Diesel Fuel Prices in Great Falls, MT
Updated April 5, 2026 — Prices updated regularly from EIA data
$4.30
Diesel Fuel (N/A octane) per gallon
About Diesel Fuel in Great Falls
Commercial and passenger diesel users in Great Falls pay $$4.30 per gallon. Diesel's energy content — about 10-15% more BTU per gallon than gasoline — means more miles per gallon even before accounting for engine efficiency advantages.
When to Use Diesel Fuel
Best for: commercial and towing
Vehicle types: diesel trucks and commercial vehicles
Fuel Price Comparison in Great Falls
| Fuel Type | Price | vs. Diesel Fuel | Octane |
|---|---|---|---|
| Regular Unleaded | $3.18 | $-1.12 | 87 |
| Premium Gasoline | $3.97 | $-0.33 | 91-93 |
| Diesel Fuel THIS PAGE | $4.30 | — | N/A |
Diesel Fuel in Nearby Cities
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