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Author Topic: Octane ratings Back to Topics
d14mimo

Rookie Author
Michigan

Posts:2
Points:31,115
Joined:Jun 2011
Message Posted: Aug 18, 2013 8:20:21 PM

Octane ratings should be listed for the various grades of gasoline, as some cars MUST burn a MINIMUM octane rating or void their new car warranty. My car calls for minimum of 91. It gets annoying when I pull into a station and all they have is 87 & 90 octane. I prefer 93 octane which can be hard to find, but in general, octane listings by station would make life LOTS easier.
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jonloft
Rookie Author Minnesota

Posts:11
Points:366,845
Joined:Aug 2013
Message Posted: Oct 20, 2013 12:01:58 AM

I understand that the current icons do not necessarily reflect the actual octane. Premium has 91 for example. But would not a simple solution be to make some additional icons? So maybe three Premium icons with a choice of 91, 92, or 93? Then just choose the appropriate one for a given station. This would not require any additional input areas for prices.

Expanding this ideas would be to have icons for fuels like E85 that do not currently have a pricing field. Then a user would be able to see that a station has a particular fuel, even if the price is not known. We have an icon for restrooms, but we don't have a price for them :-)
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Don
Moderator
Message Posted: Aug 26, 2013 5:37:39 PM

Hi d14mimo,

Thanks for your suggestion.

The octane rating icons shown under station features does not actually represent the octane of fuel sold at any particular station.

Generally most regular fuels are between 84-87 octane, most mid grade fuels are 87-89 octane, and most premium fuels are 90-93 octane, sometimes even 94. Octane can vary from station to station, from brand to brand, and from area to area.

We are considering adding other fuel types to the website and apps, however, currently only display the three main grades of gasoline, and diesel. This helps keep the price input methods streamlined. We are hoping to improve upon this as time goes on though.

Thank you for your patience while we continue to develop and improve our mobile app and web services.

Feel free to include notes about octane in the Comments field of your reporting.

-Don
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kwzh
Champion Author San Jose

Posts:23,401
Points:4,327,780
Joined:Jul 2001
Message Posted: Aug 20, 2013 12:01:52 AM

I don't even know what the usual octane ratings are; it's never been a concern for me. I suppose that if I were driving a car and suspected that its minimal fuel requirement corresponded to what some stations call midgrade and others call premium, then I'd determine which of those two labelings was more common in my locale, and start a forum thread to document the exceptions.

Note that if we're talking about the altitude-related differences, then that changes not only what the gas stations consider "regular", but also what the car would consider "minimal". An 87-drinking car can do fine on 85 in the mountain air.

[Edited by: kwzh at 8/20/2013 12:02:49 AM EST]
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RichWLIN
Champion Author Indiana

Posts:7,793
Points:1,291,830
Joined:Jun 2011
Message Posted: Aug 19, 2013 8:45:10 AM

d14mimo,

One possible solution would be to add a sub-category under each grade selected in the Master Station List (MSL) with a default level of unknown. Senior members, who are interested enough to record specific octane levels, could then enter this data under the appropriate fuel grade. In time, there may be enough entries to benefit drivers like you; however, similar suggestions have been made here without getting much traction to include requests to provide a sub-list of non-ethanol fuel grades. My guess is that your suggestion will likely be considered in the minority and there will not be sufficient interest to implement this sort of change.

As another possible solution, you could take note of branded stations that offer the octane level you require filtering all but these stations as your search criteria. This may not be a perfect solution but it may be the most efficient way to get what you need. For example, I’ve noticed that a Sunoco station I sometimes report prices for has both 91 and 93 octane premium fuel at the pump. I’m sure that there are other branded stations that sell 91 or greater octane premium. Once you figure out which stations carry what you need, simply search for these stations only.

Hope this helps.

RG
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Gas_Buddy
Champion Author Maryland

Posts:30,043
Points:3,687,960
Joined:Aug 2004
Message Posted: Aug 18, 2013 8:47:10 PM

Because gas stations post prices by grades (regular, mid-grade, premium) on their overhead signs, where most Gas Buddy members are viewing the prices before posting on the website or the app, and the signs don't indicate the specific octane for each grade, you're essentially suggesting that each person posting gas prices pull up to the pump to view the octane listing before posting the price on the Gas Buddy website or app.

Even if Gas Buddy listed prices by octane ratings (instead of by grades of fuel), unless you can get all the gas stations to list the octane (instead of by grades of fuel), you will get considerably less price posting unless you can convince Gas Buddy members to drive up to the pumps to read the individual octane ratings. You may be driving up to individual gas pumps before you post gas prices, but I doubt that most members will take the time to drive to the individual gas pumps to read the postings.

I don't see how, even if the suggestion is implemented by Gas Buddy to list octane ratings instead of grades, you'll get more than a few members, such as yourself, willing to drive to individual gas pumps to find the necessary information you want, without a significant sign posting change by the gas station industry.
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