Cheapest Costco Gas Prices in Union Gap, WA
1 Costco Station
WA Avg. Gas Prices
| Regular | Mid-Grade | Premium | Diesel | |
|---|---|---|---|---|
| Current Avg. | $5.705 | $5.941 | $6.195 | $6.836 |
| Yesterday Avg. | $5.673 | $5.901 | $6.157 | $6.829 |
| Week Ago Avg. | $5.513 | $5.750 | $5.996 | $6.855 |
| Month Ago Avg. | $5.379 | $5.641 | $5.899 | $6.804 |
| Year Ago Avg. | $3.978 | $4.248 | $4.488 | $4.763 |