Costco Gas Prices in Kennewick, Washington
Kennewick · Warehouse #486
8505 W. GAGE BLVD, Kennewick, Washington 99336-8120
Prices updated: September 5, 2026 at 9:00 PM
Regular
$5.099
PRICE PER GALLON
Press
Premium
$5.589
PRICE PER GALLON
Press
Current gas prices at Costco #486
This Costco gas station is located at 8505 W. GAGE BLVD in Kennewick, Washington. The latest reported fuel prices are regular at $5.099/gal, premium at $5.589/gal. Prices were last updated on September 5, 2026 at 9:00 PM.
Get directions to this Costco gas station30-Day Price History
30-day change
Regular
$5.099+0.400 (8.5%)
Premium
$5.589+0.390 (7.5%)
DateRegPrem
Sep 5, 9:00 PM$5.099$5.589
Sep 5, 7:00 PM$5.199$5.599
Sep 2, 3:00 PM$5.099$5.559
Sep 1, 4:00 PM$5.059$5.559
Sep 1, 3:00 PM$4.979$5.479
Aug 30, 4:00 PM$4.959$5.459
Aug 29, 8:00 PM—$5.459
Aug 29, 7:00 PM$4.959$5.459
Aug 27, 9:00 PM$4.959$5.379
Aug 26, 10:00 PM$4.979$5.459
Aug 26, 4:00 PM$4.999$5.459
Aug 23, 5:00 PM$4.999$5.399
Aug 22, 4:00 PM$4.979$5.399
Aug 21, 8:00 PM$4.979$5.359
Aug 21, 5:00 PM$4.899$5.269
Aug 19, 6:00 PM$4.769$5.269
Aug 18, 4:00 PM$4.699$5.199
Aug 17, 5:00 PM$4.669$5.169
Aug 16, 6:00 PM$4.669$5.159
Aug 15, 3:00 PM—$5.159
Aug 15, 2:00 PM$4.669$5.159
Aug 12, 10:00 PM$4.699$5.159
Aug 11, 5:00 PM$4.699$5.199
Aug 10, 9:00 PM$4.659$5.159
Aug 9, 1:00 PM—$5.159
Aug 9, 12:00 PM$4.659$5.159
Aug 8, 6:00 PM$4.699$5.199