North Dakota diesel prices today
Diesel averages $6.09 a gallon in North Dakota on 2 October 2026 — the 35th most expensive of 51 states, and down $0.13 on the week.
North Dakota against the other states
$0.27 a gallon below the unweighted mean of AAA's 51 state averages ($6.36). The cheapest diesel is in Texas at $5.79, the dearest in California at $8.38.
Regular gas in North Dakota is $4.19, so diesel costs $1.90 more per gallon — and more than premium at $5.26.
Tax on a gallon of diesel
$0.24 federal + $0.23 North Dakota · 45th highest of 51. The rest — about $5.62 — is the fuel itself, refining, distribution and the retailer’s margin.
Rates as of 1 January 2026. Local taxes, where they apply, are not included.
Diesel prices by city in North Dakota
AAA's diesel averages for 4 North Dakota metro areas, cheapest first — $0.13 a gallon between the two ends.
| Metro area | Diesel | vs state |
|---|---|---|
| Fargo | $5.97 | −$0.12 |
| Bismarck | $6.03 | −$0.06 |
| Grand Forks | $6.05 | −$0.04 |
| Minot | $6.10 | +$0.01 |
Show the data as a table
What a diesel fill-up costs in North Dakota
- Diesel car or SUV — 18 gal$109.60
- Heavy-duty pickup — 34 gal$207.03
- Box truck — 60 gal$365.34
- Semi truck, two tanks — 250 gal$1,522.25
Diesel in neighbouring states
More for North Dakota
Frequently asked questions
How much is diesel in North Dakota today?
$6.09 a gallon, AAA's North Dakota average for 2 October 2026 — the 35th most expensive of 51 states. Regular gasoline is $4.19, so diesel costs $1.90 more per gallon.
Are diesel prices going up in North Dakota?
Diesel is down $0.13 (2.2%) on a week ago, and up $2.64 on a year ago, when it was $3.45, on AAA's own earlier averages.
Where is diesel cheapest in North Dakota?
Of the 4 metro areas AAA reports in North Dakota, Fargo has the cheapest diesel at $5.97 a gallon and Minot the dearest at $6.10. Individual stations vary around these averages.
How much is the diesel tax in North Dakota?
$0.47 a gallon: $0.24 federal plus $0.23 in North Dakota state taxes and fees, the 45th highest of 51. The state average is $0.36. Rates as of 1 January 2026.
Is diesel cheaper in a neighbouring state?
Yes — South Dakota ($6.03, $0.06 less). On a 100-gallon fill that is up to $6.10; whether it is worth the drive depends on how far the border is.
