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Circle K

E85 · Convenience store · 5602 UTSA Blvd, San Antonio, TX 78249

DirectionsCall (210) 641-2597

Flex-fuel vehicles only. E85 is not approved for gasoline-only cars. How to check yours. Pumps can change or be out of service, so call ahead if you can.

Hours

24 hours daily; Also accepts Valero Fleet Card

As listed in the station locator. The E85 pump can have different hours from the store.

Fuel

E85: Yes

Blender pump: Not listed

Other ethanol blends: None listed

Which blends can my car use?

Paying

American Express, Cash, Checks, Discover, Mastercard, Station card, Visa, Voyager, WEX

Getting there

IH-10 E Access Rd and UTSA Blvd

Last confirmed: Sep 14, 2026

Source: US Department of Energy, Alternative Fuels Data Center station locator, station 44654. See the AFDC record. Downloaded Oct 29, 2026.

Report a change to this station

Other E85 stations nearby

All E85 stations in San Antonio