Gas prices in Oklahoma today
Regular gas in Oklahoma averages $3.94 a gallon, 8% less than the U.S. average of $4.27. That makes Oklahoma in the middle: rank 12 of 51 (1 = cheapest).
| Grade | Oklahoma | U.S. average | 15-gallon fill-up |
|---|---|---|---|
| Regular | $3.94 | $4.27 | $59 |
| Mid-grade | $4.38 | $4.78 | $66 |
| Premium | $4.68 | $5.17 | $70 |
| Diesel | $5.93 | $6.35 | $89 |
Source: AAA, Oklahoma average gas prices and AAA State Gas Price Averages, as of Oct 24, 2026. Fill-up = price × 15 gallons (our calculation). For metro-area prices, see AAA's Oklahoma page.
Taxes in the price: 20.0¢ a gallon in Oklahoma state taxes and fees plus the 18.4¢ federal tax, 38.4¢ in all, about 10% of today's price (Tax Foundation, July 2026; our calculation). Gas tax in Oklahoma.
What driving costs in Oklahoma
At $3.94 a gallon, a car that gets 27.2 mpg (the EPA's average for new vehicles) spends about $145 on gas every 1,000 miles, or 14.5 cents a mile (our calculation). Charging an electric car at Oklahoma's average home electricity price costs about $46 for the same 1,000 miles. Gas is only one part of the bill: full-coverage car insurance in Oklahoma averages $2,028 a year.
Planning a drive? The road trip cost calculator uses today's gas price, and the true cost of owning a car puts fuel next to insurance, repairs and depreciation.
Common questions
What is the average gas price in Oklahoma today?
Regular gas in Oklahoma averaged $3.94 a gallon on Oct 24, 2026, per AAA. Mid-grade was $4.38, premium $4.68 and diesel $5.93.
Is gas in Oklahoma cheaper than the national average?
Yes. Oklahoma's $3.94 is 8% less than the U.S. average of $4.27, which ranks it 12 of 51 states and DC (1 = cheapest, our ranking of AAA data).
How much does it cost to fill up a car in Oklahoma?
About $59 for 15 gallons of regular at today's Oklahoma average (our calculation). Driving 1,000 miles in a car that gets 27.2 mpg costs about $145 in gas.
Is an electric car cheaper to run than gas in Oklahoma?
At Oklahoma's average home electricity price, charging an EV for 1,000 miles costs about $46, compared with about $145 in gas for a 27.2 mpg car (our calculation from EIA and AAA prices, 31 kWh per 100 miles from fueleconomy.gov).
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