Costco Nevada Gas Prices

Costco operates 9 fuel centers in Nevada across 5 cities, with the largest cluster in Las Vegas (4 stations). Across the state, regular gas averages $4.921, premium runs about $0.531 higher at $5.452, and diesel sits at $6.659. The lowest-priced regular pump is at Costco Spring Valley in Las Vegas at $4.659, while Sparks in Sparks sits about $0.700 higher. Across the state, regular pump prices have eased about $0.059 over the past month, from $4.980 a month ago. Premium has eased about $0.053 and diesel has eased about $0.340 over the same period. Diesel is sold at 1 of the 9 Nevada locations.

If your vehicle takes premium, the lowest in Nevada is Costco Carson City in Carson City at $5.099. The cheapest diesel is at Costco Sparks in Sparks at $6.659. 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.