Costco Connecticut Gas Prices

Costco operates 7 fuel centers in Connecticut, spread across 7 cities. Across the state, regular gas averages $4.060 and premium runs about $0.899 higher at $4.959. The lowest-priced regular pump is at Costco New Britain in New Britain at $3.929, while E Lyme in East Lyme sits about $0.270 higher. Across the state, regular pump prices have eased about $0.193 over the past month, from $4.253 a month ago. Premium has eased about $0.054 over the same period.

If your vehicle takes premium, the lowest in Connecticut is Costco Brookfield in Brookfield at $4.739. 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.