Best Credit Card for Walmart Gas Station in 2026
Walmart Gas Station is classified under MCC 5542 (Automated Fuel Dispensers). The best card for Walmart Gas Station purchases is the Ink Business Cash (no annual fee), earning 5x on automated fuel dispensers — an effective return of 10.25%.
Does Walmart Gas Station accept Mastercard? Yes — Walmart Gas Station accepts Mastercard and Visa at all pumps. American Express and Discover acceptance varies by location.
MCC 5542 covers automated fuel dispensers like those at Walmart Gas Stations, making it a key category for high rewards in travel and cash-back credit cards.
To maximize rewards, consider setting your car's home refueling station at Walmart and using your high-reward credit card for every fill-up.
Spending Math
If you spend $200 monthly on gas at Walmart with the Hilton Honors Surpass, you earn $12.00 each month compared to just $2.00 on a basic 1% card, adding up to $144 vs $24 annually.
Walmart Gas Station purchases are classified under MCC 5542 (Automated Fuel Dispensers).
MCC Details for Walmart Gas Station
Best Credit Cards for Walmart Gas Station (2026)
How Walmart Gas Station Codes on Your Statement
When you pay at Walmart Gas Station at their locations, your card issuer sees MCC 5542 in the transaction data. This code tells your bank that the purchase was made at a automated fuel dispensers merchant. Bonus reward rates on your card apply based on this MCC — not the merchant name itself.
If your card earns bonus points on "automated fuel dispensers" purchases, Walmart Gas Station transactions will qualify — even if your card terms only mention a category name and not Walmart Gas Station specifically. The key is that the MCC matches your card's bonus category definition.
You can verify the MCC on any Walmart Gas Station transaction by checking your card's mobile app or statement. Some issuers display the merchant category alongside the transaction details. For the most accurate information, contact your card issuer's customer service and ask whether MCC 5542 qualifies for bonus rewards.
Bonus Category Match — Walmart Gas Station
About MCC 5542: Automated Fuel Dispensers
Merchant Category Code 5542 is assigned by card networks (Visa, Mastercard, Amex, Discover) to classify businesses in the Automated Fuel Dispensers industry. Issuers use MCCs to determine which transactions qualify for bonus reward rates. When a merchant is assigned MCC 5542, all qualifying card programs that include automated fuel dispensers as a bonus category will apply the elevated earn rate.
The Retail industry group encompasses several related MCCs. Not all merchants in a similar business will share the same MCC — for example, a grocery store inside a warehouse club may code as wholesale ({"5300"}) rather than grocery ({"5411"}). Always verify with your issuer if you're unsure whether a specific merchant qualifies for bonus rewards on your card.
Other Automated Fuel Dispensers merchants: BJ's Gas, BJ's Gas Station, Costco Gas.
What You Could Earn at Walmart Gas Station
Spending $200/month at Walmart Gas Station with the Ink Business Cash (5x on automated fuel dispensers) earns approximately $120/year in rewards. A basic 1% card earns $24 on the same spending. That is $96 more per year with no annual fee.
Prefer no annual fee? The Custom Cash earns 5x at Walmart Gas Station merchants, earning $120/year with no annual fee.