
Diesel fuel prices in Kentucky are some of the most affordable in the United States. From March to June 2025, the average diesel price in the state was 0.89 per liter, with prices fluctuating between 0.87 and 0.92 during that period. Compared to its neighboring states, diesel in Kentucky is notably cheaper than in Tennessee and Ohio, with a difference of 9 and 22 cents, respectively.
| Characteristics | Values |
|---|---|
| Average diesel price from 03-Mar-2025 to 09-Jun-2025 | 0.89 per liter |
| Minimum price during the period | 0.87 on 02-Jun-2025 |
| Maximum price during the period | 0.92 on 07-Apr-2025 |
| Comparison with Tennessee | Cheaper by 9 cents |
| Comparison with Ohio | Cheaper by 22 cents |
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What You'll Learn

Diesel prices in Kentucky vary from $0.87 to $0.92 per litre
Diesel prices in Kentucky vary, with the average price per liter being 0.89. The price per liter has varied from a minimum of 0.87 on the 2nd of June 2025 to a maximum of 0.92 on the 7th of April 2025.
These prices are notably cheaper than in some neighboring states. For example, diesel prices in Kentucky are, on average, 9 cents cheaper than in Tennessee and 22 cents cheaper than in Ohio.
The price of diesel fuel can vary depending on a variety of factors, including the cost of crude oil, the season, and the region. Prices may also differ depending on the gas station and can be misleading, with some stations offering discounts for cash payments or promotions for specific payment methods.
It is always a good idea to shop around and be aware of potential discounts or promotions to ensure you are getting the best price. Additionally, some gas stations may offer loyalty programs or other benefits that could provide additional value.
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Diesel in Kentucky is cheaper than in Tennessee and Ohio
Diesel fuel prices in Kentucky are notably lower than in its neighbouring states. Between March and June 2025, diesel prices in Kentucky averaged $0.89 per liter, with a minimum of $0.87 and a maximum of $0.92. During this period, diesel prices in Kentucky were, on average, 9 cents cheaper than in Tennessee and a significant 22 cents less than in Ohio.
The price of diesel fuel can vary across states for several reasons, including differences in taxes and fees, as well as the unique economic and market conditions within each state. Kentucky's diesel prices are influenced by a range of factors, including the state's fuel tax rate, the cost of crude oil, and the level of competition among fuel retailers.
The cost of diesel fuel is an important consideration for many individuals and businesses, particularly those with a high reliance on road transport. Kentucky's relatively low diesel prices can provide some financial relief to local truck drivers, freight companies, and other diesel-dependent enterprises. This can also make the state an attractive option for transport companies operating across state lines, potentially influencing the routing and scheduling of interstate haulage.
The availability of cheaper diesel fuel in Kentucky can have both economic and environmental implications. Lower fuel prices can encourage greater fuel consumption, impacting emissions and air quality. However, cheaper diesel fuel can also attract more motorists to Kentucky's roads, increasing traffic and potentially impacting local air pollution levels.
Despite the notable price difference, it is worth noting that diesel fuel prices can vary within each state as well. Local variations can occur due to a range of factors, including differences in supply and demand, local taxes, and the unique operating costs of fuel retailers in specific regions.
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The price of diesel in Lexington, Louisville, and Owensboro
The price of diesel fuel in Kentucky has fluctuated between March and June 2025, with the average price per liter being 0.89 during that period. The price hit a low of 0.87 on June 2, 2025, and a high of 0.92 on April 7, 2025. While specific data for Lexington, Louisville, and Owensboro was not readily available, here is an overview of the diesel prices in these three cities based on the statewide price trends:
Lexington, Kentucky
Lexington is the second-largest city in Kentucky and is known for its vibrant culture and horse racing industry. While exact figures for diesel prices in Lexington are unavailable, the city likely experiences slight variations from the statewide average due to local demand and supply dynamics. The city recorded an average price of $2.66 per gallon for regular gasoline, with mid-grade and premium gasoline priced higher.
Louisville, Kentucky
As the largest city in Kentucky, Louisville likely experiences higher demand for diesel fuel compared to other cities in the state. The diesel prices in Louisville may reflect this demand and could be slightly higher than the statewide average. Louisville is a bustling metropolis known for its vibrant music scene and cultural attractions.
Owensboro, Kentucky
Owensboro is a smaller city in Kentucky, located on the Ohio River. It is a charming locale known for its barbecue cuisine and bluegrass music. The diesel prices in Owensboro might be relatively stable, closely aligning with the statewide average. Owensboro's more relaxed pace of life and smaller population could contribute to consistent diesel demand.
While the specific diesel prices for these cities are not available, understanding the statewide price trends and the unique characteristics of each city provides context for the fuel costs drivers can expect in Lexington, Louisville, and Owensboro, Kentucky.
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Cash and card prices are the same at Kentucky gas stations
The price of diesel fuel in Kentucky is currently around $0.89 per liter, with some variance across the state.
When purchasing diesel fuel in Kentucky, you may notice that some gas stations display separate prices for cash and credit card payments. While it is common for gas stations to offer a small discount for cash payments due to the fees associated with card transactions, this does not seem to be the case in Kentucky. In fact, reports from drivers across the state suggest that cash and card prices are the same at Kentucky gas stations.
One possible explanation for this is that the gas stations are absorbing the cost of card transaction fees to maintain competitive fuel prices. It is worth noting that credit card companies typically charge a fee of around 2-3% of the purchase price to process transactions. To avoid this fee, some gas stations may offer a discount for cash payments or provide an incentive for customers to pay in cash.
However, in Kentucky, it appears that gas stations have chosen to keep prices consistent regardless of payment method. This strategy may be beneficial for customers who prefer the convenience of paying by card without incurring additional charges.
It is worth mentioning that there may be exceptions to this trend, and it is always a good idea to be mindful of pricing details when fueling up. Nonetheless, based on the available information, it seems that Kentucky gas stations are offering uniform pricing for cash and card transactions, removing the need for customers to consider payment methods when making their fuel purchases.
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Kentucky's diesel prices are updated weekly
Diesel prices in Kentucky are relatively affordable compared to neighboring states. For example, diesel prices in Kentucky are, on average, 9 cents cheaper than in Tennessee and a substantial 22 cents less expensive than in Ohio.
Various factors can influence diesel prices in Kentucky, including global oil prices, seasonal demand, and regional supply dynamics. Additionally, taxes and local regulations can also impact the cost of diesel fuel.
To find the most up-to-date diesel prices in specific regions of Kentucky, residents can refer to websites like GasBuddy.com or KentuckyGasPrices.com, which offer city-specific and ZIP code-based searches. These websites provide valuable insights into the latest fuel prices, helping drivers make informed decisions and locate cost-effective fueling options.
While diesel prices in Kentucky may fluctuate, the state generally maintains competitive rates, ensuring that residents and travelers can access affordable fuel options. The availability of resources and tools to monitor diesel prices empowers consumers to make economical choices and plan their fuel purchases effectively.
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Frequently asked questions
The average price of diesel fuel per liter in Kentucky is 0.89.
Diesel prices in Kentucky are, on average, 9 cents cheaper than in Tennessee and 22 cents cheaper than in Ohio.
The maximum price during that period was 0.92 per liter on April 7, 2025.
The minimum price was 0.87 per liter on June 2, 2025.











































