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Collaboratively introduced in 2004 by General Motors, BMW, Toyota, and Honda, TOP TIER™ Approved Gasoline and Diesel have become synonymous with exceptional fuel quality and engine care. Now, they are joined by seven more leading auto manufacturers including Audi, Daimler Truck, Ford, Mercedes-Benz, Navistar, Stellantis, Subaru of America, and Volkswagen.
- How to Become Licensed
Complete and sign the TOP TIER™ License Agreement, which...
- Consumers
A fuel is TOP TIER™ Approved Gasoline or TOP TIER™ Approved...
- News
For TOP TIER™ Approved Diesel qualification, provide...
- Gasoline
Licensed TOP TIER™ Gasoline Retailers must adhere to the...
- Diesel
TOP TIER™ Diesel Fuel suppliers take measures to protect...
- Why Top Tier
TOP TIER™ Approved Diesel was created to promote better fuel...
- Requirements of a Top Tier Sponsor
The detergency package is validated at an independent ISO...
- Frequently Asked Questions
The TOP TIER ™ Program strives to keep the annual operating...
- How to Become Licensed
Jan 11, 2024 · When you fill up your tank at Costco, you’re not just taking advantage of competitive gas prices; you’re also getting fuel that has passed rigorous quality standards. Costco’s gasoline comes from various sources including refineries and wholesale regional distributors. This large-volume purchasing strategy enables Costco to offer lower ...
- Anthony Hazzard
- It’s for Costco Members Only (With One Exception) Costco gas is available to Gold Star, Executive, and Business memberships, making it a great perk to their members.
- Prices Are Typically Competitive. Does your Costco have a gas station? If so, you can easily track prices from the Costco website or app. If you have the Costco app, open the app, click “warehouse,” and click “see warehouse details.”
- It Doesn’t Matter What Side Your Gas Tank Is On. As you pull up to the pump, here is an important tip to remember: It doesn’t matter what side your gas tank is on.
- Stations Can Get Busy. Even though Costco has thought through ways to curb the congestion at their pumps, it can still be busy due to the low prices.
I know this is the Costco subreddit, and I love Costco, but anecdotally, their gas has not been top tier in my experience. Now, I have only used their premium fuel (93 East coast, 91 West coast) in my car, but I certainly get more negative ignition correction and knock with premium Costco fuel compared to BP and Chevron premium fuel.
While Top Tier fuel may cost a bit more, you’re likely to save more overall at the pump if you fill up at a warehouse store — like Costco and Sam’s Club — than at a regular gas station ...
“TOP TIER™ Detergent Gasoline is the optimal standard for gasoline detergency. Ten of the world's top automakers, BMW, General Motors, Fiat Chrysler Automobiles, Ford, Honda, Toyota, Volkswagen, Mercedes-Benz, Navistar, and Audi recognize that the current EPA minimum detergent requirements do not go far enough to ensure optimal engine cleaning performance.”
People also ask
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Costco in San Diego, CA. Carries Regular, Premium. Has Membership Pricing, Pay At Pump, Membership Required. Check current gas prices and read customer reviews. Rated 4.5 out of 5 stars.
