Minnesota diesel prices today
Minnesota diesel prices todayDiesel averages $6.21 a gallon in Minnesota on 2 October 2026 — the 32nd most expensive of 51 states, and down $0.12 on the week.
Minnesota against the other states
$0.15 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 Minnesota is $4.24, so diesel costs $1.97 more per gallon — and more than premium at $5.26.
Tax on a gallon of diesel
$0.24 federal + $0.32 Minnesota · 25th highest of 51. The rest — about $5.65 — 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 Minnesota
AAA's diesel averages for 8 Minnesota metro areas, cheapest first — $0.39 a gallon between the two ends.
| Metro area | Diesel | vs state |
|---|---|---|
| St. Cloud | $5.98 | −$0.23 |
| Mankato | $6.01 | −$0.20 |
| Moorhead | $6.11 | −$0.10 |
| Polk County | $6.22 | +$0.01 |
| Minneapolis & St. Paul | $6.24 | +$0.03 |
| Rochester | $6.27 | +$0.06 |
| Houston County | $6.28 | +$0.07 |
| Duluth | $6.37 | +$0.16 |
Show the data as a table
What a diesel fill-up costs in Minnesota
- Diesel car or SUV — 18 gal$111.78
- Heavy-duty pickup — 34 gal$211.14
- Box truck — 60 gal$372.60
- Semi truck, two tanks — 250 gal$1,552.50
Diesel in neighbouring states
More for Minnesota
Frequently asked questions
How much is diesel in Minnesota today?
$6.21 a gallon, AAA's Minnesota average for 2 October 2026 — the 32nd most expensive of 51 states. Regular gasoline is $4.24, so diesel costs $1.97 more per gallon.
Are diesel prices going up in Minnesota?
Diesel is down $0.12 (1.8%) on a week ago, and up $2.62 on a year ago, when it was $3.59, on AAA's own earlier averages.
Where is diesel cheapest in Minnesota?
Of the 8 metro areas AAA reports in Minnesota, St. Cloud has the cheapest diesel at $5.98 a gallon and Duluth the dearest at $6.37. Individual stations vary around these averages.
How much is the diesel tax in Minnesota?
$0.56 a gallon: $0.24 federal plus $0.32 in Minnesota state taxes and fees, the 25th 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, $0.18 less), North Dakota ($6.09, $0.12 less), Iowa ($6.09, $0.12 less). On a 100-gallon fill that is up to $18.20; whether it is worth the drive depends on how far the border is.