Ohio diesel prices today
Ohio diesel prices todayDiesel averages $6.63 a gallon in Ohio on 2 October 2026 — the 9th most expensive of 51 states, and down $0.15 on the week.
Ohio against the other states
$0.27 a gallon above 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 Ohio is $4.16, so diesel costs $2.47 more per gallon — and more than premium at $5.25.
Tax on a gallon of diesel
$0.24 federal + $0.47 Ohio · 11th highest of 51. The rest — about $5.92 — 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 Ohio
AAA's diesel averages for 14 Ohio metro areas, cheapest first — $0.26 a gallon between the two ends.
| Metro area | Diesel | vs state |
|---|---|---|
| Toledo | $6.50 | −$0.13 |
| Belmont County | $6.52 | −$0.11 |
| Lawerence County | $6.52 | −$0.11 |
| Mansfield | $6.54 | −$0.09 |
| Lima | $6.57 | −$0.06 |
| Dayton | $6.57 | −$0.06 |
| Canton & Massillon | $6.59 | −$0.04 |
| Springfield | $6.60 | −$0.03 |
| Youngstown & Warren | $6.62 | −$0.01 |
| Steubenville | $6.62 | −$0.01 |
| Cincinnati | $6.62 | −$0.01 |
| Akron | $6.63 | +$0.00 |
| Cleveland, Lorain & Elyria | $6.74 | +$0.11 |
| Columbus | $6.76 | +$0.13 |
Show the data as a table
What a diesel fill-up costs in Ohio
- Diesel car or SUV — 18 gal$119.34
- Heavy-duty pickup — 34 gal$225.42
- Box truck — 60 gal$397.80
- Semi truck, two tanks — 250 gal$1,657.50
Diesel in neighbouring states
More for Ohio
Frequently asked questions
How much is diesel in Ohio today?
$6.63 a gallon, AAA's Ohio average for 2 October 2026 — the 9th most expensive of 51 states. Regular gasoline is $4.16, so diesel costs $2.47 more per gallon.
Are diesel prices going up in Ohio?
Diesel is down $0.15 (2.2%) on a week ago, and up $2.96 on a year ago, when it was $3.67, on AAA's own earlier averages.
Where is diesel cheapest in Ohio?
Of the 14 metro areas AAA reports in Ohio, Toledo has the cheapest diesel at $6.50 a gallon and Columbus the dearest at $6.76. Individual stations vary around these averages.
How much is the diesel tax in Ohio?
$0.71 a gallon: $0.24 federal plus $0.47 in Ohio state taxes and fees, the 11th highest of 51. The state average is $0.36. Rates as of 1 January 2026.
Is diesel cheaper in a neighbouring state?
Yes — Kentucky ($6.23, $0.40 less), West Virginia ($6.44, $0.19 less), Pennsylvania ($6.57, $0.06 less). On a 100-gallon fill that is up to $39.90; whether it is worth the drive depends on how far the border is.