Gas Prices in Bismarck, ND Today

Updated April 5, 2026 — Prices updated regularly from EIA data

$2.89

Average Regular Unleaded — Bismarck, North Dakota

Current Gas Prices in Bismarck

Regular unleaded in Bismarck, North Dakota costs approximately $$2.89 per gallon today. Bismarck's fuel market is competitive, with warehouse clubs and high-volume stations consistently undercutting the local average.

Fuel TypePrice / GallonGradeTrend
Regular Unleaded$2.8987 octane▲ Rising
Mid-Grade$3.3489 octane▲ Rising
Premium$3.6191-93 octane▲ Rising
Diesel$3.91N/A▲ Rising

Price Comparison

Bismarck Average
$2.89
Regular Unleaded
North Dakota State Average
$2.97
$0.08 below the North Dakota average
National Average
$3.99
$1.10 below the national average

About Gas Prices in Bismarck

Price variation within Bismarck is substantial — often 20-30 cents per gallon between the cheapest and most expensive stations in the same neighborhood. This spread makes price-checking apps genuinely valuable for Bismarck drivers. The savings on a 15-gallon fill-up at the low end vs. high end can exceed $4.

Gas Prices by Brand in This City

Estimated prices based on brand modifiers. Sorted cheapest to most expensive.

CHEAPEST
Costco
$2.74
Speedway
$2.86
Circle K
$2.87
Sunoco
$2.90
Marathon
$2.91
BP
$2.93
Mobil
$2.94
Exxon
$2.95
Shell
$2.97
Chevron
$2.99

Fuel Type Prices in This City

Regular Unleaded
87 octane
Premium Gasoline
91-93 octane
Diesel Fuel
N/A
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Frequently Asked Questions

Each gallon of gas in Bismarck, North Dakota includes 18.4 cents in federal excise tax plus {tax} cents in North Dakota state fuel tax — a combined {totalTax} cents per gallon. On a 15-gallon fill-up, you pay ${taxTotal} in fuel taxes alone.
Today's average gas price in Bismarck is $$2.89 per gallon for regular unleaded. Premium is approximately ${premPrice} and diesel runs ${dslPrice}. Individual station prices vary by 15-25 cents across the metro area.
The cheapest gas in Bismarck is typically found at warehouse clubs (Costco, Sam's Club), high-volume discount chains like Circle K and Speedway, and stations in commercial strips with multiple competitors. Our brand comparison table shows current estimated prices by major brand in Bismarck.
Bismarck's current average of $$2.89 compares to the North Dakota statewide average of $$2.97. Bismarck is $0.08 below the North Dakota average the state average, which is typical for a metro of its size and location.
Gas stations in Bismarck typically update prices 1-3 times per week in response to wholesale market changes. Prices generally dip early in the week and rise Thursday-Sunday. Following weekly trends helps identify optimal fill-up windows.

Related Gas Price Pages

Gas Prices in North DakotaCheapest Gas in BismarckGas Prices Near BismarckCompare All StatesRegular Unleaded in BismarckPremium Gasoline in BismarckDiesel Fuel in BismarckShell - BismarckExxon - BismarckBP - BismarckChevron - BismarckMobil - Bismarck