Big D Oil Co

SINCLAIR

Non-Ethanol (E0)

133 W Mount Rushmore Road

Custer, SD

South Dakota

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Available Fuel Types

⛽

Regular (E10)

Standard gasoline with 10% ethanol

87 oct

🟢

Non-Ethanol (E0)

Confirmed

Ethanol-free gasoline (E0) — ideal for boats, classic cars, and small engines

91 oct

Quick Info

State: South Dakota
Brand: SINCLAIR
Fuel Types: 1

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Data sourced from the DOE Alternative Fuels Data Center, OpenStreetMap, pure-gas.org, state records, and community reports. Station info may not reflect current conditions. See disclaimer.