This service is currently in beta testing. Fuel price data is sourced from publicly available retailer feeds and may not include all stations. Coverage will expand as more retailers publish their data. Please report any issues to us via the Contact page.
Cheapest Petrol & Diesel Belfast
NI Fuel Price Comparison Map
Find the cheapest petrol in Belfast and across Northern Ireland. Our interactive Belfast petrol map covers 350+ stations — compare fuel prices in real time and save on every fill-up.
How to Find the Cheapest Fuel in Northern Ireland
Search by Location
Enter a postcode or town name to find fuel stations near you. The map will automatically zoom to your location and display all available stations.
Compare Fuel Types
Switch between petrol (E10) and diesel to see prices for your vehicle type. Colour-coded markers show you the cheapest options at a glance.
Colour-Coded Pricing
Green = Cheapest prices | Orange = Average prices | Red = Expensive prices
Real-Time Data
Fuel prices are sourced from publicly available retailer data feeds and refreshed every 30 minutes. Coverage is currently limited to retailers who publish open data (Sainsbury's, Asda and others).
Tips for Saving on Fuel in Northern Ireland
- •Fill up at supermarkets and larger chains, which often offer the best prices
- •Plan your route to stop at cheaper stations if they're not too far out of your way
- •Check fuel prices regularly — prices can vary significantly week to week
- •Maintain your vehicle properly to improve fuel efficiency and reduce consumption
- •Consider using fuel loyalty cards or cashback schemes at your preferred stations
Frequently Asked Questions
Where can I find the cheapest petrol in Belfast?
Use the Ulster Autos NI Fuel Finder map above to compare live petrol prices at all Belfast stations. Supermarket forecourts such as Asda and Sainsbury's typically offer the cheapest petrol in Belfast. The colour-coded map makes it easy to spot the best deals at a glance.
Where is the cheapest diesel in Belfast?
Our Belfast petrol map shows live diesel prices at 350+ stations across Northern Ireland. Simply filter by diesel fuel type to instantly see the cheapest diesel Belfast has to offer, updated every 30 minutes from retailer data feeds.
How do I compare fuel prices across Northern Ireland?
Ulster Autos provides a free fuel price comparison NI tool. Our interactive map covers petrol and diesel prices at stations from Belfast to Derry, Newry, Armagh, and beyond. The Average NI Price Chart below the map also shows 14-day price trends so you can spot the best time to fill up.
How often is the fuel price data updated?
Prices on our Belfast petrol map are sourced from publicly available retailer data feeds and refreshed approximately every 30 minutes. The cheapest fuel Northern Ireland data covers all major supermarket and independent forecourts that publish open pricing data.