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Petrol Prices in Portstewart
Average today: unleaded 154.4p · diesel 175.4p ·
UK average 161.4p / 182.6p
Checked 23 August 2026 · retailer-reported prices, changes filed within 30 minutes
Portstewart trend: Unleaded ▲ 1.0p · 7d · Diesel ▲ 3.0p · 7d
The cheapest unleaded in Portstewart today is 153.9p
at Texaco, Larkhill Service Station, 171, Coleraine Road, Portstewart, Bt55 7hu. Filling a 55-litre tank at the cheapest station instead of the priciest saves about £0.55.
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