Best Credit Card for Gas in 2026

**Last updated:** 2026-03-13 | **Cards analyzed:** 20 Finding the right credit card for gas can significantly impact your rewards earnings. Whether you're maximizing cashback, building points for travel, or simply looking for the best value, choosing the right card matters. We analyzed 20+ credit cards to find the best options for gas in 2026. Our data-driven approach evaluates sign-up bonuses, rewards rates, annual fees, and real-world value to help you make an informed decision. **Bottom line:** Costco Anywhere Visa leads for gas at 4% back (up to $7,000/year). If you're already buying gas at Costco, this is the clear winner. Amex Blue Cash Everyday takes second place at 3% if you want broader everyday rewards without a Costco membership. ## Detailed Analysis ### 1. Costco Anywhere Visa Card by Citi - Best for Gas **Key specs:** - Sign-up bonus: $40 Digital Costco Shop Card after first purchase - Rewards rate: 4% on gas (up to $7K/year), 3% on restaurants and travel, 2% at Costco and Costco.com, 1% on everything else - Annual fee: $0 (requires Costco membership) - APR: 20.49%-29.49% variable **Why it wins:** 4% back on gas up to $7,000/year — that's up to $280 back annually just from filling your tank. If you're already a Costco member (and if you're buying gas at Costco, you should be — it's usually 20-40 cents cheaper per gallon), this card is a no-brainer. No annual fee beyond your existing membership. The 3% on restaurants and travel is a solid bonus on top. **Real-world scenario:** Spending $200/month on gas - Monthly rewards: $8.00 - Annual rewards: $96.00 - Annual fee: $0 (membership cost separate) - **Net annual value: $96.00**

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