? 2025 Lexus NX Hybrid SUVs should be refilled with premium gasoline, typically 91-octane or higher.



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.


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.