Check Colorado gas prices today for regular, mid-grade, premium, and diesel fuel. The price tool below shows AAA-sourced daily averages, recent price movement, and a fill-up cost estimate for drivers across the Centennial State.
What Affects Colorado Gas Prices?
- High commuter and tourism demand along the Front Range and I-25 corridor
- Seasonal ski traffic and RV travel heading into the Rocky Mountains via I-70
- Supply logistics from regional refineries in Utah, Wyoming, and Texas
- High-altitude driving conditions and winter fuel blend requirements in mountain counties
- Delivery distances to remote, rural communities on the Western Slope and Eastern Plains
- Colorado’s state motor fuel tax and local market conditions
Colorado Gas Prices by Fuel Type
- Regular: The standard baseline fuel for most daily commuters and passenger vehicles.
- Mid-grade: Recommended for older high-compression engines or vehicles towing campers through mountain passes.
- Premium: Necessary for luxury, turbocharged, or high-performance vehicles to prevent engine knocking at high elevations.
- Diesel: Tracks closely with commercial freight, agricultural transport, and heavy-duty trucking across the state.
Colorado Gas Prices vs Nearby States
Regional borders in the Mountain West and Plains create noticeable price shifts. When planning cross-state trips, keep these comparisons in mind:
- Wyoming gas prices and Nebraska gas prices often differ due to varying state taxes and local supply chain dynamics.
- New Mexico gas prices and Utah gas prices fluctuate based on their respective refinery access, mountain transport costs, and regional demand.
- Kansas gas prices and Oklahoma gas prices may be lower depending on Mid-Continent pipeline supply and differing state fuel tax structures.
Tips for Getting Better Gas Prices in Colorado
- Compare station prices in Denver or Colorado Springs before heading onto rural stretches of I-70 or US-285.
- Fill up your tank before driving through remote, high-altitude areas in the San Juan Mountains or the Eastern Plains.
- Check your tire pressure regularly, especially before tackling steep mountain passes or during extreme winter cold.
- Stick to regular unleaded unless your vehicle’s manufacturer explicitly requires premium.
- Plan your diesel and fuel stops along major freight corridors before long commercial hauls.
- Avoid unnecessary idling in heavy I-25 commuter traffic or at scenic overlooks.
Colorado Gas Price FAQs
What is the average gas price in Colorado today?
The current daily averages for regular, mid-grade, premium, and diesel are displayed in the dynamic tool at the top of this page.
Why do Denver and Grand Junction gas prices differ?
Denver benefits from high station density and close proximity to Front Range distribution terminals, while Grand Junction faces higher transport costs over the Rocky Mountains and relies on different regional supply networks.
Does Colorado use special gasoline blends?
Colorado generally uses standard federal EPA fuel blends, though specific winter-grade formulations are required in certain mountain counties during cold months to reduce emissions and ensure proper engine starting at high elevations.
Is diesel included in Colorado gas price data?
Yes, the tool tracks Colorado diesel prices alongside unleaded options, which is essential for commercial truckers, agricultural transport, and RV travelers navigating the state’s freight corridors.
Why can rural areas in the mountains cost more at the pump?
Stations in remote mountain towns and ski resorts face less local competition and higher overhead costs for fuel delivery over long, difficult routes from major interstate distribution hubs.