Is Costco Gas the Same as Shell?

Are you curious about the differences between Shell and Costco gasoline? In this blog post, we delve into a comprehensive comparison of these two fuel giants. From quality and performance to price and rewards, we explore all aspects to help you make an informed decision. Read on to discover which option suits your needs best. […]
Is Costco Premium Gas 91 or 93?

Costco’s premium gas typically has an octane rating of around 91 [6]. The octane rating can vary slightly by state, but it’s generally in the 91 range [2][3],[6]. It’s important to note that the octane rating may differ based on location, so checking local sources for precise information is recommended. 🌐 Sources aisleofshame.com – Is […]
Is Costco Gas Better Than Arco?

Yes, Costco gas is generally considered better than Arco. While both types of gas come from the same source, Costco’s gasoline meets Top Tier standards, a program between manufacturers and gasoline retailers to provide higher-quality fuel with enhanced additives and detergents [6]. Costco’s gas has a higher level of detergents than federal standards, making it […]
Does Costco Gas Burn Faster?

There is conflicting anecdotal evidence regarding whether Costco gas burns faster than other brands. Some users claim to experience a slight decrease in mileage with Costco gas, reporting 3-4 miles less per gallon compared to other fuels [2]. On the contrary, others argue that Costco gas provides good mileage without causing any harm to the […]
Is Costco Gas Ethanol Free?

Costco’s gasoline typically contains ethanol. Both Regular (87 octane) and Premium (91 octane) gas at Costco may contain up to 10% ethanol[2][4]. However, there is a mention that Costco 91 in Ontario is ethanol-free[6]. It’s advisable to check local regulations and inquire at specific Costco locations for accurate and updated information on ethanol content. 🌐 […]
Costco Gas or Chevron – A Short Summary

Costco gas and Chevron gas are both popular choices for consumers, but there are some differences to consider: Costco Gas: Costco gas is known for being competitively priced, often 20-25 cents cheaper than local gas stations, making it an attractive option for cost-conscious consumers[3]. It is considered a Tier 1 fuel, which means it contains […]
Does Costco Gas Cause Check Engine Light?

Costco gas causing a check engine light is a topic that has been discussed in various online forums and communities, but there isn’t definitive evidence to suggest that Costco gas is a direct cause of check engine lights. Many factors can trigger a check engine light in a vehicle, including issues unrelated to the type […]
Do Costco Gas Stations Have Diesel?

Yes, Costco gas stations do offer diesel fuel at select locations. However, it’s important to note that not all Costco gas stations sell diesel fuel. You will need to check with your local Costco gas station or visit the official Costco website to determine whether the specific location you plan to visit offers diesel fuel. […]
Does Costco Gas Have Additives?

Costco gasoline contains additives that are designed to maintain engine cleanliness and fuel quality. While Costco does not typically specify the exact additives they use, their gasoline is formulated with deposit control additives. These additives are intended to clean the engine and help keep it in good condition. It’s worth noting that Costco’s gasoline meets […]
Costco Gas vs. Shell Gas: A Comparison

When it comes to choosing between Costco gas and Shell gas, there are a few factors to consider. Ultimately, fuel quality is similar across stations, so cost and convenience often guide the decision. Costco gas tends to be cheaper than gas from other retailers, including Shell [2]. Additionally, Costco gas, along with Shell and other […]