Costco Gas Calculator: Will I Save Money Buying a Membership if All I Buy is Fuel?

Costco gas fuel calculator
For those who don’t shop at Costco regularly enough to make a membership worthwhile, it might be worth getting one if your Costco has a gas station, and you fill up your vehicle on a regular basis. The question you should be asking yourself is, “Will I save money if I get a Costco membership simply from the money I save on gas?”

There are quite a few variables that go into this calculation, and you’re going to have to make some estimates to decide if you’ll receive enough savings by filling up your cars with fuel there instead of at other gas stations in the area. For instance, the price difference between Costco and where you regularly fill up your car will flu


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5 Responses to Costco Gas Calculator: Will I Save Money Buying a Membership if All I Buy is Fuel?

  1. NJDebbie says:

    Our local Costco does not require a membership to purchase their gas. You simply need a debit card because cash is not accepted.

  2. jeffrey says:

    This is definitely not the norm. Most will require that you swipe your Costco membership card first before your debit card in order to get gas.

  3. Kiki says:

    My Costco is about 2 miles from my house. It sits on a corner lot with a Shell and Arco stations directly across from it. The process for gas is almost always the same at the Arco and 10 or so cents cheaper than Shell. It is always one of the cheapest stations around the area.

    That being said I drive a Prius and fill up maybe twice a month. Three times only if I have a meeting in the bay area for work. I spend about $50 for gas in a month. It would take me forever to make up the $55 fee to join.

    I do not have a current membership, and don’t plan to sign up for one any time soon.

  4. forto says:

    So if you use 10 gallons a week, then there needs to be about a 11 cent difference to break even. I’ll have to keep a closer look at prices this month to see if it makes sense or not.

  5. Jerry says:

    Not worth it. I have found that sometimes it is only 2 or 3 cents lower. Never have I seen it more than 10 cents per Gal.

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