Live prices
Cheapest petrol and diesel prices in Portstewart
2 forecourts tracked in Portstewart (2 reporting unleaded (E10), 2 reporting diesel (B7), 1 reporting premium (E5)). Prices last refreshed at 7:31am on 19 September 2026.
The cheapest reported unleaded petrol (E10) in Portstewart is £7.54 a gallon (165.9p per litre) at Circle K, 162 Station Road, Portstewart. The average across 2 forecourts currently reporting this grade is £7.54 a gallon (165.9p per litre). That local average is 6.6p per litre below the UK average of 172.5p.
The average is unchanged since yesterday. The average has risen 1.0p per litre since last week.
Prices last refreshed at 7:31am on 19 September 2026, supplied through the official UK Government fuel price open data scheme and checked every 30 minutes.
At 165.9p per litre, the cheapest unleaded in Portstewart is the highest we have recorded here in 4 weeks. The Portstewart average has risen 1.0p a litre over the past week.
Unleaded Prices
Unleaded (E10)
- Highest
- £7.54/gal165.9p/L
- Average
- £7.54/gal165.9p/L
- Lowest
- £7.54/gal165.9p/L
Diesel Prices
Diesel (B7)
- Highest
- £8.63/gal189.9p/L
- Average
- £8.63/gal189.9p/L
- Lowest
- £8.63/gal189.9p/L
Premium Unleaded Prices
Premium Unleaded (E5)
- Highest
- £7.95/gal174.9p/L
- Average
- £7.95/gal174.9p/L
- Lowest
- £7.95/gal174.9p/L
Super Diesel Prices
Super Diesel (SDV)
Not enough current price data.
All forecourts in Portstewart
2 forecourts in Portstewart, with live prices and full addresses. Showing 1 to 2.
Larkhill Service Station, 171, Coleraine Road, Portstewart, BT55 7HU, Portstewart · BT55 7HU
Usually cheapest midnight to 5am, priciest 5pm to 10pm here
DirectionsDiesel B7
Premium E5
162 Station Road, Portstewart · BT55 7PU
Usually cheapest midnight to 5am, priciest 2pm to 7pm here
DirectionsDiesel B7
Search near Portstewart
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Answers come straight from recorded official price data, refreshed every 30 minutes.
Cheapest reported unleaded
Circle K
162 Station Road, Portstewart
165.9p/L
Cheapest reported diesel
Circle K
162 Station Road, Portstewart
189.9p/L
By fuel grade in Portstewart
Nearby areas
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Prices are sourced from official UK government fuel-price data (Open Government Licence v3.0). Updated every 30 minutes.
Questions about fuel prices in Portstewart
- What is the average petrol price in Portstewart?
- The average unleaded (E10) petrol price in Portstewart is currently 165.9p per litre (approx. £7.54/gal), based on live data from 2 forecourts reporting this grade. Prices are updated every 30 minutes from official UK government data.
- What is the average diesel price in Portstewart?
- The average diesel (B7) price in Portstewart is currently 189.9p per litre (approx. £8.63/gal). This is based on live data from forecourts in the area, updated every 30 minutes.
- Which is the cheapest petrol station in Portstewart?
- Circle K at 162 Station Road, Portstewart currently has the cheapest reported unleaded petrol in Portstewart at 165.9p per litre (approx. £7.54/gal). Prices change regularly, so check this page for the latest.
- Which is the most expensive petrol station in Portstewart?
- According to official UK government fuel price data, Spar Larkhill Service Station (BT55 7HU) currently has the highest reported unleaded (E10) price in Portstewart at 165.9p per litre (approx. £7.54/gal). Prices are refreshed every 30 minutes, so this can change through the day.
- How do I find the cheapest fuel near Portstewart?
- Use the search box above to enter your postcode. fuel.co.uk will show you every forecourt ranked cheapest first, with live prices updated every 30 minutes from the GOV.UK Fuel Finder.