The Lexus IS350 requires premium gas. While the IS350 and the ES350 have the same engine, the IS350 requires premium gas for optimal performance and fuel economy.
Contents
- Does Lexus IS 350 require premium gas?
- What gas does a 2014 Lexus is350 take?
- Does Lexus GS 350 need premium gas?
- Can you put 89 gas in a Lexus?
- What happens if you don’t put premium in Lexus?
- Can a Lexus run on regular gas?
- Can you mix 87 and 91 gas?
- Does a Lexus really need premium gas?
- What happens if you put 87 gas in a 91 car?
- Which Lexus takes regular fuel?
Most Lexus models require you use at least 91 octane (premium) gasoline, while there are a few that can use 87 octane regular unleaded.
What gas does a 2014 Lexus is350 take?
Premium Gasoline
Compare Side-by-Side
| 2014 Lexus IS 350 | |
|---|---|
| EPA Fuel Economy | Premium Gasoline |
| 22 MPG 19 28 combined city/highway city highway | |
| 4.5 gal/100mi | |
| 383 miles Total Range |
Premium gas must be used in the following Lexus models: GS 350. GS F. GX 460.
Can you put 89 gas in a Lexus?
The 2023 Lexus ES 350 needs a minimum octane rating of 87, although you can use premium gasoline if you want. When you go to the gas station, you’ll generally see octane ratings of 87, 89, and 91. You might see 93 as super-premium.
First, using too low of a grade of gas can lead to engine knocking, which can cause long-term damage to your engine. And second, using regular gas when you should use premium could void your warranty, meaning you would have to pay for any costly repairs out of your own pocket.
Can a Lexus run on regular gas?
So, do you have to put premium in a Lexus? The answer depends on the specific model you’re driving. Some vehicles like the 2022 Lexus ES can utilize regular 87-octane fuel whereas other models like the 2022 Lexus GX require premium 91-octane fuel to provide you with optimal performance on the St. Petersburg roads.
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.
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.
What happens if you put 87 gas in a 91 car?
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.
Which Lexus takes regular fuel?
| Model Year | Model(s) | Recommended Minimum Octane Rating |
|---|---|---|
| 2022 | NX 350h | 91 (recommended) or 87 (minimum) |
| 2021 | GX 460, IS 300, IS 350, LC 500, LC 500C, LC 500h, LS 500, LS 500h, LX 570, NX 300, RC 300, RC 350, RC F, RX 450h | 91 |
| ES 250, ES 300h, ES 350, NX 300h, RX 350, UX 200, UX 250h | 87 |
