Question 1

How much does petrol cost in Portugal?

Accepted Answer

Petrol averages €1.76 per litre in Portugal, and diesel €1.62 per litre (national averages, updated 2026-06-01). Prices vary by region and station.

Question 2

How much fuel does a 100 km trip cost in Portugal?

Accepted Answer

At a typical consumption of 6.5 L/100 km, driving 100 km costs about €11.44 on petrol or €10.53 on diesel at current average Portugal prices.

Question 3

How do I calculate the fuel cost of a trip?

Accepted Answer

Multiply distance (km) by consumption (litres per 100 km), divide by 100, then multiply by the price per litre. Example: 500 km × 6.5 L/100 km × €1.76/L ≈ €57.

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