Local price scan
Cheapest petrol and diesel prices in Portstewart
2 tracked forecourts in Portstewart, last updated 6 October 2026. Prices are pence per litre.
Unleaded petrol (E10)
164.9p
cheapest · 166.4p average across 2 stations
Diesel (B7)
189.9p
cheapest · 192.4p average across 2 stations
Super unleaded (E5)
176.9p
cheapest · 176.9p average across 1 station
Portstewart price history
Daily average standard petrol and diesel prices across tracked local stations over the last 90 days.
Portstewart stations ranked by price
| SUPERVALU PORTSTEWARTCIRCLE K · BT55 7PU | 164.9p | 189.9p | — |
|---|---|---|---|
| Spar Larkhill Service StationTexaco · BT55 7HU | 167.9p | 194.9p | 176.9p |
Click a column heading to sort by that fuel — click again to flip the order.
Where these stations are
What drivers in Portstewart should know
The gap between the cheapest and most expensive forecourt in Portstewart is currently 3.0p per litre. On a typical 55-litre fill that is about £1.65 — worth a short detour if a cheaper site is already on your route.
At 166.4p the average unleaded petrol (e10) price in Portstewart is below the UK-wide average of 174.7p that PumpScan is tracking, a difference of 8.3p per litre.
Brands represented locally include Texaco, CIRCLE K. Supermarket forecourts usually undercut motorway services by a wide margin, and prices in and around Portstewart tend to move within a day or two of a change in the wholesale oil price. Filling up mid-week and avoiding a near-empty tank on a motorway trip are the two simplest ways to keep costs down.
Compare Portstewart against the rest of the country on the cheapest petrol in the UK and cheapest diesel in the UK leaderboards.
All filling stations in Portstewart
- Spar Larkhill Service StationLARKHILL SERVICE STATION, 171, COLERAINE ROAD, PORTSTEWART, BT55 7HU, PORTSTEWART
- SUPERVALU PORTSTEWART162 STATION ROAD, PORTSTEWART
Looking elsewhere? See all areas covered by PumpScan UK. Area slug: /petrol-prices/portstewart