Sunoco Gas Prices in Boulder, CO

Sunoco Go Rewards program lets members earn points on fuel and convenience store purchases. Redeem for fuel discounts and store items. Compatible with the MySunoco app for easy tracking. Co-branded credit cards from major fuel brands typically offer 3-5% back on gas purchases at that brand's stations.

TOP TIER certification means a fuel brand's additives exceed EPA minimum detergency standards. This designation is recognized by major automakers including GM, Ford, BMW, and Toyota as beneficial for long-term engine health.

Sunoco operates fuel stations primarily in the Northeast, Mid-Atlantic, and Southeast United States. Known historically as the fuel of NASCAR, Sunoco offers a range of fuel grades including its premium Ultra93 formulation. Sunoco stations provide reliable quality fuel with a heritage rooted in American motorsports. The key differentiator for Sunoco fuel is its proprietary additive package, specifically formulated to clean fuel injectors, intake valves, and combustion chambers.

Sunoco typically prices above Costco's member-only rates. Costco fuel is consistently 15-25 cents below street prices from brands including Sunoco. For membership holders, Costco is almost always the cheapest option.