Costco Delaware Gas Prices

Costco operates 1 fuel center in Delaware, all in Newark. Across the state, regular gas averages $3.799 and premium runs about $0.680 higher at $4.479. Across the state, regular pump prices have eased about $0.100 over the past month, from $3.899 a month ago. Premium has eased about $0.150 over the same period.

If your vehicle takes premium, the lowest in Delaware is Costco Christiana in Newark at $4.479. 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.