Speedway Gas Prices in Thornton, CO
Updated April 5, 2026 — Prices updated regularly from EIA data
Speedway Regular Unleaded — Est. price in Thornton
About Speedway Fuel
Speedway, now part of the 7-Eleven family, operates high-volume fuel stations primarily in the Midwest, Southeast, and East Coast markets. Speedway's scale and purchasing power allow it to consistently price below local market averages. The chain is known for its large-format convenience stores with extensive food and beverage options alongside competitive fuel pricing.
Speedway Loyalty Program
Speedy Rewards is one of the largest loyalty programs in the convenience store industry with over 50 million members. Earn points on fuel, food, and merchandise redeemable for free items, fuel discounts, and more.
Brand Price Comparison in Thornton
| Brand | Est. Price | vs. Speedway |
|---|---|---|
| Costco | $2.87 | $-0.12 |
| Speedway THIS PAGE | $2.99 | — |
| Circle K | $3.00 | +$0.01 |
| Sunoco | $3.03 | +$0.04 |
| Marathon | $3.04 | +$0.05 |
| BP | $3.06 | +$0.07 |
| Mobil | $3.07 | +$0.08 |
| Exxon | $3.08 | +$0.09 |
| Shell | $3.10 | +$0.11 |
| Chevron | $3.12 | +$0.13 |
Speedway Prices in Nearby Cities
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