Sidney Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Week Ago Avg. | $3.69 | $3.97 | $4.02 | $4.23 | - |
| Month Ago Avg. | $3.69 | $3.97 | $4.02 | $4.23 | - |
Highest Recorded Average Gas Price In Sidney Year to Date
| Price | Date | |
|---|---|---|
| Regular | $3.69 | 03/18/26 |
| Diesel | $4.23 | 01/10/26 |
Top 10 Gas Stations & Cheap Fuel Prices in Sidney
Town Pump in Sidney (3150 S Central Ave)
3150 S Central Ave, Sidney, Montana,
$3.18
Apr 03, 2026
0¢ Cashback
Town Pump in Sidney (3150 S Central Ave)
3150 S Central AveSidneyMontana59270USA
Exxon in Sidney (2201 W Holly St)
2201 W Holly St, Sidney, Montana,
$3.38
Apr 03, 2026
0¢ Cashback
Exxon in Sidney (2201 W Holly St)
2201 W Holly StSidneyMontana59270USA
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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.