What type of gas are you putting in your car? - Page 2 - Club Lexus Forums

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View Poll Results: What type of gas are you putting in your car?
Regular 64 90.14%
Mid-Grade 2 2.82%
Premium 5 7.04%
Voters: 71. You may not vote on this poll

What type of gas are you putting in your car?

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Old 06-27-14, 12:21 PM   #16
LexBob2
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It's still shocking to me that the ES 350 does not require premium gas. My state's gas station sells 87, 89 and 92 what would you guys recommend I use? Would it hurt the car even if I put premium in there?
Go with the manufacturers recommendation and you can't go wrong. Regular has been recommended in the ES350 since the 2012 model year. Toyota's using the same engine have used regular all along beginning, around 2007 or so. Premium wouldn't hurt anything, it won't really help anything either.
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Old 06-27-14, 12:27 PM   #17
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Slower burning Premium without the Compression and Ignition Timing to benefit from it might actually get less MPG. Save your money.
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Old 06-27-14, 12:41 PM   #18
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regular 87 here
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Old 06-27-14, 01:02 PM   #19
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Costco regular - which is a tier one fuel. Anything above 87 octane is a waste of money.

Last edited by bc6152; 06-27-14 at 01:06 PM.
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Old 06-27-14, 01:10 PM   #20
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Costco regular - which is a tier one fuel. Anything above 87 octane is a waste of money.
+1. Don't waste your money.
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Old 07-03-14, 12:49 PM   #21
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I am a new Lexus ES 300h user. I was specifically told by my dealer to use premium gasoline and I just filled my first tank using premium gasoline. In an ideal world I would like to use regular if it doesn't affect my warranty and the functioning of the car.

Based on just the poll results, it seems like owners are overwhelmingly using regular unleaded gas for their cars. Can somebody speak to the warranty issue or just the performance of the car itself? Thanks.
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Old 07-03-14, 12:57 PM   #22
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use plus. premium isn't necessary, but in my experience(in all cars) plus gives better mileage than regular.
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Old 07-03-14, 02:58 PM   #23
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Premium is only needed for its anti-knock properties in high compression engines. If lower compression engines develop a knock then premium could be used but a tune up is more useful to address the cause of the knock. Before computer controlled engines that was usually due to the ignition timing being incorrect.
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Old 07-03-14, 05:10 PM   #24
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Originally Posted by Ellicottva View Post
I am a new Lexus ES 300h user. I was specifically told by my dealer to use premium gasoline and I just filled my first tank using premium gasoline. In an ideal world I would like to use regular if it doesn't affect my warranty and the functioning of the car.

Based on just the poll results, it seems like owners are overwhelmingly using regular unleaded gas for their cars. Can somebody speak to the warranty issue or just the performance of the car itself? Thanks.
Your new Lexus calls for REGULAR GAS. Gasoline rated at 87 octane. Not premium, not plus, not super or anything other than regular 87 octane gas. Using premium, high octane or anything other than 87 octane and you are wasting your money. Your 300h and my 350 will run optimally on 87 octane and were designed that way. Read the owner's manual and find another Lexus dealer that knows their stuff...

Last edited by bc6152; 07-03-14 at 05:15 PM.
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Old 07-03-14, 06:35 PM   #25
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Originally Posted by bc6152 View Post
Your new Lexus calls for REGULAR GAS. Gasoline rated at 87 octane. Not premium, not plus, not super or anything other than regular 87 octane gas. Using premium, high octane or anything other than 87 octane and you are wasting your money. Your 300h and my 350 will run optimally on 87 octane and were designed that way. Read the owner's manual and find another Lexus dealer that knows their stuff...
I agree with both points. The recommended gas information might also be on the fuel filler door, but not 100% sure. Nevertheless the correct information is in the owners manual.
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Old 07-05-14, 03:06 PM   #26
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It's also the same engine then the Toyota Camry Hybride who use regular...
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Old 07-06-14, 07:50 AM   #27
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Why are we so lazy that we would NOT read our owner's manual?

If you deviate you risk violating warranty claims.
The manual is your car's bible.
Follow it!
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Old 07-06-14, 09:40 AM   #28
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Why are we so lazy that we would NOT read our owner's manual?

If you deviate you risk violating warranty claims.
The manual is your car's bible.
Follow it!
Agree with you Bootman. One should always read the owner's manual. On the other hand, one should be able to trust that the dealer who sold you your car is giving you accurate information.
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Old 07-06-14, 11:45 AM   #29
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pg 828 of the manual says 87... or higher. so i guess really it doesn't matter what grade you use.
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Old 07-06-14, 05:28 PM   #30
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Agree with you Bootman. One should always read the owner's manual. On the other hand, one should be able to trust that the dealer who sold you your car is giving you accurate information.
Are we talking the salesman or the technician in the back?
I'll trust the tech guys every time but the salesman, not so much.
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