Check Montana 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 Treasure State.
What Affects Montana Gas Prices?
- Long delivery distances to remote, rural communities across the eastern plains and western mountains
- Heavy commercial trucking, agricultural freight, and mining transport along the I-90 and I-15 corridors
- Supply logistics from regional refineries in Utah, Washington, and Alberta, Canada
- Seasonal tourism and RV travel demand heading toward Glacier and Yellowstone National Parks
- Extreme winter cold requiring specialized winter fuel blends to prevent freezing and ensure engine starting
- Montana’s state motor fuel tax and local market conditions
Montana 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’s highway network.
Montana Gas Prices vs Nearby States
Regional borders in the Mountain West and Northern Plains create noticeable price shifts. When planning cross-state trips, keep these comparisons in mind:
- Idaho gas prices and Wyoming gas prices often differ due to varying state taxes, mountain transport costs, and local supply chains.
- North Dakota gas prices and South Dakota gas prices fluctuate based on their respective local oil production, refinery access, and regional demand.
- Cross-border commuters near Canada may also compare prices with British Columbia and Alberta, depending on exchange rates and local fuel rules.
Tips for Getting Better Gas Prices in Montana
- Compare station prices in Billings or Missoula before heading onto remote stretches of US-93 or I-94.
- Fill up your tank before driving through sparse, rural areas in eastern Montana or toward Glacier National Park.
- Check your tire pressure regularly, especially during extreme winter cold when pressure drops rapidly.
- 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 or agricultural hauls.
- Avoid unnecessary idling to warm up your car; modern engines only need 30 seconds before driving in the cold.
Montana Gas Price FAQs
What is the average gas price in Montana 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 Missoula and Billings gas prices differ?
Missoula relies heavily on Pacific Northwest and Idaho supply routes, while Billings has its own local refinery and benefits from different regional distribution networks, which can affect local pricing.
Why can rural areas in eastern Montana cost more at the pump?
Stations in remote plains towns face less local competition and higher overhead costs for fuel delivery over long, difficult routes from major interstate distribution hubs.
Is diesel included in Montana gas price data?
Yes, the tool tracks Montana diesel prices alongside unleaded options, which is essential for commercial truckers, agricultural transport, and RV travelers navigating the state’s freight corridors.
Does Montana use special gasoline blends?
Montana generally uses standard federal EPA fuel blends, though specific winter-grade formulations are required during extreme cold snaps to ensure proper engine starting and prevent fuel line freezing.
