Costco Gas Guides
In-depth, data-backed guides on Costco gas hours, pricing, and locations — written for members who want accurate information before they fill up.
5 min read
Costco Gas Station Hours: What Time Do They Open and Close?
Most Costco gas stations open at 6 AM on weekdays and close at 10 PM. Sunday hours are shorter. This guide covers the full national schedule, holiday closures, and how to verify your local station's hours.
Read guide →
6 min read
Why Is Costco Gas Cheaper? Pricing, Membership, and Quality Explained
Costco gas is consistently 10–25 cents cheaper per gallon. Learn how the membership model keeps prices low, what TOP TIER certification means for your engine, and which payment methods are accepted.
Read guide →
5 min read
Costco Gas Stations by State: Full Coverage Guide (2025)
There are 493 Costco gas stations across 46 US states. California leads with 111 locations. Find out which states have the most — and least — coverage, and how to find the station nearest to you.
Read guide →