Costco Gas Prices | CostContessa (2024)

FAQs

What's the best day to buy gas at Costco? ›

Gas stations can get busy (avoid weekends)

Avoid weekend fill-ups if you can. Buying gas on a weekend could be a nightmare, as waiting times could take hours. To avoid this, the best time to get gas at Costco is on weekdays between 10-11 in the morning.

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.

Regardless though, AAA estimates that most Americans will fill up their tank anywhere between 45 and 55 times a year on average. So, yes, we can VERIFY that it is worth getting a wholesale membership to save on gas prices. The chart below shows the comparisons for some of the areas we examined.

Plan your fueling around the quieter times, typically during the middle of the week and early in the morning. Additionally, members can consult the Costco app, which sometimes offers real-time updates on gas station wait times.

Costco is listed as a TOP TIER™ gasoline retailer. Find out more at www.toptiergas.com.

Buy Gas on Monday or Tuesday

Be strategic about the days you fill up at the pump. “For gas, Mondays and Tuesdays tend to be the cheapest days to fill up your tank as demand is lower at the beginning of the week,” Anderson said.

Costco's electronic sensors continuously monitor our underground storage tanks for water. We physically inspect and take chemical samples of our tanks at least weekly to confirm there is no contamination.

It could be any one of dozens of different refiners Depending on the locale of your Costco. Just like every other gasoline retailer they do not have their own specific supplier at every location. Even a particular Costco may not get their gasoline from the same supplier every time.

There's no real free trial for a Costco membership. They don't typically offer guest passes or other temporary options for testing the proverbial waters. Instead, Costco offers a fairly generous return policy on their membership purchases.

Do you get 2 cash back on Costco gas with an executive membership? ›

An executive membership at Costco costs $120 per year, which is twice as much as a basic membership. The primary benefit of the executive membership is scoring 2% back on Costco purchases. Certain purchases don't qualify for cash back, including gas, stamps, and vehicles.

Costco has more stores across the globe, is expanding rapidly, and generally offers cheaper prices than Sam's Club does, although the latter charges slightly less for membership, has a bigger presence in the U.S., and stocks more name brands.

Best Day of the Week

According to a GasBuddy petroleum analyst, Monday and Tuesday is when gas prices are typically at their cheapest. As the week goes on, prices steadily tend to rise while finally culminating in the highest price during the weekend.

Based on historical data, Saturdays have typically been the least favorable day to buy fuel. However, recent analysis by GasBuddy suggests that Thursdays were the most expensive day to purchase gasoline in 2021. The data reveals that in 28 states, Thursday had the highest average gasoline price.

Costco gas is offered at a great price

Although the exact amount of savings you'll get varies based on your location and the specific club you're shopping at, you'll typically save around $0.20 per gallon at Costco according to most online reports. Most cars hold between 10.5 and 18.5 gallons of gas.

Filling up in the morning when it is cooler can help ensure the gasoline has contracted, and you get a larger amount of fuel for the same price. Now, it's important to note that fuel is stored underground, where the temperature may not fluctuate as much.

From what I found, usually right when the pump island opens is usually the least busy. One person said at the store they shop at the day is Tuesday at 8am when they open.