Is Costco Gas Quality the Same as Exxon, Shell and Chevron?

Costco gas quality
There are many reasons to love Costco. They treat their employees much better than many businesses, and they have competitive prices when it comes to the things that they sell. While there might be some reasons that you wouldn’t want to shop there, a lack of quality in the gasoline they sell is not one of them.

If you have ever driven by a Costco and looked at the prices at their gas stations, you know that they can be significantly lower than gasoline prices anywhere else in the area. It doesn’t take much to realize this. All you need to do is look at the long line of cars waiting to fill up their tanks to know that the price is significantly lower than most other places in the


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56 Responses to Is Costco Gas Quality the Same as Exxon, Shell and Chevron?

  1. Person says:

    You cant really prove that costco gas made that damage…. unless you can then filter ur gas you pump every time into a bucket and then make sure there is debris on in right off the pump.

    Gas Filters fail too… fuel pumps can pass debris too… you supposed to have a filter inside your fuel tank too.

  2. Person says:

    its exactly what i do, but given the fact that if i fill at shell (which gives me more mileage but at a higher price) than just filling at costco and pay less… its kinda even to fill either at costco or at shell.

  3. Person says:

    well if he fills up .. after being empty… he could just run the van for like 2 mtns and then the new gas will be burning already

  4. Ron says:

    Top tier has NOTHING to do with additives other than detergent. Chevron Techron and Shell V Power are separate additives on top of the standard Top Tier level detergent. Top Tier mean detergents higher than the government’s minimum requirement are used. All the major station are now Top Tier including Texaco, 76, Mobile, Arco. That means even the ethanol using station are using such detergents.

  5. Jim H says:

    Jim, Thanks for your comments which I find to match-up fairly well with what I know about gasoline.
    What you omitted is that when gasoline is delivered here in So. California (where during the most of the year, we have warmer temps than most other states) the outside temp, when delivered, is definitely taken into consideration, just because of because of “the density of the fuel”…
    That said, I agree that once the fuel is in the ground for a few days it become much more stable…but, our ground temp is warmer that most other states.

  6. MightyMouse says:

    Check out the new Shell V-Power Nitro+ fuels. The only fuel recommended by BMW M and Ferrari.

    Best fuel out there right now IMHO.

    7 times the cleaning agents, plus several other factors are much better.

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