Circle K Fuel Card Review: Is it the Right Gas Card for Your Business?

If your fleet fuels regularly at Circle K, the Circle K fuel card can be a simple way to earn discounts while keeping tighter control over your fuel spend. Issued through WEX, it combines per-gallon rebates at Circle K locations with spending controls, fraud protection, and reporting tools designed for business use. 

In this Circle K fuel card review, we’ll break down how the card works, where it’s accepted, what discounts you can expect, and what fees to watch for. We’ll also walk through the controls and reporting features, outline the biggest pros and cons, and provide some alternative fuel cards so you can decide if it’s the right fit for your business.

Circle K Fuel Card: Overview

What Is the Circle K Fuel Card?

The Circle K fuel card is a branded business fuel card issued through WEX, built for companies that fuel primarily at Circle K locations and want fuel discounts, card controls, and fuel reporting. It gives fleet managers a way to manage fuel spend, set limits for drivers, and track transactions without relying on manual fuel expense tracking with paper receipts.

Circle K offers two versions of the card. The Circle K Fleet Card is limited to Circle K stations only and has fewer fees than the Universal option. The Circle K Universal Fuel Card expands acceptance to Circle K locations plus the broader WEX network, giving fleets access to about 95% of fuel stations nationwide. However, this card comes with some additional fees.

Both options run on the WEX platform, so you get spend controls, fraud monitoring, and reporting tools, with the main difference coming down to how much station flexibility your fleet requires.

Where Is the Circle K Fuel Card Accepted?

The Circle K Universal fuel card works at 6,000+ Circle K locations, plus the broader WEX network, so you get access to 95% of fuel stations nationwide. The Circle K Fleet Card is only accepted at Circle K locations. Use the links below to find locations near you that accept each card.

• Circle K Universal (Circle K + WEX locations): Find WEX locations
• Circle K Fleet Card (Circle K locations): Find Circle K locations
  
  

Circle K Fuel Card Discounts

The Circle K fuel card has an introductory discount of 10¢ per gallon when you open a new account. They also offer ongoing discounts, but you'll need to get fill out the quote form on their website with your fleet details to get your custom discount.

Circle K Fuel Card Fees

The Circle K fuel card has slightly different fee structures depending on which version of the card you choose, the Circle K Universal or the Circle K Fleet Card. Below is a breakdown of the fees for each option.

Circle K Fuel Card Controls and Reporting

Controls

• Dynamic Prompt: Requires the driver to log into the WEX CardControl app to generate a one-time authorization code that must be entered at the pump before fueling.
• PIN: Custom number assigned to each card or driver. A valid PIN must be entered to enable fueling.
• Transactions per time period: Number of fuel transactions permitted on each card per time period.
• Dollars per transaction: Dollar amount a driver can purchase per transaction.
• Dollars per day or week: The number of dollars a driver can purchase in a day or week.
• Day of week: Days when a card can be used.
• Time of day: Hours when a card can be used.
• Fraud protection: 24/7 fraud monitoring.

Reporting

• Real-time monitoring: Spending alerts sent immediately after each transaction.
• Purchase activity report: Monitor all fuel and maintenance purchases.
• Custom reports: Set your own criteria to create custom exception, transaction summary, and transaction detail reports.
• Summary reports: Run financial summary, site summary, and exception summary reports.
• Tax exemption reports: For qualified tax-exempt businesses, view tax information at both the transaction and summary level, and include all tax exemptions that can be applied to your account.
  
  

Pros and Cons of the Circle K Fuel Card

Pros

• Discounts at Circle K locations
• Easy fuel card management portal

Cons

• Out-of-network transaction fees at truck stops
  
  

Circle K Fuel Card Alternatives

If you want to see how the Circle K fuel card stacks up against other options, check out our list of the best universal gas cards.

One strong alternative is the Voyager fuel card, which offers:

• Accepted at 97% of fuel stations
• No monthly card fees, account setup fees, late fees, or extended network fees
• Trustpilot rating: 4.8/5
• Free fraud loss coverage