Fuel Prices Dip Again on Monday: Diesel Down About 6 Cents a Litre and Petrol 2, With Next Week's Tax Discount Still Unset
The ACP expects diesel to fall about 6 cents a litre and petrol about 2 cents from Monday 16 November, the second weekly fall in a row. DGEG averages stood at 2.124 and 1.910 euros on 12 November; next week's ISP discount had not yet been set.
Fuel should get cheaper again at Portuguese pumps on Monday 16 November, for the second week running, with diesel taking most of the fall. The Automóvel Club de Portugal (ACP), quoted by ECO, expects diesel to drop about 6 cents a litre and petrol about 2 cents. Jornal de Negócios heard the same figures from a sector source, and RTP reported that the fuel retailers' association (Associação dos Revendedores de Combustíveis) puts the diesel cut at 6.5 cents, with petrol down 2 cents.
This follows last Monday's much larger fall, when forecasts pointed to cuts of 9 to 12.5 cents a litre, as we reported in our 6 November story.
Where prices stand now
The official averages published by the Directorate-General for Energy and Geology (DGEG) on its fuel price portal put ordinary diesel (gasóleo simples) at 2.124 euros a litre on Thursday 12 November, across 1,691 stations, and ordinary 95 petrol (gasolina simples 95) at 1.910 euros, across 1,803 stations. The spread between stations is wide: diesel ranged from 1.929 to 2.469 euros and petrol from 1.769 to 2.229 euros.
If the forecasts hold, ECO calculates that the average would fall to about 2.065 euros for diesel and 1.891 euros for petrol next week.
The fuel-tax discount for next week is not yet known
The estimates may still change with Friday's movements in crude and refined product prices, ECO noted, and the Government had not yet set next week's temporary discount on the tax on petroleum products (ISP, imposto sobre os produtos petrolíferos). As of early Friday afternoon, no new order had been published in the Diário da República, the official gazette; it usually appears in a late-Friday supplement.
The discount is reset each week by a ministerial order (portaria). The one in force this week, Portaria 496-A/2026/1, cut it to 92.01 euros per 1,000 litres on diesel and 39.14 euros on petrol, down from 109.94 and 64.60 euros under the previous order. The order said it acted because prices were expected to fall. Stations must display the combined tax relief (ISP plus VAT), which this week is 0.227 euros a litre on diesel and 0.191 euros on petrol on the mainland. If the Government trims the discount again, part of Monday's fall would not reach the pump.
What it means for you
By our own arithmetic, a 6-cent fall saves about 3 euros on a 50-litre tank of diesel: at this week's 2.124 euro average, a full tank costs about 106.20 euros, and at the forecast price about 103.20 euros. On petrol, a 2-cent fall saves about 1 euro on 50 litres, from about 95.50 euros to about 94.50 euros.
- These are national averages. The market is liberalised, so each station sets its own price, and the gap between the cheapest and dearest diesel this week was over 50 cents a litre.
- You can compare stations near you on the DGEG portal before filling up.
- Earlier in the autumn the Government widened the discount when prices rose; see our 31 October report on how the weekly order works.
