Kansas diesel prices today
Diesel averages $6.08 a gallon in Kansas on 2 October 2026 — the 37th most expensive of 51 states, and down $0.14 on the week.
Kansas against the other states
$0.28 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 Kansas is $4.09, so diesel costs $2.00 more per gallon — and more than premium at $4.81.
Tax on a gallon of diesel
$0.24 federal + $0.27 Kansas · 39th highest of 51. The rest — about $5.57 — 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 Kansas
AAA's diesel averages for 5 Kansas metro areas, cheapest first — $0.08 a gallon between the two ends.
| Metro area | Diesel | vs state |
|---|---|---|
| Kansas City | $6.03 | −$0.05 |
| Lawrence | $6.08 | −$0.00 |
| Manhattan | $6.08 | −$0.00 |
| Wichita | $6.11 | +$0.03 |
| Topeka | $6.12 | +$0.04 |
Show the data as a table
What a diesel fill-up costs in Kansas
- Diesel car or SUV — 18 gal$109.44
- Heavy-duty pickup — 34 gal$206.72
- Box truck — 60 gal$364.80
- Semi truck, two tanks — 250 gal$1,520.00
Diesel in neighbouring states
More for Kansas
Frequently asked questions
How much is diesel in Kansas today?
$6.08 a gallon, AAA's Kansas average for 2 October 2026 — the 37th most expensive of 51 states. Regular gasoline is $4.09, so diesel costs $2.00 more per gallon.
Are diesel prices going up in Kansas?
Diesel is down $0.14 (2.3%) on a week ago, and up $2.65 on a year ago, when it was $3.43, on AAA's own earlier averages.
Where is diesel cheapest in Kansas?
Of the 5 metro areas AAA reports in Kansas, Kansas City has the cheapest diesel at $6.03 a gallon and Topeka the dearest at $6.12. Individual stations vary around these averages.
How much is the diesel tax in Kansas?
$0.51 a gallon: $0.24 federal plus $0.27 in Kansas state taxes and fees, the 39th highest of 51. The state average is $0.36. Rates as of 1 January 2026.
Is diesel cheaper in a neighbouring state?
Yes — Oklahoma ($5.86, $0.22 less), Nebraska ($6.05, $0.03 less), Colorado ($6.06, $0.02 less). On a 100-gallon fill that is up to $22.30; whether it is worth the drive depends on how far the border is.
