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Can I use regular gas in Lexus NX?


As a proud owner of a Lexus NX, you may find yourself wondering about the type of fuel that is best for your vehicle. With the rising costs of premium gasoline, many drivers are curious if they can save money by using regular gas instead. In this article, we will explore the implications of using regular gas in your Lexus NX and provide you with the information you need to make an informed decision.


Understanding Fuel Requirements


The Lexus NX is designed to run on premium unleaded gasoline with an octane rating of 91 or higher. This requirement is primarily due to the vehicle's turbocharged engine, which is engineered to perform optimally with higher octane fuel. Using regular gas, which typically has an octane rating of 87, can lead to several issues.


Potential Consequences of Using Regular Gas


While it may be tempting to use regular gas to save money, there are several potential consequences to consider:



  • Engine Performance: Using regular gas can result in reduced engine performance. The engine may not operate as efficiently, leading to a decrease in power and acceleration.

  • Knocking: Lower octane fuel can cause engine knocking or pinging, which occurs when fuel ignites prematurely in the engine. This can lead to long-term damage if not addressed.

  • Fuel Economy: You may experience decreased fuel economy, as the engine may need to work harder to compensate for the lower quality fuel.

  • Warranty Issues: Using a fuel type that does not meet the manufacturer's specifications could potentially void your warranty, leaving you responsible for any repairs that may arise from engine damage.


What Should You Do?


If you own a Lexus NX, it is highly recommended to adhere to the manufacturer's fuel requirements and use premium unleaded gasoline. While the initial cost may be higher, the long-term benefits of maintaining engine performance and avoiding potential damage far outweigh the savings from using regular gas.


In conclusion, while you technically can use regular gas in a Lexus NX, it is not advisable. For the best performance and longevity of your vehicle, stick to premium fuel as recommended by the manufacturer.


Frequently Asked Questions

Is the Lexus Nx 300 good on gas?


The 2021 Lexus NX 300 achieves an EPA-estimated 22 city/28 highway MPG.



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 I put 89 in my Lexus NX 300?


When it is time to fill up your vehicle's tank, making sure you choose the right gas is a way of ensuring your vehicle runs smoothly and efficiently while on the road. If you currently drive a 2022 Lexus NX, the luxury SUV requires premium gas with an octane rating of 91 or higher.



What happens if I use regular gas in a Lexus is?


For one, too low grade gas leads to engine knocking, which can damage your engine in the long run. In addition, using regular gas when you should use premium could void your warranty, which will cost you much more than your small savings at the pump.



Which Lexus models use regular gas?


A luxury vehicle like Lexus may need premium fuel, but the answer to these questions is actually model-specific. 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, so the Lexus gas type depends on the model.



What happens if I 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 put regular gas in Lexus NX?


When it comes time to fill up, the Lexus NX requires premium unleaded gasoline. You should be looking for an octane rating of 91 or higher, to ensure the NX runs efficiently while providing the best possible performance. Any gas used in the NX should not contain any higher than 15% ethanol.



Which Lexus SUV can use regular 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, so the Lexus gas type depends on the model.



Is it worth putting 91 instead of 87?


Does Premium Fuel Make Your Car Run Better? Some drivers swear that using a higher-octane fuel is better for a car's performance, but it's not. Engine computers can usually adjust their timing to account for the increased octane levels, so if you put premium gas in a regular car, you probably won't notice anything.



Can I use 87 gas for Lexus?


Some Lexus vehicles will require premium 91-octane fuel while others can use regular 87-octane fuel. If you're wondering, “Do you have to put premium gas in a Lexus?”, it's best to find the recommended Lexus gas type in your owner's manual.


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.