Premium or Regular Gas ? - Page 5 - Club Lexus Forums

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View Poll Results: What gas do you use ?
Premium 429 82.34%
Midrange 36 6.91%
Regular 56 10.75%
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Premium or Regular Gas ?

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Old 03-20-06, 09:07 AM   #61
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Quote:
Originally Posted by LSUFanMan
Premium ONLY! Read manual and fuel door.
This is the best part of the Reg vs Premium argument , because if the manual said regular, owners will still insist on Premium. For peace of mind and/or because it is a premium car. Regardless of what the manual recommends, owners already have their own expections of what they WANT to put in their cars.
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Old 03-20-06, 09:09 AM   #62
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The IS350 requires 91 octane. Since 91 isn't usually available, I use 93 unless I'm just topping off a mostly full tank, in shich case I'll use 89 occasionally. I use 91 if it's available. No need to go higher.
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Old 03-22-06, 06:09 PM   #63
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Quote:
Originally Posted by cdeslandes
The IS350 requires 91 octane. Since 91 isn't usually available, I use 93 unless I'm just topping off a mostly full tank, in shich case I'll use 89 occasionally. I use 91 if it's available. No need to go higher.
I never see 91 octane available in my neck of the woods. Anyone in NJ ever see a station offering 91 octane?
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Old 03-22-06, 07:12 PM   #64
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Yes the entire Raritan river is 91 octane!

For real I never seen 91 octane gas...
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Old 03-22-06, 10:55 PM   #65
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Quote:
Originally Posted by Foxberry
I never see 91 octane available in my neck of the woods. Anyone in NJ ever see a station offering 91 octane?
91 is the best we can get in California.
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Old 03-23-06, 07:33 AM   #66
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We use to be able to get 93 all day...now its only 91 and this changed about a year ago.
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Old 03-23-06, 07:42 AM   #67
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Quote:
Originally Posted by phish2112
this is an interesting question. of course most everyone will initially fill her up with the top shelf, but in a few years that may become increasingly more difficult due to gas prices. I tend to put a ton of miles on my car from a long commute. If you add those extra few dollars up over the course of a year thats pretty substantial. hence going back to the posed question "how much could it possibly hurt to use regular gas?" I think thats a tough question to answer. for now...I'm all premium until convinced otherwise.
you lose mileage and performance when you use regular in a premium car, any savings you try to make by going regular is negated by the mileage loss you experience, not to mention extra strain on the engine from knocking and loss in hp/torque
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Old 04-15-06, 03:49 PM   #68
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Unless you hear pinging, you are not hurting the engine by running lower octane fuel. The engine managment system will adjust its timing for the lower octane. Yes, you lose performance but you are not hurting the engine. BTW, premature engine wear is probably the LEAST likely problem you will ever have in a modern car-especially a toyota. the other components are going to fail well before you have an engine fail.

Yes, the cost saving isnt that much. it just feels like a lot but in reality over a year it isnt that much money.
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Old 04-15-06, 06:16 PM   #69
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If you can afford a LEXUS you can afford Premium Gas
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Old 04-15-06, 08:46 PM   #70
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Quote:
Originally Posted by Foxberry
I never see 91 octane available in my neck of the woods. Anyone in NJ ever see a station offering 91 octane?
Gas stations by me offer 91 and 93.
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Old 04-15-06, 08:49 PM   #71
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Why would anyone use regular gas for any car? I've never used regular gas in my life.
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Old 04-15-06, 09:25 PM   #72
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Quote:
Originally Posted by S L I C K
Why would anyone use regular gas for any car? I've never used regular gas in my life.

save 20 cents a gallon. not a bad deal.
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Old 04-16-06, 12:27 PM   #73
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Quote:
Originally Posted by tim817
Yup, i agree with you. If u can afford a Lexus , why go cheap on the gas? Save your money and get a civic instead. My 2 cents.
Exactly.

It never ceases to amaze me how people buy "Premium" vehicles, then make idiotic posts about where to find the cheapest gas, or the cheapest aftermarket parts, or the cheapest insurance. I always wonder if those folks can really afford the car they own. After all, you gotta pay to play at this level.

Manual says to run 91 octane, so that's what it gets. Mobil and Exxon sell 89 and 93, so I put in 93.

BTW, premium (93 octane) was $2.99 here in CT this Easter morning.
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Old 04-16-06, 04:24 PM   #74
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Quote:
Originally Posted by STIG
save 20 cents a gallon. not a bad deal.
you will get less mileage and less performance than premium, thats going to negate any 20 cent/gallon savings
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Old 04-17-06, 05:13 AM   #75
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Quote:
Originally Posted by 4TehNguyen
you will get less mileage and less performance than premium, thats going to negate any 20 cent/gallon savings
hummmm mileage will drop huh???

wife just filled up the 250 last week with regular by accident and my mileage dropped all the way to 30.6 on my 80 mile trip yesterday...35%city/65% hiway (with speeds approaching 90mph), of course if I would have stayed about 65mph on the freeway, I could've easily had 31mpg+

Last edited by bagwell; 04-18-06 at 06:03 AM.
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