The price of fuels in Spain begins with decreases for gasoline and diesel increases in full operation of August and during summer holidays. According to the European Union Petroleum Bulletin, corresponding to the last week of July 2025, the average price of the liter of diesel has rebounded for the third consecutive week, reaching 1,435 euros per liter, which represents 0.2% more than the previous week. For its part, the 95 gasoline has dropped to 1,489 euros per liter, 0.13% less compared to the previous period.
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In this way, gasoline accumulates a reduction of 2.36% so far this year, while diesel has fallen 0.55%. This evolution of fuels occurs at a time when vacations begin for millions of Spaniards, while others begin the return operation or will do so throughout this week, since being Friday they take advantage of the weekend to hurry the last days before returning to the routine.
Filling a gas tank costs 82 euros
With updated prices, filling an average deposit of 55 liters of gasoline (Super 95) costs approximately 82 euros, which represents a saving of 6.7 euros compared to last year, when it amounted to 88.7 euros. For its part, filling an average deposit of 55 liters of diesel costs about 79 euros, which represents a saving of 2.64 euros against the same dates of last year, when the cost was 81.64 euros.
The cheapest gas stations in Spain
Now, you have to know that this is the average price and it can vary depending on the province or service station where the refueling is carried out. At the electronic headquarters of the Ministry of Industry and Tourism, in the “Price of fuels in Spanish gas stations”, you can consult every day at what price fuels are sold in each gas station in Spain. The cheapest gas station on the Peninsula is located in Seville, at the Plenergy station (crossing its eminence, 2), where the liter of fuel without lead 95 is sold at 1,239 euros.
After this is followed by another service station in Madrid (Plenergy Carretera Villaverde to Vallecas Km), where gasoline is sold at 1,249 euros. In addition, in Cantabria, the Ballenoil de Piélagos station sells gasoline 95 to 1,256 euros per liter, the same price that can be found in Córdoba (Autacor, Avenida del Zafiro, 2) and in Pontevedra (Ballenoil, Urbanization Monteporreiro Plot CC-2 C/Italy with c/France, s/n).
In the case of diesel, the cheapest gas station in the Peninsula for diesel A is located in Murcia, at the UTE station of Murcia (Bolos Street in Murcia, 4), where the liter of diesel A is sold to 0.999 euros. In Córdoba, the Cotranco station sells the liter at 1.02 euros and in Cartagena (Murcia), the Cartagena bus station is 1,055 euros.
Difference between the fuels of Spain and Europe
Although prices have experienced variations in recent weeks, Spain continues to offer fuels at lower prices compared to the European average. Currently, the liter of gasoline costs 1,620 euros in the European Union and 1,672 euros in the eurozone, while in Spain it remains below those figures, with 1,489 euros per liter. As for diesel, the European mean is at 1,559 euros per liter and in the Eurozone at 1,588 euros, also higher than those registered in our country, where the average diesel price is 1,435 euros per liter.
This difference is mainly due to the fact that in Spain taxes on fuels and logistics costs are lower compared to other EU countries.