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Sinclair Gas Station Circle

Fuel Only - No Convenience Store

Operating Hours

Available Fuels

  • Unleaded

Services & Amenities

  • Pumps Open 24 Hours
  • Air

Bring DINO Home

Unleash your inner DINO fan! Explore our merch store for epic DINO-themed gear that lets you show off your prehistoric passion in style.
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Fuel Savings Made Easy

Put DINO in your pocket with our free mobile app. Get directions to nearby stations and save on every gallon at participating locations.
Put DINO in your pocket with our free mobile app. Get directions to nearby stations and save on every gallon at participating locations.

Fill-Up with Clean

Sinclair’s powerful, high-quality additive, DINOCARE® is a registered TOP TIER™ gasoline that satisfies the requirements of today’s most advanced engines.
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Sinclair Fleet Track fueling credit card

Sign up for our Fleet Track Card Today!

Big savings to fuel your business. Save up to 4¢ per gallon at over 1,600 Sinclair locations.
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About Sinclair in Circle

Fueling up in Circle is a breeze with Sinclair. WE offer top-quality fuels with DINOCARE® to keep your vehicle running smoothly. Pay effortlessly at the pump with our DINOPAY® app. Whether you're a local or just passing through, Sinclair Gas Stations in Circle, MT, provide a reliable, efficient fueling. Visit a Sinclair gas station today and experience the Sinclair difference.
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