Does Costco Gas Ruin Your Car?

Why Costco gas is so cheap?

Costco can sell gas at between 6 cents and 12 cents below the market price, according to research firm Trefis.

It discounts gas in the hopes that people will fill up and then head over to its stores.

Gas is already a low-margin product, and climbing prices can turn gasoline into a money loser for the company..

What brands are top tier gasoline?

Chevron and QuikTrip were first, followed that same year by 76 Stations, Conoco, Phillips 66, Road Ranger, Kwik Trip/Kwik Star, Shell, and MFA Oil Company. Since then, many more gasoline distributors have met the proprietary standard and TOP TIER gasoline can now be found in gas stations all over the U.S. and Canada.

Is Shell gas Really Better?

The results showed that on average, Top Tier gasoline had 19 times fewer carbon deposits on injectors, intake valves, and in the combustion chamber when compared to regular gasoline. … Further, analyzing gas prices over a 12-month period found just a three cent price difference between non-Top Tier and Top Tier gasoline.

Who owns Costco now?

From December 2013, Costco’s board of directors was chaired by co-founder Jeffrey H. Brotman and included James Sinegal, co-founder and director, and two officers of the company: president/CEO W. Craig Jelinek and CFO Richard A. Galanti.

Is Costco gas bad for your car?

They all come out of the same tank. Essentially gas is gas, however octane is something different. I see no issues getting gas from Shell, Chevron, or Costco and fearing that it does damage to the engine. As long as you are using the proper octane for your vehicle nothing will change depending on “brand”.

Does Costco premium gas have ethanol?

Costco 91 has no ethanol in it as per their pumps. It is listed as a “Top Tier” gas so they would only be getting it from a couple of suppliers if so. Fuel consumption is not a sign of how “good” gas is. Usually if there’s ethanol in the fuel your consumption will go up.

Who has the best gas for your car?

Chevron. … Mobil. … Shell. … Marathon. … Exxon. … Sinclair. … Spot the iconic orange ball of a 76 gas station, and you’re in good hands. … Arco. Operating primarily on the West Coast, Arco stations are notable for their low fuel prices and not accepting credit cards.More items…•

Is Costco gas as good as Shell?

Costco gas is high quality. Top Tier certified, just like Shell. … Costco’s gas being “Top Tier” certified is the key. Yes, it really is better.

Is Costco gas considered top tier?

Costco’s gas may be the cheapest in town, but it’s still high-quality. Kirkland Signature fuel meets Top Tier standards, which means it has deposit control additives to clean your engine and help it run more efficiently.