Fuel Prices Ireland – Week of 4 May 2026

If you’ve been keeping an eye on the pumps, you’ll notice that fuel prices Ireland has settled into a relatively stable range this week. The national average diesel sits at €1.96 per litre, while unleaded (petrol) is a touch cheaper at €1.83. With 371 stations tracked across the island, there’s still plenty of room to hunt for the best deal – especially if you’re after the cheapest diesel Ireland has to offer.

How Does This Week Compare?

Compared with last month’s peak of €2.05 for diesel, the current level represents a modest dip, but the market remains sensitive to global oil trends and the lingering effects of the spring refinery maintenance shutdowns in Europe. For most commuters, the difference between €1.96 and €2.00 per litre can add up quickly – a full‑tank (45 L) vehicle saves roughly €1.80 each fill‑up. That’s why many drivers are turning to price‑comparison tools to spot the sweet spots before they hit the road.

Where to Find the Cheapest Diesel and Unleaded

If you’re hunting for the cheapest diesel Ireland can give you, these five stations are leading the pack right now:

Station	County	Diesel	Unleaded
Circle K Express Lifford	Donegal	€1.52	€1.65
Cork Road	Cork	€1.54	€1.74
Top Oil Staplestown Service Station	Carlow	€1.63	€1.65
Inver Castledermot	Kildare	€1.64	€1.88
Lafferty's Applegreen Service Station, Creeslough	Donegal	€1.65	€1.66

Donegal and Cork dominate the low‑price list, with Donegal’s average diesel price at €1.81 across its 14 stations – the cheapest county average in the nation. Close behind are Tipperary (€1.90) and Louth (€1.91). If you’re traveling through the west, keep an eye on County Roscommon (average diesel €1.92) and County Cavan (average diesel €1.94) – they often sit just a few cents above the national low end but still beat the €2.00 benchmark that many urban areas have hit.

Practical Tips for Irish Drivers

Plan Your Route Around Low‑Price Hubs – A short detour to a station in Donegal or Cork can shave off a few cents per litre. Use a map or the FuelCompare app to plot the cheapest stops along your usual commute.
Buy in Bulk When Prices Dip – If you have a larger fuel tank (e.g., a van or SUV), topping up when the national average drops to €1.96 can save you a respectable sum over the month.
Watch for Time‑Limited Promotions – Some retailers run “pump‑it‑up” deals on Tuesdays or Thursdays. Subscribe to price alerts on FuelCompare.ie to get a heads‑up.
Check the Fuel Type – Diesel often shows a larger variance than unleaded. If you drive a diesel‑powered vehicle, the potential savings from finding the cheapest diesel Ireland can be significant.
Consider Loyalty Schemes Wisely – While points can be tempting, the discount at a lower‑priced independent station may outweigh any rewards earned at a higher‑priced chain.

Regional Snapshot – Where Prices Vary Most

Northern & Western Counties (Donegal, Mayo, Roscommon) consistently post diesel prices below €1.95, making them the go‑to areas for budget‑savvy drivers.
Midlands & South‑East (Dublin, Wicklow, Kildare) hover around the national average, with diesel at €1.96‑€1.97.
Southern Counties (Cork, Kerry, Limerick) show a slight upward trend, with the highest diesel averages in Kerry (€2.01) and Carlow (€2.02).

If you live in one of the pricier counties, a quick trip to a neighboring county could net you a better rate, especially when heading out of town.

Stay Updated – Check Live Prices

Prices can change day‑to‑day, so it’s worth checking live figures on FuelCompare.ie or by launching the FuelCompare app. The platform aggregates data from all 371 tracked stations, giving you real‑time insight into fuel prices Ireland and the latest petrol prices today.

Ready to start saving? Download the FuelCompare app now, set up price alerts for your favourite routes, and never overpay for diesel or unleaded again. Safe travels!