Does Lexus RX 350 use regular gas?
The Lexus RX 350 is a popular luxury SUV known for its reliability, comfort, and performance. One of the most common questions among owners and potential buyers is whether this vehicle can run on regular gasoline or if premium fuel is required. In this article, we’ll explore the fuel requirements for the Lexus RX 350 and provide insights into how using the right fuel can impact your vehicle's performance and longevity.
Fuel Requirements for the Lexus RX 350
The Lexus RX 350 is designed to deliver optimal performance and efficiency, and its fuel requirements are an important part of maintaining the vehicle. According to Lexus, the RX 350 is recommended to use premium unleaded gasoline with an octane rating of 91 or higher. However, it is also capable of running on regular unleaded gasoline (87 octane) without causing damage to the engine.
While the vehicle can operate on regular gas, there are some considerations to keep in mind when deciding which fuel to use:
- Performance: Using premium gasoline ensures that the engine operates at its peak performance, providing smoother acceleration and better overall responsiveness.
- Fuel Efficiency: Premium fuel can help maintain the vehicle's advertised fuel efficiency, which may be slightly reduced when using regular gas.
- Engine Longevity: Over time, consistently using premium fuel may help reduce engine deposits and wear, potentially extending the life of your engine.
Can You Use Regular Gas in a Pinch?
Yes, you can use regular gasoline in the Lexus RX 350 if premium fuel is not available. The vehicle's engine control system is designed to adjust to lower-octane fuel, preventing engine knocking or damage. However, it’s important to note that prolonged use of regular gas may result in slightly reduced performance and efficiency.
Tips for Choosing the Right Fuel
To ensure your Lexus RX 350 continues to perform at its best, consider the following tips:
- Whenever possible, use premium unleaded gasoline with an octane rating of 91 or higher.
- If you need to use regular gas temporarily, switch back to premium fuel as soon as possible.
- Monitor your vehicle's performance and fuel efficiency to determine if the difference in cost between regular and premium fuel is worth it for your driving habits.
Conclusion
While the Lexus RX 350 can run on regular gasoline, premium fuel is recommended to achieve the best performance, efficiency, and engine longevity. If you’re ever in doubt, consult your owner’s manual or reach out to a trusted auto service professional for guidance. At Kevin’s Autos, we’re always here to help you make the best decisions for your vehicle’s care and maintenance.
Frequently Asked Questions
Which Lexus SUV takes 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.
Can you mix regular and premium gas?
There's nothing wrong with mixing premium and regular gas in the same tank. In fact, this is how midgrade gas is formulated at the station. Rather than drawing from a separate storage tank for each octane rating, gas pumps actively mix high-octane fuel with lower-octane fuel to create midgrade gas.
Do I really need to put premium gas in my Lexus?
But, does Lexus require premium gas? If you want to continue to enjoy the outstanding power and high-level efficiency offered in new Lexus models, you'll want to utilize the recommended Lexus gas type. Some Lexus vehicles will require premium 91-octane fuel while others can use regular 87-octane fuel.
Does the 2025 RX350 require premium gas?
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.
Is the Lexus RX 350 good on gas?
Below, we've listed the 2024 Lexus RX gas mileage for each trim level: 2024 Lexus RX 350 FWD: 22 mpg city / 29 mpg highway. 2024 Lexus RX 350 AWD: 21 mpg city / 28 mpg highway. 2024 Lexus RX 350 Premium FWD: 22 mpg city / 29 mpg highway.
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 Lexus RX 350 run on regular 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.
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.
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 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.
