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[POLL] - Regular vs Premium Gas

Kelemvor

Lifer
Was writing a post at a different site and found the following links...

If you do use Premium gas, you may want to check out the links below. You could save yourself a lot of cash...


http://autorepair.about.com/cs/generalinfo/a/aa062300a.htm
If your car uses regular gas don't waste money on buying premium, if you don't have to. You won't get any better milage or performance and you'll just waste that extra ten or fifteen cents a gallon. Check your owners manual to see if your engine does need premium.
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http://moneycentral.msn.com/content/Savinganddebt/Saveonacar/P37269.asp
Premium gas instead of regular. Buy the cheapest gasoline that doesn't make your car engine knock. All octane does is prevent knock; a grade higher than the maker of your car recommends is not a "treat."
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http://www.ftc.gov/bcp/conline/pubs/autos/octane.htm
Are you tempted to buy a high octane gasoline for your car because you want to improve its performance? If so, take note: the recommended gasoline for most cars is regular octane. In fact, in most cases, using a higher octane gasoline than your owner's manual recommends offers absolutely no benefit. It won't make your car perform better, go faster, get better mileage or run cleaner. Your best bet: listen to your owner's manual.
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http://www.thedesertsun.com/news/stories2003/business/20030801024358.shtml
Engines designed for regular fuel don't improve on premium and sometimes run worse. And today's engines designed for premium run fine on regular, too, their makers say, though power declines slightly.
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http://www.cbsnews.com/stories/2002/08/02/earlyshow/saturday/main517335.shtml
Less than 10 percent of cars on the road actually require "premium" gas but 20 percent of all gas consumed is premium. That means a lot of people are paying at least 17 cents more per gallon than necessary. Premium gas does not improve fuel economy or boost power ... so don't think you're squeezing something "extra" out of your engine when you spend more on gas. Thanks to so many technical advances, only high-performance vehicles (meaning high-end BMWs or Mercedes) really need high-octane gas.
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http://www.usatoday.com/money/autos/2003-07-30-premiumgas_x.htm
But auto engineers generally agree that if you use regular in a premium engine, the power loss is so slight, most drivers can't tell.
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http://money.cnn.com/2004/04/28/pf/saving/willis_tips/
Once you're at the pump, if your vehicle's engine does not need premium fuel, using anything other than regular is simply a waste of money.

The AAA says so-called "premium" gasoline accounts for one out of every five gallons pumped in the U.S. -- even though only about 10 percent of the cars on the road actually require higher octane gas.


I've never used premium and don't know why anyone does unless you ahve an engine that specifically requires it. What does everyone else use?
 
92 or better octane .... 10.4:1 in my Z car

Thres no point in putting high octane gas in an a naturaly aspirated car with low compression. I think ive only owned one car that took 87 octane gas the rest of em all took/take premium

(Talon tsi awd, 2x Nissan 300zx and an audi a4)
 
Does using premium gas cause any harm? The last gas station I went to didn't have regular gas (or they just put an "out of service" sign on it to sell more premium!) so my economy car's talk is full of high octane gas.. Should I worry?
 
regular. I used premium for awhile, but switched to regular and didn't notice a difference (except maybe a half second in the start-up time).
 
Not sure why, but on my last tank of gas I put in premium (by accident, not paying attention), and I actually got worse gas mileage than what I do when I use regular...
 
Originally posted by: freedomsbeat212
Does using premium gas cause any harm? The last gas station I went to didn't have regular gas (or they just put an "out of service" sign on it to sell more premium!) so my economy car's talk is full of high octane gas.. Should I worry?
No. Putting premium in a car that does not require it will not harm it. It just doesn't do any good and isn't worth the extra cost (20 cents extra per gallon here).

It is putting regular in a car that requires premium can cause harm.

We own 1 car that requires premium (my daily driver) because of turbocharging. Our other 2 cars don't require premium, and they both get regular.
 
Vote Diesel.

"But auto engineers generally agree that if you use regular in a premium engine, the power loss is so slight, most drivers can't tell."

That's a disturbing quote.
 
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