Costco Kentucky Gas Prices

Costco operates 4 fuel centers in Kentucky across 3 cities, with the largest cluster in Louisville (2 stations). Across the state, regular gas averages $3.767, premium runs about $0.887 higher at $4.654, and diesel sits at $5.899. The lowest-priced regular pump is at Costco Louisville in Louisville at $3.699, while Lexington in Lexington sits about $0.150 higher. Across the state, regular pump prices have eased about $0.345 over the past month, from $4.111 a month ago. Premium has eased about $0.433 and diesel has eased about $0.100 over the same period. Diesel is sold at 1 of the 4 Kentucky locations.

If your vehicle takes premium, the lowest in Kentucky is Costco Lexington in Lexington at $4.499. The cheapest diesel is at Costco Florence in Florence at $5.899. 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.