Sidney Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Month Ago Avg. | $3.79 | $4.22 | $4.29 | $4.46 | - |
Highest Recorded Average Gas Price In Sidney Year to Date
| Price | Date | |
|---|---|---|
| Diesel | $4.46 | 06/17/26 |
| Regular | $3.79 | 09/08/26 |
Top 10 Gas Stations & Cheap Fuel Prices in Sidney
Town Pump in Sidney (3150 S Central Ave)
3150 S Central Ave, Sidney, Montana,
$4.09
Sep 23, 2026
0¢ Cashback
Town Pump in Sidney (3150 S Central Ave)
3150 S Central AveSidneyMontana59270USA
Loaf 'N Jug in Sidney (706 S Central Ave)
706 S Central Ave, Sidney, Montana,
$4.29
Sep 23, 2026
0¢ Cashback
Loaf 'N Jug in Sidney (706 S Central Ave)
706 S Central AveSidneyMontana59270USA
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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.