Washington Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Month Ago Avg. | $3.61 | $4.03 | $4.26 | $4.51 | - |
Highest Recorded Average Gas Price In Washington Year to Date
| Price | Date | |
|---|---|---|
| Diesel | $4.51 | 06/15/26 |
| Regular | $3.61 | 07/25/26 |
Top 10 Gas Stations & Cheap Fuel Prices in Washington
Quick Chek in Washington (350 NJ-57 W)
350 NJ-57, Washington, New Jersey,
$4.31
Sep 19, 2026
0¢ Cashback
Quick Chek in Washington (350 NJ-57 W)
350 NJ-57WashingtonNew Jersey07882USA
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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.