Speedi Mart - SINCLAIR
3490 E. Sunnyside, Idaho Falls ID
208-529-3298
Ethanol-free octane ratings: 91
GPS coordinates: N 43.46746 W 111.96235 (entered by Lena)
Updated by Lynell Averett, September 07, 2018 21:53 CDT
Premium ethanol free is the only kind available and they are proud of it at 3.69 a gallon
Posted by Lena, April 10, 2015 17:05 CDT
Locally owned, consistently cheaper than the other ethanol free premium stations by $.20 - $.30 per gallon