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Petrol Prices in Cosham
Average today: unleaded 170.9p · diesel 193.4p ·
UK average 169.6p / 191.4p
Checked 13 September 2026 · retailer-reported prices, changes filed within 30 minutes
Cosham trend: Unleaded ▲ 3.0p · 7d · Diesel ▲ 4.0p · 7d
The cheapest unleaded in Cosham today is 169.9p
at Esso, Portsmouth Road. Filling a 55-litre tank at the cheapest station instead of the priciest saves about £1.10.
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