Costco Gas Prices in Plano, TX

Plano, Texas has 2 Costco fuel centers serving members in the area. Across Plano, regular gas averages $3.274 and premium runs about $0.555 higher at $3.829. That's about $0.099 below the Texas statewide average of $3.373. Within Plano, Costco E Plano posts the lowest regular at $3.249 and W Plano the highest at $3.299 — a $0.050 spread worth checking before you fuel up. Across Plano, regular pump prices have held roughly flat over the past month. Premium has eased about $0.150 over the same period. None of the Plano Costco fuel centers currently sell diesel.