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Petrol set to fall, diesel to rise next week

Fuel prices will move in opposite directions, with petrol declining and diesel increasing in the coming week.

23 October 2026Tagblick Newsdesk

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Archive photo: Petrol set to fall, diesel to rise next week — Archive photoPhoto: U.S. Chemical Safety Board · Wikimedia Commons · Public domain

Petrol prices are expected to drop in the coming week, while diesel will rise, according to multiple sources. Most forecasts point to a reduction of eight cents per litre for petrol, though one source indicates a drop of six cents. Diesel is forecast to increase by one cent per litre.

According to the Automóvel Club de Portugal, the average price of standard diesel is expected to reach 2.177 euros per litre, while standard 95 petrol is forecast to stand at 2.086 euros per litre. These predictions reflect divergent movements in the two fuels, a behaviour that regularly repeats in the Portuguese market.

The Government announced adjustments to ISP (Tax on Petroleum Products) discounts in response to anticipated divergent price movements. According to information published in an official gazette in the Diário da República, the Government increased the ISP discount on diesel by 0.13 cents and reduced support for petrol by 1.36 cents.

Price trends may still change depending on international quotation closures, according to some sources. The international market context, which recorded Brent crude above 114 dollars per barrel at the time of the forecasts, influences these estimates.

Fuels continue to show differentiated behaviour in price fluctuations, reflecting distinct market dynamics. Diesel, identified as the most-used fuel in Portugal, follows an upward trend, while petrol maintains its downward trajectory.

The expected changes take effect from next Monday, representing another cycle of adjustments in consumer prices. These changes form part of the regular variability that characterises the national fuel market.

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