Cheapest Petrol Prices in Mountain Ash
Last updated: · 20 stations tracked
Cheapest Petrol (E10)
152.9p
per litre · avg 157.07p
Cheapest Diesel (B7)
174.7p
per litre · avg 180.60p
Compare live petrol and diesel prices across 20 fuel stations in Mountain Ash. Prices are sourced from the UK Government's official fuel price database and updated every hour. The cheapest petrol in Mountain Ash today is 152.9p per litre, available at ASDA PONTYPRIDD RHONDDA ROAD PETROL FILLING STATION.
Supermarket forecourts — including Tesco, Asda, and Sainsbury's — typically offer the lowest prices in Mountain Ash. Motorway services and branded stations (BP, Shell, Esso) often charge a premium. Use the table below to find the best deal near you.
Fuel Station Prices in Mountain Ash
| Station | Unleaded (E10) | Diesel (B7) | Super Unleaded | Premium Diesel |
|---|---|---|---|---|
| RONTEC MOUNTAIN ASH | 154.9p | 176.9p | 173.9p | — |
| MIDGLANMORGAN | 156.9p | 180.9p | 175.9p | 199.9p |
| ASDA ABERDARE SUPERSTORE | 153.7p | 174.7p | — | — |
| Aberdare Service Station | 154.9p | 176.9p | 165.9p | — |
| TREHARRIS SERVICE STATION | 156.9p | 179.9p | — | 197.9p |
| MFG ABERCYNON | 158.9p | 179.9p | 175.9p | 199.9p |
| ESSAR FERNDALE SERVICE STATION | 157.7p | 183.2p | — | — |
| ABERDARE SUPERSTORE - PETROL FILLING STATION | 153.9p | 174.9p | 162.9p | — |
| EG MERTHYR TYDFIL PFS | 158.9p | 187.9p | 179.9p | — |
| MFG MABON | 157.9p | 179.9p | 175.9p | 199.9p |
| ASDA TONYPANDY SUPERSTORE | 155.7p | 180.7p | — | — |
| MFG PORTH | 159.9p | 179.9p | 175.9p | 159.9p |
| PGG PENTRE | 156.9p | 176.9p | — | — |
| MFG TON PENTRE | 157.9p | 176.9p | 175.9p | 199.9p |
| RONTEC DOWLAIS | 158.9p | 187.9p | 177.9p | 206.9p |
| SHELL TONYPANDY | 161.9p | 179.9p | 184.9p | 204.9p |
| ASDA PONTYPRIDD RHONDDA ROAD PETROL FILLING STATION | 152.9p | 177.9p | — | — |
| SAINSBURYS PONTYPRIDD | 152.9p | 177.9p | 164.9p | — |
| Valley Heights Service Station | 161.9p | 191.9p | 176.9p | 206.9p |
| ASDA MERTHYR TYDFIL SUPERSTORE | 157.9p | 186.9p | — | — |
Frequently Asked Questions
What is the cheapest petrol price in Mountain Ash?
The cheapest petrol in Mountain Ash is currently 152.9p per litre as of 5 June 2026. The average across all stations is 157.07p.
Which supermarket has the cheapest fuel in Mountain Ash?
Tesco, Asda, and Sainsbury's supermarket forecourts typically offer the lowest fuel prices in Mountain Ash. Check the price table above to compare all stations including branded and independent retailers.
How often are fuel prices updated for Mountain Ash?
Prices are updated hourly from the UK Government's mandatory fuel price reporting scheme, which requires all fuel retailers with 6 or more sites to submit prices every 30 minutes.