Sinclair Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Week Ago Avg. | $3.9 | $3.68 | $3.93 | $4.72 | - |
| Month Ago Avg. | $3.93 | $3.71 | $3.96 | $4.75 | - |
Highest Recorded Average Gas Price In Sinclair Year to Date
| Price | Date | |
|---|---|---|
| Diesel | $4.8 | 06/15/26 |
| Regular | $4 | 06/15/26 |
Top 10 Gas Stations & Cheap Fuel Prices in Sinclair
Stinker in Sinclair (I-80 & Exit 221)
I-80 & Exit 221, Sinclair, Wyoming,
$4.02
Jul 19, 2026
0¢ Cashback
Stinker in Sinclair (I-80 & Exit 221)
I-80 & Exit 221SinclairWyoming82334US
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Gas Data Methodology
The fuel prices published in this guide are based on the results of research completed by Way.com’s data team. Using a mix of external and internal data, we analyzed millions of prices across U.S. ZIP codes and globally.