Costco Indiana Gas Prices

Costco operates 9 fuel centers in Indiana across 7 cities, with the largest cluster in Indianapolis (3 stations). Across the state, regular gas averages $3.161 and premium runs about $1.018 higher at $4.179. The lowest-priced regular pump is at Costco Avon in Avon at $3.069, while Mishawaka in Granger sits about $0.180 higher. Across the state, regular pump prices have eased about $0.212 over the past month, from $3.373 a month ago. Premium has eased about $0.243 over the same period.

If your vehicle takes premium, the lowest in Indiana is Costco Evansville in Evansville at $3.979. Pump prices shift from one warehouse to the next with local taxes, fuel-blend rules, and transport costs, but Costco fuel is members-only and usually runs below nearby branded stations — which is what keeps these pumps busy.