Diesel Fuel Prices In San Diego: A Costly Affair

how much is diesel fuel in san diego

The price of diesel fuel in San Diego, California, varies across gas stations in the city. As of May 12, 2025, the average diesel price in San Diego was $1.18 per liter, with prices ranging from a minimum of $1.17 to a maximum of $1.21. Generally, prices below $4.96 per liter are considered good in San Diego.

Characteristics Values
Date 12th May 2025
Average Diesel Price $1.18 per liter
Minimum Price $1.17 per liter (17th March 2025)
Maximum Price $1.21 per liter (24th February 2025)
Good Price Below $4.96
Diesel Price Examples $3.98, $4.00, $4.02, $3.94, $3.80, $3.86, $4.18, $4.40

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Diesel prices vary across San Diego

Secondly, the location within San Diego affects diesel prices. Various gas stations across the city offer different prices, and it is beneficial to compare prices before filling up. For example, on Rancho Bernardo Rd, the diesel price was 3.98, while on Cardiff St, just a few miles away, it was 4.00. Similarly, in Oceanside, CA, prices were recorded at 3.92, while in San Diego, CA 92117, they were slightly higher at 3.84.

The demand for diesel and the associated supply levels also impact pricing. Busier stations with high demand and lower supply may charge a premium, whereas stations with lower demand and adequate supply could offer more competitive prices. Additionally, some stations provide cash discounts, which can further vary the effective price of diesel across San Diego.

Other factors that contribute to price variations include the services offered at the gas station. For example, stations with additional amenities like a car wash, C-store, or ATM may have slightly higher fuel prices to offset the costs of providing these extra services. Furthermore, the proximity to highways or major roads can also affect diesel prices, with stations located conveniently along these routes potentially charging a premium for their accessibility.

It is worth noting that, according to local sources, prices below $4.96 per gallon are considered good deals in San Diego. However, with frequent fluctuations and variations across locations, it is always advisable to stay updated on the latest diesel prices in your specific area within the city.

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How to find cheap diesel in San Diego

As of May 12, 2025, the average diesel price in San Diego, California, was $1.18 per liter, with a minimum of $1.17 on March 17, 2025, and a maximum of $1.21 on February 24, 2025. Generally, in San Diego, a price below $4.96 per liter is considered good.

To find cheap diesel fuel in San Diego, there are a few things you can do and keep in mind. Firstly, consider using mobile applications or websites that provide real-time fuel price information. These tools can help you compare prices across different gas stations in your area, allowing you to identify the most affordable options. Examples of such resources include iExit Interstate Exit Guide and GlobalPetrolPrices.com.

Additionally, keep an eye out for large stores or supermarkets, such as Costco, that also have gas stations on-site. These locations often offer competitive prices and can provide a more convenient refueling experience. For instance, one user on Yelp praised the Costco location in Mission Valley for its organized fueling pumps and dedicated refueling lines.

Another strategy is to plan your refueling stops along major highways or interstate exits. Gas stations located along these routes often cater to travelers and commercial vehicles, resulting in competitive pricing for diesel fuel. The iExit app, mentioned earlier, can assist in identifying these locations.

Lastly, be mindful of the time of day and the area when refueling. Some gas stations in less favorable areas may offer cheaper diesel prices, but it is recommended to visit them during daylight hours for safety reasons. Additionally, consider refueling during off-peak hours to avoid potential crowds and long lines, which can impact your overall refueling efficiency.

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The average diesel price in San Diego

The average price of diesel fuel in San Diego, California, varies depending on the source and the date of the report. According to iExit Interstate Exit Guide, prices below $4.96 per gallon are considered good for diesel fuel in the city.

As of 2017 and 2018, some gas stations in San Diego offered diesel fuel at prices ranging from $3.92 to $4.26 per gallon. These prices may have changed since then, and they can vary across different stations and locations within the city.

GlobalPetrolPrices.com provided data for San Diego from February 3, 2025, to May 12, 2025. During this period, the average diesel price was $1.18 per liter, with a minimum of $1.17 on March 17, 2025, and a maximum of $1.21 on February 24, 2025. It's important to note that these prices are in liters and not gallons, and they may not reflect the most recent prices.

To find the most up-to-date and accurate information about diesel fuel prices in San Diego, it is recommended to use real-time price-checking tools or visit the websites of local gas stations directly. Additionally, mobile applications like GetUpside offer cash-back options and can help users find the cheapest gas prices in their area.

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Cash discounts at diesel stations in San Diego

The price of diesel fuel in San Diego, California, varies across the city. As of May 2025, the average diesel price was $1.18 per liter, with a minimum of $1.17 and a maximum of $1.21.

Some gas stations in San Diego offer cash discounts, which can provide significant savings for drivers. For example, the gas station located at 3213 Mission Ave in Oceanside, CA, offers both cash discounts and competitive prices, making it a popular choice for those prioritizing affordability. This station has been praised for its low prices, with one customer noting that it is the "best price in the city 99% of the time." However, this station can get busy, and there may be limited space for refueling.

Another station offering cash discounts is located at 628 S Coast Hwy in Oceanside. In addition to the cost advantage, this station provides a range of additional services, including propane, a convenience store, and an ATM. Customers have also commended the consistently good service they receive at this location.

Costco is another option for diesel fuel in San Diego, with one reviewer noting that they offer cheaper prices than other stations like Shell. The Costco location in Mission Valley is particularly praised for its organized refueling process, making it convenient for drivers to get in and out quickly. However, the Rancho Del Rey Costco location is reported to have poorly managed lines, leading to a hectic refueling experience.

While cash discounts can provide immediate savings, there are also apps available that offer cashback rewards for fuel purchases. For example, the GetUpside app allows users to earn cashback on gas and groceries at participating stations in San Diego. By utilizing cash discounts, competitive pricing, and cashback rewards, drivers in San Diego can optimize their fuel expenses.

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Diesel prices in San Diego compared to California

Diesel prices in San Diego vary, with most prices falling between $3.50 and $4.50. Some stations offer diesel at below $3.50, with one station advertising prices as low as $3.46. Others offer prices above $4.50, with one station advertising prices as high as $4.60. Generally, anything below $4.96 is considered a good price in San Diego.

When compared to the rest of California, diesel prices in San Diego are relatively uniform. For example, diesel prices in Oceanside, CA, range from $3.92 to $3.96. Similarly, in Cardiff, CA, prices range from $4.00 to $4.40. These prices are largely consistent with those in San Diego, with some stations in both cities offering diesel at similar prices.

However, there can be some variation within California. For instance, diesel prices in Rancho Bernardo, CA, are slightly higher, ranging from $3.98 to $4.33. On the other hand, prices in some parts of San Diego can also reach similar levels, such as in Rancho Penasquitos, where prices range from $4.04 to $4.39.

It is worth noting that diesel prices can fluctuate over time. For example, data from earlier in the year showed that the average diesel price in San Diego was $1.18 per liter, with a minimum of $1.17 and a maximum of $1.21. These prices are significantly lower than the current prices, highlighting the dynamic nature of fuel prices.

Overall, while diesel prices in San Diego are relatively consistent with those in other parts of California, there can be some variation between different regions and over time. Factors such as supply and demand, taxes, and local regulations can influence fuel prices, resulting in the observed differences. Nonetheless, for California as a whole, the state's diesel prices tend to be higher than the national average, influenced by factors such as the state's unique blend of diesel fuel and higher taxes.

Frequently asked questions

The average price of diesel fuel per liter in San Diego was $1.18 between February 3, 2025, and May 12, 2025.

I cannot say what the current price of diesel fuel in San Diego is, but on July 5, 2024, the price ranged from $3.55 to $4.40.

In San Diego, anything below $4.96 is considered a good price for diesel fuel.

Some gas stations in San Diego that offer cheap diesel fuel include 3213 Mission Ave Oceanside, 628 S Coast Hwy Oceanside, and 4616 Texas St.

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