Fuel prices in Ireland in 2026Protests, tax cuts and a €2 litre.

Across 2026 the weekly average for petrol came to €1.810 and for diesel to €1.883, measured on 39 Monday readings. The year's closing petrol price was 24.9 cent higher than the opening one. The change from 2025 amounts to +7.4 cent for petrol and +17.6 cent for diesel, comparing annual averages.

For diesel the high was €2.178 on 30 Mar and the low €1.689 on 13 Jul; petrol ran from €1.712 to €1.972. Averaged across the year, diesel worked out 7.2 cent a litre dearer than petrol. About 50.8% of the average petrol price that year went in tax, near enough 92.0 cent per litre. Off-road diesel averaged €1.289 in the year, its weekly readings spanning €0.937 to €1.610.

September was the most expensive month for petrol, averaging €1.916; January was the cheapest, at €1.723.

Week on week, petrol rose 24 times, fell 13 times and held 2 times.

Europe-wide, petrol averaged €1.831 in 2026; Ireland sat 2.0 cent lower relative to that.

The duty schedule changed twice in 2026, per Revenue: on 25 Mar the rates became €584.18 (petrol) and €453.15 (diesel) per 1,000 litres; 15 Apr: petrol to €502.88, diesel to €371.85 per thousand litres.

The year of the protests. Excise was cut on 25 March and again on 15 April; the NORA levy fell to a tenth of a cent on 1 April; convoys blocked the M50 and fuel depots from 7 April, and on 13 April about 650 of some 1,500 stations were without fuel, according to contemporary reports. In August the Government kept the cuts until 31 October and set a restoration path to February 2027.

The CSO's own average for petrol began the year at €1.734 and stood at €1.869 in August.

This is the year in progress; the archive steps back to 2025 at the pumps, and the current week is on the national pump price for petrol.

The yearly averages are compared on petrol and diesel prices over the years.