Does the 2021 Lexus RX 350 require premium gas?
The 2021 Lexus RX 350 is a luxury midsize SUV that combines performance, comfort, and advanced technology. One common question among owners and potential buyers is whether this vehicle requires premium gasoline. Understanding the fuel requirements of your car is essential for maintaining its performance and longevity.
Fuel Requirements for the 2021 Lexus RX 350
The 2021 Lexus RX 350 is equipped with a 3.5-liter V6 engine that delivers smooth and reliable performance. According to Lexus, this vehicle is designed to run on regular unleaded gasoline with an octane rating of 87 or higher. While premium gasoline (91 octane or higher) is not required, it can be used without causing harm to the engine.
Should You Use Premium Gasoline?
Although the 2021 Lexus RX 350 does not require premium gasoline, there are some scenarios where using higher-octane fuel might be beneficial. Here are a few considerations:
- Enhanced Performance: Premium gasoline can provide slightly better performance in terms of acceleration and responsiveness, especially under heavy loads or during spirited driving.
- Engine Longevity: While the RX 350 is engineered to run on regular gas, some drivers believe that premium fuel can help keep the engine cleaner over time due to its higher-quality additives.
- Personal Preference: If you prioritize optimal performance and are willing to pay a bit more at the pump, premium gasoline is a viable option.
Manufacturer's Recommendation
Lexus explicitly states in the owner's manual that regular unleaded gasoline (87 octane) is sufficient for the 2021 RX 350. Using premium gasoline is entirely optional and will not void your warranty or harm the engine. However, consistently using fuel with an octane rating lower than 87 is not recommended, as it may lead to engine knocking and reduced efficiency.
Conclusion
In summary, the 2021 Lexus RX 350 does not require premium gasoline. Regular unleaded fuel with an octane rating of 87 is perfectly adequate for maintaining the vehicle's performance and reliability. However, if you prefer to use premium gasoline for potential performance benefits or peace of mind, it is a safe and acceptable choice. Always refer to your vehicle's owner's manual for the most accurate and detailed information regarding fuel requirements.
Frequently Asked Questions
Can you mix 87 and 91 gas?
Is it bad to mix premium and regular gas? Well, not necessarily. If your car requires premium to run smoothly, but you aren't able to find a station with premium gasoline, it won't hurt to top off with regular gasoline. You do want to avoid running on regular gasoline for extended periods of time.
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 2021 Lexus rx350 take?
| Model Year | Model(s) | Recommended Minimum Octane Rating |
|---|---|---|
| 2021 | ES 250, ES 300h, ES 350, NX 300h, RX 350, UX 200, UX 250h | 87 |
| 2020 | GS 350, GS F, GX 460, IS 300, IS 350, LC 500, LC 500h, LS 500, LS 500h, LX 570, NX 300, RC 300, RC 350, RC F, RX 450h, RX 450hL | 91 |
| ES 300h, ES 350, NX 300h, RX 350, RX 350L, UX 200, UX 250h | 87 |
What happens if you accidentally put 87 instead of 91 in a Lexus?
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.
How many miles can a Lexus RX 350 get on a full tank of gas?
2022 Lexus RX 350 Driving Range
The 2022 Lexus RX 350 has a max range of at least 570 miles using the hybrid version. Owners of the Lexus RX 350 can expect an estimated 27 miles per gallon when driving on the highway and 20mpg around the city to make a combined 23mpg.
What happens if you don't put premium in Lexus?
If you use regular gas, the high-compression engine may become more likely to detonate. While one fill-up with regular gas isn't expected to cause long-term damage, this repeated habit can lead to the need of severe repairs or an entire engine replacement.
Can Lexus RX 350 run on regular 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.
Can I put regular gas in premium Lexus is 350?
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.
Is it worth putting 91 instead of 87?
Premium gas is also often called high-octane gas thanks to its octane rating of 91 to 94. Regular gas typically has an 87 rating, while the 88-90 range is considered midgrade. Premium gas drives performance in specific engines, but the idea that it's more fuel efficient is a myth.
What happens if I don't use premium gas in my Lexus?
If you use regular gas, the high-compression engine may become more likely to detonate. While one fill-up with regular gas isn't expected to cause long-term damage, this repeated habit can lead to the need of severe repairs or an entire engine replacement.
