UK fuel prices: petrol 174.2p, diesel 199.1p — weekly review

The average litre of E10 petrol at British forecourts costs 174.2p and B7 diesel 199.1p, calculated across 8131 forecourts nationwide on 19 October 2026.

What changed over the week

Petrol is down by 0.5p and diesel down by 0.6p. On a 55-litre tank that is about £0.25 for petrol and £0.34 for diesel.

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Where it is cheaper and dearer

Among the larger cities Belfast has the cheapest petrol at 166.9p a litre on average, while Glasgow is the dearest at 174.9p — a gap of 8p a litre.

How much choosing the forecourt saves

Within a single city the gap between cheaper and dearer forecourts reaches 13.5p a litre, widest in Liverpool. On a full tank that is £7.42 — more than waiting for prices to fall. One forecourt in twenty sells petrol below 164.9p a litre.

Where these figures come from

We take the government Fuel Finder dataset — the scheme forecourts must report their prices to — and keep a snapshot every day. Neither Google nor Fuel Finder itself stores history, so the week-on-week comparison comes from our own archive. Snapshot of 18/10/2026 14:53:21. This article is assembled automatically from that data: every figure is computed, not retold.

Prices by city

Median price, pence per litre. Cities are grouped by postcode area; the median is steadier than the mean against a single bad reading.

How this is calculated, and reuse

Prices come from Fuel Finder, the government scheme forecourts must report to, cross-checked against the retailers' own open feeds. We keep a snapshot of all 8131 forecourts every day: neither Fuel Finder nor the search engines keep history, so a week-on-week comparison is only possible from our own archive. Snapshot: 18/10/2026 14:53:21.

Reuse is permitted. The table, the chart and any figure in this article may be reproduced in your own publication, provided you credit ONLYWAY NEWS and link to this article. No permission needs to be requested. If you need a snapshot for another date or another city, write to info@onlyway.news and we will send it.