Cheapest Fuel by Region in Spain (2026)

Fuel prices in Spain vary significantly by region. The difference between the cheapest and most expensive autonomous community can exceed 10 cents per litre for Gasolina 95 and Diesel. For drivers covering long distances or planning road trips, knowing which regions offer the best prices can save real money. This guide ranks all 17 autonomous communities, explains why prices differ, and shows you how to plan refuelling stops strategically.

National Price Overview

As of early 2026, the national average price for Gasolina 95 hovers around €1.48 to €1.55 per litre, while Diésel A sits slightly lower at €1.40 to €1.48 per litre. These figures shift with global crude oil prices, refinery margins, and seasonal demand. But within these national averages lie substantial regional differences that persist regardless of market conditions.

We track prices at over 12,000 stations across Spain using official data from the Ministry of Ecological Transition, updated every 30 minutes. The rankings below reflect consistent patterns observed throughout 2025 and into 2026.

All 17 Autonomous Communities Ranked by Gasolina 95 Price

The following table shows a representative ranking from cheapest to most expensive for Gasolina 95. Actual prices change daily, so use our live tracker for current figures.

These are representative ranges. For live, up-to-the-minute prices, visit our national Gasolina 95 tracker.

Why Some Regions Are Consistently Cheaper

Castilla y León, Extremadura, and Aragón

These inland regions regularly top the "cheapest fuel" rankings for several reinforcing reasons:

• Lower regional taxes. These communities have historically applied minimal or zero IVMDH (the regional fuel tax surcharge). Even small tax differences compound into noticeable savings at the pump.
• Strong low-cost station presence. Budget operators like Ballenoil and Plenoil have expanded aggressively in central Spain, forcing established brands to compete on price.
• Lower operating costs. Land, labour, and rent are cheaper in inland Spain compared to coastal cities and islands. This feeds through into lower station overheads and slimmer margins.
• Transit routes. Major highways connecting Madrid to the north and northwest pass through these regions, creating competition among stations vying for through-traffic.

Why Madrid Sits in the Middle

Despite being Spain's capital and largest metro area, Madrid's fuel prices tend to hover around the national average. The sheer number of stations (over 800 in the Community of Madrid) creates fierce competition, but higher land costs and urban operating expenses push prices up from where they might otherwise be. The result is a middle-of-the- pack position. Savvy Madrid drivers who shop around can still find stations significantly below the community average, particularly at low-cost operators on the outskirts.

Why Some Regions Are Consistently More Expensive

Canary Islands and Balearic Islands

Island regions face a structural cost disadvantage. Fuel must be shipped by tanker from mainland refineries, adding transport costs. The limited number of stations on each island reduces competitive pressure. Additionally, the Canary Islands have their own indirect tax system (IGIC instead of IVA), and while the headline rate is lower, the total tax burden on fuel combined with logistics costs results in higher pump prices.

Cataluña and País Vasco

Cataluña and the Basque Country consistently rank among the more expensive mainland regions. Higher regional taxes, elevated urban operating costs (especially around Barcelona and Bilbao), and a smaller share of low-cost operators compared to central Spain all contribute. However, province-level variation is significant. Rural areas of Lleida or Álava can be considerably cheaper than the Barcelona metropolitan area.

Province-Level Differences Within Communities

Averages by autonomous community mask important variation at the province level. Within a single community, different provinces can vary by 3 to 5 cents. For example:

• In Cataluña, Barcelona province is typically the most expensive due to urban density and demand, while Lleida and Tarragona tend to be cheaper.
• In Andalucía, inland provinces like Jaén and Córdoba are often cheaper than the coastal tourist provinces of Málaga and Cádiz.
• In the Comunidad Valenciana, Castellón tends to undercut Valencia and Alicante.
• In Madrid, the outer suburban zones and towns along the A-2 and A-4 corridors are often cheaper than central Madrid.

Our province-level pages let you drill down into specific areas. For example, browse Madrid province prices or Barcelona province prices to see station-level data.

The Role of Autonomous Community Taxes (IVMDH)

Spain's fuel tax structure has a national component (the Impuesto Especial sobre Hidrocarburos, roughly €0.47 per litre for petrol) plus 21 percent IVA (VAT). On top of this, each autonomous community can levy the IVMDH, an additional surcharge that was originally introduced in 2002 and has been subject to various suspensions and modifications over the years.

In practice, the IVMDH has ranged from zero (in communities that chose not to apply it) to around €0.048 per litre (the maximum permitted rate). While €0.048 per litre may sound small, on a 60-litre fill it adds almost €3, and over the course of a year it amounts to €50 to €70 for a typical driver. This tax alone explains a meaningful portion of the gap between the cheapest and most expensive regions.

Cross-Border Fuelling

For drivers in border regions, filling up in a neighbouring country can sometimes save money. Here are the key comparisons:

Andorra

The micro-state of Andorra, nestled between Spain and France in the Pyrenees, has significantly lower fuel taxes. Petrol in Andorra is typically 15 to 25 cents cheaper per litre than in Spain. Drivers in northern Cataluña and Aragón who pass through or near Andorra on ski trips or cross-border shopping excursions routinely fill up there. Note that you are limited to the fuel in your tank when returning — carrying extra cans is restricted.

Gibraltar

Fuel in Gibraltar is priced in pounds and has historically been cheaper than in mainland Spain due to lower taxes. Residents of La Línea de la Concepción and the Campo de Gibraltar area sometimes cross the border to refuel. However, queue times at the border can be long, and the saving may not justify the wait for a casual visit.

Portugal

Portuguese fuel prices are generally similar to or slightly higher than Spain's, though this varies with exchange rates and tax policy. Drivers in Galicia or Extremadura near the Portuguese border should compare both sides before filling up, but there is no consistent large saving in either direction.

Tips: Planning Refuelling Stops on Road Trips

• Check regional averages before your trip. If you are driving from Barcelona to Madrid, you will pass through Aragón and Castilla-La Mancha, both of which tend to be cheaper than Cataluña. Plan to refuel there rather than filling up before departure.
• Avoid filling up on the autopista itself. Motorway service stations charge a premium of 5 to 15 cents. Exit at a junction and drive a few minutes to a town station. Our comparison tool can help you identify cheap stations near motorway exits along your route.
• Fill up before entering island territory. If you are taking a ferry to the Balearics, fill your tank on the mainland. Fuel on Mallorca, Menorca, and Ibiza carries the island logistics premium.
• Use half-tank rule on long trips. Do not wait until the warning light comes on. Refuelling when you hit half a tank gives you the flexibility to wait for a cheaper station rather than being forced to fill up at whatever is nearest.
• Bookmark our regional pages. Before setting off, check the average prices in the communities you will pass through. For example, read our guide to finding cheap fuel in Spain and decide which fuel type suits your car with our Gasolina 95 vs 98 comparison.

Diesel Prices by Region

The regional ranking for Diesel (Gasóleo A) follows a broadly similar pattern to Gasolina 95, with inland central regions cheaper and islands more expensive. However, the spread is sometimes narrower for diesel because commercial transport demand creates more uniform pricing pressure across the country. Fleet operators and hauliers are more price-sensitive and tend to cluster refuelling at the cheapest available stations, which limits how far any single region can drift from the mean.

Frequently Asked Questions

Why is fuel cheaper in Castilla y León?

A combination of lower regional taxes (historically zero IVMDH surcharge), strong presence of low-cost station operators, lower land and labour costs, and competitive pressure from stations along major transit corridors (A-1, A-6, A-62) connecting Madrid to the north. These factors reinforce each other to keep prices consistently below the national average.

Is fuel cheaper at the Portuguese border?

Not reliably. Portuguese fuel prices fluctuate relative to Spanish prices depending on tax policy, crude oil costs, and the strength of the euro. In some periods Portugal is marginally cheaper, in others marginally more expensive. If you are near the border in Galicia or Extremadura, it is worth comparing both sides, but there is no guaranteed saving. Our Spain data covers all stations up to the border, so you can check Spanish prices before deciding whether to cross.

Do prices change seasonally?

Yes, there is a modest seasonal pattern. Prices tend to rise in late spring and summer as holiday travel increases demand, and ease slightly in autumn and winter. The effect is amplified in tourist-heavy regions like the Mediterranean coast, the Balearics, and the Canaries, where summer demand from rental cars and holidaymakers pushes prices up. However, global crude oil price movements have a far greater impact than seasonal patterns.

How much can I save by refuelling in a cheaper region?

On a 60-litre fill, a 10-cent per litre difference saves you €6. For a driver who fills up once a week, choosing to refuel in a cheaper region on road trips or commutes could save €250 to €350 over a year. The saving is not about making special detours but rather about being aware of which regions are cheaper and timing your fill-ups accordingly.

Where can I see live prices by region?

Our Gasolina 95 and Diesel pages show national averages and link to every autonomous community and province. All data comes from the Ministry of Ecological Transition and is updated every 30 minutes. You can also use our comparison tool to search by postal code or city for station-level prices.