Sam's Club Gas Prices in Castle Rock, Colorado Today
5940 Promenade Parkway, Castle Rock, CO 80108
The Sam's Club fuel station in Castle Rock, Colorado is one of the most cost-effective places to purchase diesel in the area. Diesel is currently $5.589 per gallon, with regular unleaded at $3.869. All prices are updated daily from live pump data. A Sam's Club membership ($50/year) is required to purchase fuel at this location. Truck drivers, fleet operators, and diesel vehicle owners typically save 10–30 cents per gallon compared to nearby retail stations — use the fuel cost calculator to see what that means for your annual mileage.
Today's Prices
Updated 12 min agoMembership required. You need an active membership to purchase fuel at this location.
Colorado Regular Gas Price Trend (30 days)
Source: EIAStation Information
- Address
- 5940 Promenade Parkway, Castle Rock, CO 80108
- Weekday Hours
- N/A
- Saturday
- N/A
- Sunday
- N/A
- Membership
- Required — $50/year
Location
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Frequently Asked Questions — Sam's Club Castle Rock
Yes — this Sam's Club location in Castle Rock, CO carries diesel fuel, currently priced at $5.589 per gallon. Diesel is available at a designated pump island, which may also serve commercial and fleet vehicles.
Pro Tips for Castle Rock Sam's Club Gas
- 1
Diesel pump location: At most Sam's Club locations, diesel pumps are on a separate island — often at the end of the fueling canopy or in a dedicated commercial lane. Look for the yellow or black diesel nozzle handle.
- 2
Best time for diesel: Weekday mornings (Tuesday–Thursday, 7–9 AM) have the shortest wait times at this Castle Rock location. Diesel lanes generally move faster than gasoline lanes because fewer vehicles use them.
- 3
Track prices before your route: Sam's Club updates diesel prices daily based on wholesale distillate costs. If you're planning a long haul through Castle Rock, bookmark this page and check the price the morning of your trip.
- 4
Maximize fleet savings: Stack your Sam's Club membership discount with a commercial fleet card or cash-back credit card. The Costco Anywhere Visa gives 4% back on fuel purchases (up to $7,000/year). Sam's Club Mastercard returns 5% on fuel. On high-volume diesel fills, those percentages add up quickly.
Nearby Stations
Quick Facts
- ✓Prices updated daily
- ✓Extended hoses reach both sides
- ✓Diesel available
- ✓Sam's Club membership required