South Dakota · EIA survey Nov 9, 2026

South Dakota gas and diesel prices

Regular gasoline $3.868 and diesel $6.201 a gallon this week, including taxes. South Dakota is in EIA's Midwest (PADD 2) region; EIA publishes that region's average rather than a separate South Dakota figure.

On-highway diesel (ULSD)$6.201/gal▼ 20.1¢ Midwest (PADD 2) average 7.4¢ above U.S.

Regular gasoline$3.868/gal▼ 23.4¢ Midwest (PADD 2) average 12.7¢ below U.S.

Midgrade gasoline$4.362/gal▼ 22.1¢ Midwest (PADD 2) average 24.6¢ below U.S.

Premium gasoline$4.986/gal▼ 21.2¢ Midwest (PADD 2) average 2.7¢ below U.S.

Price history

Diesel (region)Regular (region)Midgrade (region)Premium (region)

South Dakota vs. its region and the U.S.

Area	Diesel	Regular	Premium
Midwest (PADD 2)	$6.201	$3.868	$4.986
United States	$6.127	$3.995	$5.013

Other states in Midwest (PADD 2)

Illinois Indiana Iowa Kansas Kentucky Michigan Minnesota Missouri Nebraska North Dakota Ohio Oklahoma Tennessee Wisconsin

Home heating fuels in South Dakota

Heating oil$5.750/gal▼ 42.7¢ ▲ $2.193 year Midwest averageEIA residential survey, Nov 9, 2026 Propane$2.056/gal▲ 1.4¢ ▲ $0.325 year State averageEIA residential survey, Nov 9, 2026

Electricity, residential15.15¢/kWhEIA average, August 2026 · U.S. 18.16¢

Compare heating costsOil vs. propane vs. heat pump →Uses these South Dakota prices

EIA collects residential heating oil and propane prices weekly from October through March (monthly in summer). Regional averages are labeled.

South Dakota fuel taxes

	Gasoline	Diesel
State taxes and fees	30.0¢	30.0¢
Federal excise	18.4¢	24.4¢
Total per gallon	48.4¢	54.4¢
Share of this week’s price	13%	9%
Rank (1 = highest state tax)	29 of 51	30 of 51

State rates: Tax Foundation, July 2026 (state statutes); excludes some local and gross-receipts taxes. Share uses the regional average price. All states.

Driving electric in South Dakota

EV, home charging$4.33per 100 miles at 3.5 mi/kWh

Gas car$13.81per 100 miles at 28 mpg

At South Dakota’s average residential rate, home charging costs 69% less per mile than gasoline. Public fast charging usually costs more. Run your own numbers.

Quick answers

What is the average price of gas in South Dakota?

$3.868 a gallon for regular in EIA's survey of November 9, 2026, the average for EIA's Midwest (PADD 2) region, which includes South Dakota.

What is the price of diesel in South Dakota?

$6.201 a gallon in EIA's survey of November 9, 2026 (Midwest (PADD 2) regional average; EIA does not publish a weekly diesel price for South Dakota alone).

Is fuel in South Dakota cheaper than the national average?

Diesel is 7.4¢ above the U.S. average, and regular gasoline 12.7¢ below.

What is the gas tax in South Dakota?

30.0¢ a gallon in state taxes on gasoline and 30.0¢ on diesel (Tax Foundation, July 2026), plus the federal 18.4¢ and 24.4¢: 48.4¢ and 54.4¢ in total.

What does propane cost in South Dakota?

$2.056 a gallon for residential propane in EIA’s survey of November 9, 2026, up 1.4¢ on the week.

Is it cheaper to drive electric in South Dakota?

At 15.15¢ per kWh (EIA residential average) an EV getting 3.5 miles per kWh spends about $4.33 per 100 miles on home charging, against $13.81 for a 28-mpg car at $3.868 gas.

Plan a trip or fleet budget with South Dakota prices: trip fuel cost · fleet budget. Source: EIA Gasoline and Diesel Fuel Update.