FAQs
As gasoline prices fall, Costco does not lower prices at the same pace it raises them when prices are climbing. This allows the company to recoup some of the profits lost by doing the reverse when prices were rising.
Is Costco Premium gas 91 or 93? ›
Gasoline octane can vary by state, but at Costco, it's typically 87 octane for Regular and 91 octane for Premium Gasoline. Q: Where does Costco get its fuel?
Is Costco gas worth it? ›
Consumer Reports (subscription required) came out with a study in 2022 stating that Top Tier gas is worth the extra price. The good news is that Costco gas is already Top Tier and is often the cheapest station.
Can I pump gas at Costco if I forgot my card? ›
It's important to note that if you want to pump gas at Costco without your physical card, you will need to have a Costco Shop Card, which is different from the membership card [2].
Does Costco have poor quality gas? ›
Costco adheres to top-tier gasoline standards, enhancing fuel quality with increased detergents to maintain engine performance and cleanliness. You might wonder why top-tier gas additives are not mandated by law. The EPA's standards are primarily based on emissions associated with additive use.
Where does Costco gas come from? ›
Where does Costco gasoline come from? The gasoline from you local Cosco comes from the same terminal as the rest of your local gas stations. The only difference is that is doesn't get the proprietary additive package added to it that you pay extra for from Shell or Chevron or whatever your local options are.
Is shell gas actually better? ›
Shell Gasoline is certified TOP TIER™, a higher standard for engine cleanliness and performance set by auto manufacturers. No other gasoline does a better job of protecting critical engine parts against deposits. All three grades of Shell Gasoline provide unsurpassed protection against engine gunk!
Is Costco gas as good as Chevron? ›
Costco gas is EXACTLY THE SAME as Chevron, Shell, etc etc. BEFORE delivered. After being delivered the companies put their detergents/additives in, that's what makes them "unique". Costco, however, blends their own fuel onsite, and filters it as well.
Does 91 to 93 octane make a difference? ›
In this way, combustion is carried out in a much smoother and more efficient way. This means that premium 93 octane gas has a higher performance. In addition, it is also very likely that fuel consumption will be lower than if we use 87 or 91 octane gasoline.
Is it worth getting a Costco card just for gas? ›
Generally speaking, buying gas at Costco is significantly cheaper than doing so at a traditional gas station. The typical driver can save more than $100 per year. Buying gas at Costco can justify a membership all by itself.
Quality fuel, Costco value
Kirkland Signature Gasoline has been certified to meet TOP TIER™ performance standards. Learn more about Top Tier at toptiergas.com.
How does Costco make money on gas? ›
Why is gas so cheap at Costco? The answer is simple: they just have very loyal customers. To purchase their gas, you have to be a member, and membership sales make up about 75 percent of the chain's profit.
Can my husband use my Costco card without me? ›
Can other people use my membership card? The Costco membership card is non-transferable, but there are several ways to share the experience with family and friends. Anyone with a card can bring up to two guests to the Warehouse during each visit. Keep in mind that purchasing items is exclusive to Costco members.
How to get a Costco card for free? ›
While Costco doesn't offer free or discounted memberships, we do provide an exclusive college student offer to join Costco as a new member and receive a Costco Shop Card!
Can someone use my lost Costco card? ›
Membership Cards and Fees
Your membership card is valid at any Costco warehouse worldwide and is not transferable.
Does Costco make profit on gas? ›
The short answer is that unlike pretty much every other retail business that sells gasoline, Costco doesn't care about making money from its gas pumps. In fact, Costco typically sells its gas at a moderate loss. Why would Costco do this? It's not an act of charity.
How does Costco keep gas low? ›
Why is gas so cheap at Costco? The answer is simple: they just have very loyal customers. To purchase their gas, you have to be a member, and membership sales make up about 75 percent of the chain's profit.
Why do people like Costco gas so much? ›
It's good for your car
The fact that gas is cheaper at Costco doesn't mean it's lower in quality. The company offers Kirkland Signature gasoline, which is formulated to improve vehicle performance and fuel economy. Costco says the gas also reduces emissions, making it better for the environment.
Is Costco fuel less efficient? ›
No. - Costco fuels, both gasoline and Diesel, are 'TopTier' rated and equivalent to major name brands, which also meet these specifications.
