Prosser Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Week Ago Avg. | $4.42 | $4.59 | $4.84 | $5 | - |
| Month Ago Avg. | $4.42 | $4.59 | $4.84 | $5 | - |
Highest Recorded Average Gas Price In Prosser Year to Date
| Price | Date | |
|---|---|---|
| Regular | $4.42 | 09/22/25 |
| Diesel | $5.03 | 09/15/25 |
Top 10 Gas Stations & Cheap Fuel Prices in Prosser
Conoco in Prosser (1825 Wine Country Rd)
1825 Wine Country Rd, Prosser, Washington,
$4.69
Oct 23, 2025
0¢ Cashback
Conoco in Prosser (1825 Wine Country Rd)
1825 Wine Country RdProsserWashington99350USA
Love's Travel Stop in Prosser (700 Wine Country Rd)
700 Wine Country Rd, Prosser, Washington,
$4.69
Oct 23, 2025
0¢ Cashback
Love's Travel Stop in Prosser (700 Wine Country Rd)
700 Wine Country RdProsserWashington99350USA
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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.