PumpScan UK

Local price scan

Cheapest petrol and diesel prices in Merthyr Tydfil

3 tracked forecourts in Merthyr Tydfil, last updated 6 October 2026. Prices are pence per litre.

Unleaded petrol (E10)

176.9p

cheapest · 177.2p average across 3 stations

Diesel (B7)

199.9p

cheapest · 202.2p average across 3 stations

Super unleaded (E5)

196.9p

cheapest · 196.9p average across 2 stations

Premium diesel

222.9p

cheapest · 222.9p average across 1 station

Merthyr Tydfil price history

Daily average standard petrol and diesel prices across tracked local stations over the last 90 days.

Merthyr Tydfil stations ranked by price

Fuel prices by station, sorted by Unleaded petrol (E10) (cheapest first)
ASDA MERTHYR TYDFIL SUPERSTOREASDA MERTHYR TYDFIL SUPERSTORE · CF48 2YF176.9p199.9p——
EG MERTHYR TYDFIL PFSEG ON THE MOVE · CF47 8EB176.9p202.9p196.9p—
RONTEC DOWLAISESSO · CF48 3DA177.9p203.9p196.9p222.9p

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Where these stations are

What drivers in Merthyr Tydfil should know

The gap between the cheapest and most expensive forecourt in Merthyr Tydfil is currently 1.0p per litre. On a typical 55-litre fill that is about £0.55 — worth a short detour if a cheaper site is already on your route.

At 177.2p the average unleaded petrol (e10) price in Merthyr Tydfil is above the UK-wide average of 174.7p that PumpScan is tracking, a difference of 2.5p per litre.

Brands represented locally include ASDA MERTHYR TYDFIL SUPERSTORE, EG ON THE MOVE, ESSO. Supermarket forecourts usually undercut motorway services by a wide margin, and prices in and around Merthyr Tydfil tend to move within a day or two of a change in the wholesale oil price. Filling up mid-week and avoiding a near-empty tank on a motorway trip are the two simplest ways to keep costs down.

Compare Merthyr Tydfil against the rest of the country on the cheapest petrol in the UK and cheapest diesel in the UK leaderboards.

All filling stations in Merthyr Tydfil

Looking elsewhere? See all areas covered by PumpScan UK. Area slug: /petrol-prices/merthyr-tydfil