Diesel prices in Porth

Compare current diesel (B7) across 2 Porth forecourts. Check the lowest listed price, local average and map before choosing where to fill up.

Lowest listed diesel forecourt in Porth

198.9p/l

Lowest listed diesel price in Porth

VMfg Porth1.2 mi from Porth centre

Directions Station details

Diesel local average: 199.4p/l
Local forecourts: 2
UK comparison: Above

Prices checked 20 Oct 2026, 08:10

Live local prices

Current diesel prices in Porth

2 current diesel (B7) prices from 2 Porth forecourts listed as stocking diesel.

Prices checked 20 Oct 2026, 08:10. Individual rows show when that forecourt price was reported.

Current diesel prices in Porth. Ranked by Diesel (B7) price.
Forecourt	Postcode and report	Diesel(B7), selected ranking	Distancefrom Porth centre	Opening times	Actions
1VMfg PorthValero	CF39 9SHReported 12 Oct 2026, 12:29	198.9pCheapest	Distance: 1.2 mi	Open 24 hoursMonday - Sunday: 24 hours; Bank holidays: 24 hours	Details
2Tonyrefail Service StationGulf	CF39 8AFReported 19 Oct 2026, 09:48	199.9p	Distance: 1.2 mi	06:00 - 22:00 dailyMonday - Sunday: 06:00 - 22:00; Bank holidays: 06:00 - 22:00	Details

How to read this page

About diesel prices in Porth

Coverage, freshness and comparison scope matter as much as the headline price.

Porth has 2 forecourts listed as stocking diesel (B7), with current prices available from 2. The table ranks forecourts by current diesel (B7) price, with distance and station name used to order equal or unavailable prices. Station status, distance and update freshness remain visible for comparison.

This page focuses on Diesel (B7) using official UK Fuel Finder data, local averages, regional benchmarks and UK average comparisons where coverage is available.

Thirty-day evidence

Thirty-day diesel (B7) price trend

Thirty-day diesel (B7) trends, local comparisons and potential savings from official UK Fuel Finder data.

204p200p195p

Average price

199.4p/l

20 Sept to 19 Oct

30-day low: 198.9p/l
30-day high: 202.9p/l
Movement (30 days): -0.5p/l
Volatility: Low

Jerry's diesel trend read

Diesel in Porth fell 0.5p/l, from 199.9p/l on 20 September to 199.4p/l on 19 October. The fall was not continuous: prices rose 2.5p/l from 30 September to 5 October before moving lower again. Porth's current average is 0.3p/l above the UK average. Daily movement volatility is low.

Consistency, not just today's lowest

A consistently competitive diesel forecourt

This recommendation requires at least 21 completed reporting days and a current price no higher than the local average.

Mfg Porth

198.9p/l today

0.5p/l below Porth average today

Near cheapest: Within 1p on 24 of 30 days
Daily cheapest: Cheapest on 24 of 30 days
Average gap: 0.4p/l average gap
Evidence: 30 of 30 days reported

Directions Station details

Mfg Porth stayed within 1p/l of the daily cheapest diesel price on 24 of 30 reported days, averaging 0.4p/l above the daily cheapest price.

Price choice

Potential diesel savings

Cheapest versus average is the practical comparison. Cheapest versus highest is the maximum listed difference, not a guaranteed saving.

Current local price range

1p/l

198.9p/l cheapest, 199.9p/l highest

Cheapest versus local average: £0.28 less than the local average on a 55-litre fill
Cheapest versus highest: £0.55 maximum listed difference on a 55-litre fill

Comparing current diesel prices in Porth can avoid paying up to 1p/l more than the cheapest listed price.

Diesel (B7) compared with nearby locations

Ranked by current average diesel price. Porth is highlighted so the local baseline remains easy to find.

Pontypridd has the lowest nearby average shown at 197.1p; it is 2.3p/l cheaper than Porth.

Local market evidence

Diesel market in this location

Distribution, station consistency and forecourt type provide different evidence. None is treated as a guarantee of the next pump price.

Price distribution

198.9p to 199.4p1 station

199.4p to 199.9p1 station

The largest group of reporting diesel forecourts in Porth sits in the 198.9p to 199.4p range.

Cheapest station consistency

Supermarkets and other forecourts

Supermarkets: No price
Major brands: 199.4p/l
Independent forecourts: No price

Where value persists

Diesel brand reliability over 30 days

Historical claims render only when the documented reporting thresholds are met.

No brand has at least two Porth forecourts and 21 days of diesel evidence for a reliable 30-day comparison.

Areas with the cheapest diesel in Porth

1Britannia1 reporting, 1 below average198.9p/l
2Tonyrefail1 reporting, 0 below average199.9p/l

Good to know

Fuel price FAQs for Porth

Use the current local evidence to choose a forecourt, compare nearby places and understand how coverage and freshness affect the figures.

Where is the cheapest diesel (B7) in Porth today?

The cheapest listed diesel (B7) price in Porth is 198.9p/l at Mfg Porth. Check the table before travelling because distance, opening status and recent updates can affect the best choice.

How are Porth diesel (B7) forecourts ranked?

Forecourts are ranked by their current diesel (B7) price first. If prices are tied or unavailable, the table uses distance and station name. Use the forecourt comparison to sort and inspect the current results.

Are diesel (B7) prices in Porth below the UK average?

Diesel is above the UK average by 0.3p/l. These comparisons use current location averages and the latest benchmark data available to the page.

How recent are the Porth fuel prices on this page?

Prices checked 20 Oct 2026, 08:10. Individual prices can remain unchanged between checks until a retailer reports a price change.

Why do some Porth forecourts not show a current diesel (B7) price?

A forecourt can be listed when it is known to stock diesel (B7), even if there is not a current reported price available for that fuel. The price table keeps those stations visible but prioritises forecourts with current prices.

Should I compare nearby locations before filling up in Porth?

Nearby comparisons currently show Tonypandy at 197.8p/l, 1.6p/l cheaper than Porth, Pontypridd at 197.1p/l, 2.3p/l cheaper than Porth and Pontyclun at 197.9p/l, 1.5p/l cheaper than Porth. Compare Tonypandy, Pontypridd, Pontyclun and Mountain Ash.

How can I compare fuel prices around my current location?

Use cheapest diesel near me for a distance-led comparison based on your current position.

Built on real fuel-price data

Prices are sourced from the UK Government Fuel Finder scheme. Prices checked 20 Oct 2026, 08:10. See how we qualify and compare prices

Retailer reporting target: 30 minutes