Petrol (E10) prices in Portstewart averaged 145.6p per litre in March 2026, up 16.1p from the previous period. The highest recorded price was 149.9p in March 2026.

Prices have been trending upward in Portstewart recently. Drivers may want to shop around and compare prices between stations to find the best deal.

Over this period, Petrol (E10) prices in Portstewart ranged from 124.0p to 149.9p per litre — a spread of 25.9p. This significant variation means it pays to compare prices between stations.