Can I put 89 gas in Lexus?
No, it is generally not recommended to put 89 octane gasoline in a Lexus. Lexus vehicles are designed to run on higher octane fuel, typically 91 or 93 octane. Using a lower octane fuel can potentially cause engine knocking, reduced performance, and long-term damage to the engine.
Understanding Octane Ratings and Lexus Fuel Requirements
Octane rating is a measure of a fuel's resistance to premature ignition, also known as "knocking" or "pinging." Higher-performance engines, like those found in Lexus vehicles, require higher octane fuels to prevent this knocking. Lexus recommends using 91 octane or higher gasoline to ensure optimal engine performance and longevity.
Using a lower octane fuel, such as 89 octane, can cause the fuel to ignite prematurely, leading to engine knocking. This can result in reduced power, decreased fuel efficiency, and potentially cause long-term damage to the engine over time.
Consequences of Using 89 Octane in a Lexus
- Engine Knocking: The lower octane fuel is more prone to premature ignition, causing a knocking or pinging sound in the engine.
- Reduced Performance: The engine may not perform as efficiently, leading to a noticeable decrease in power and acceleration.
- Decreased Fuel Efficiency: The engine may not be able to operate at its optimal efficiency, resulting in lower fuel economy.
- Potential Engine Damage: Prolonged use of a lower octane fuel can cause increased wear and tear on engine components, potentially leading to more serious and costly repairs down the line.
To ensure the best performance, fuel efficiency, and long-term engine health, it is recommended to always use the fuel grade specified by the manufacturer, which for Lexus is typically 91 octane or higher.
What happens if I put 89 instead of 87 in my car?
Adding mid-grade gas to a car that uses 87-octane will waste the extra money put into the tank. 89 gas will not make your car go faster. If a manufacturer recommends premium gas, you can still use 87-octane, but it might cause problems to your car's engine.
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.
Can you put 89 gas in a premium car?
If your vehicle requires an octane level of 93, using a lower-grade fuel can potentially cause knocking that can damage your engine. If the octane level is a recommendation and not a requirement, you have a bit more latitude to experiment and see how your particular vehicle fares.
What gas grade for Lexus?
| Model Year | Model(s) | Recommended Minimum Octane Rating |
|---|---|---|
| 2020 | ES 300h, ES 350, NX 300h, RX 350, RX 350L, UX 200, UX 250h | 87 |
| 2019 | GS 350, GS F, GX 460, IS 300, IS 350, LC 500, LC 500h, LS 500, LS 500hL, 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 |
