Costco Gas Prices in Sun Prairie, Wisconsin
Sun Prairie · Warehouse #1121
2850 HOEPKER RD, Sun Prairie, Wisconsin 53590-9334
Prices updated: July 21, 2026 at 7:00 AM
Regular
$3.499
PRICE PER GALLON
Press
Premium
$4.549
PRICE PER GALLON
Press
Current gas prices at Costco #1121
This Costco gas station is located at 2850 HOEPKER RD in Sun Prairie, Wisconsin. The latest reported fuel prices are regular at $3.499/gal, premium at $4.549/gal. Prices were last updated on July 21, 2026 at 7:00 AM.
Get directions to this Costco gas station30-Day Price History
30-day change
Regular
$3.499−0.100 (2.8%)
Premium
$4.549−0.150 (3.2%)
DateRegPrem
Jul 21, 7:00 AM$3.499$4.549
Jul 17, 4:00 PM$3.499$4.699
Jul 16, 3:00 PM$3.499$4.599
Jul 11, 5:00 PM$3.499$4.499
Jul 1, 2:00 PM$3.559$4.559
Jun 28, 4:00 PM$3.599$4.699
Jun 28, 12:00 PM—$4.699
Jun 28, 11:00 AM$3.599$4.699
Jun 28, 10:00 AM—$4.699
Jun 28, 9:00 AM$3.599$4.699