Costco Gas Prices in Westminster, CO
1 Costco fuel center in Westminster · 0 of 1 sell diesel
Westminster Avg Regular
$3.399
per gallon
Westminster Avg Premium
$4.099
per gallon
Westminster Avg Diesel
Not sold at any station in Westminster
Westminster regular is$0.11belowthe Colorado average ($3.506)
vs U.S. average$0.53below($3.933)
Premium runs$0.70above regular on average