Madeen merchant guide

Sinclair Dino Mart

For Sinclair Dino Mart, Wyndham Rewards Earner® Business leads the current Madeen snapshot at about 7.2% in the gas category. Compare the ranked table below, then read the coding caveats before checkout. Madeen summarizes catalog reward rules for comparison only; issuer pages control current fees, caps, exclusions, and eligibility.

Wyndham Rewards Earner® Business7.2%
7.2% effective rateGas

Catalog winner: Wyndham Rewards Earner® Business at 7.2%. Own cards in Madeen? iOS App for checkout picks from your wallet.

Spend category: gas Cards ranked: 10 Google category: Gas Station

Wyndham Rewards Earner® Business is the catalog winner at Sinclair Dino Mart (7.2%). Wyndham Rewards Earner® Plus is the runner-up at 5.4% if you already carry it. Gas coding can differ between pumps, convenience stores, warehouse-club fuel stations, and EV-adjacent merchants.

Rankings

Which cards rank best for Sinclair Dino Mart?

Best cards at Sinclair Dino Mart
Card Issuer Effective rate Annual fee
Wyndham Rewards Earner® Business Barclays 7.2% $95
Wyndham Rewards Earner® Plus Barclays 5.4% $75
Abound Visa® Platinum Abound Credit Union 5% $0
AAA Travel Advantage Visa Signature® Comenity 5% $0
Credit One Bank® Platinum X5 Visa Signature Credit One 5% $95
U.S. Bank Altitude® Connect Visa Signature® U.S. Bank 4% $0
U.S. Bank Business Altitude™ Connect Visa Signature® U.S. Bank 4% $95
Business Gold American Express 2.4% $375
Discover it® Cash Back Discover 1% $0
NHL® Discover It® Discover 1% $0
Merchant guide

What is the best card for Sinclair Dino Mart?

Sinclair Dino Mart is usually best judged by the category it posts under rather than the store name alone. Madeen shows the spend-category-specific winners and the broader category guide in one place. Madeen summarizes catalog reward rules for comparison only; issuer pages control current fees, caps, exclusions, and eligibility.

Merchant guide

Which cards rank best for Sinclair Dino Mart?

Wyndham Rewards Earner® Business leads the current snapshot for Sinclair Dino Mart at about 7.2%. The table below orders the top matches by category-specific effective rate and popularity. Madeen summarizes catalog reward rules for comparison only; issuer pages control current fees, caps, exclusions, and eligibility.

Merchant guide

What coding caveats matter for Sinclair Dino Mart?

Gas coding can differ between pumps, convenience stores, warehouse-club fuel stations, and EV-adjacent merchants. Confirm the exact posting category before assuming the gasoline multiplier applies. Madeen summarizes catalog reward rules for comparison only; issuer pages control current fees, caps, exclusions, and eligibility.

Merchant guide

What is the safest fallback card?

When the merchant code is uncertain, a broad flat-rate or backup category card can be safer than chasing a narrow bonus that may not post the way you expect. Madeen summarizes catalog reward rules for comparison only; issuer pages control current fees, caps, exclusions, and eligibility.

Frequently asked questions

What is the best credit card for Sinclair Dino Mart?

Wyndham Rewards Earner® Business leads at about 7.2% for Sinclair Dino Mart. The ranked table below compares category-specific effective rates for Sinclair Dino Mart; issuer terms still control caps, exclusions, and eligibility. Madeen summarizes catalog reward rules for comparison only; issuer pages control current fees, caps, exclusions, and eligibility.

How does Sinclair Dino Mart merchant coding affect rewards?

Gas coding can differ between pumps, convenience stores, warehouse-club fuel stations, and EV-adjacent merchants. Confirm the exact posting category before assuming the gasoline multiplier applies. At Sinclair Dino Mart, the posted merchant code matters more than the store name on your receipt.

Should I trust the store name or the merchant code?

Trust the merchant code and issuer terms first. The store name is a clue, but the posted code is what usually decides which category bonus applies at Sinclair Dino Mart. Madeen summarizes catalog reward rules for comparison only; issuer pages control current fees, caps, exclusions, and eligibility.

Can I use the broader category guide instead of this Sinclair Dino Mart page?

Yes. The gas category guide is the safer fallback when you want the general rule, while this page narrows the answer to cards most likely to win at Sinclair Dino Mart. Madeen summarizes catalog reward rules for comparison only; issuer pages control current fees, caps, exclusions, and eligibility.

Issuer names, card product names, and related marks are trademarks of their respective owners. Madeen is not affiliated with, sponsored by, or endorsed by any card issuer. Madeen is an independent credit-card comparison and education service.

Madeen analysis. Data from catalog snapshot 2026-06-09. Last reviewed 2026-06-09. Reviewed by Madeen editorial review. Issuer pages control rewards, fees, benefits, and eligibility.