Cheapest Petrol Prices in Mountain Ash
Last updated: · 20 stations tracked
Cheapest Petrol (E10)
158.7p
per litre · avg 163.93p
Cheapest Diesel (B7)
179.9p
per litre · avg 185.58p
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 158.7p per litre, available at ASDA ABERDARE SUPERSTORE.
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 | 167.9p | 186.9p | 186.9p | — |
| MIDGLANMORGAN | 158.9p | 180.9p | 170.9p | 195.9p |
| ABERCYNON SERVICE STATION | 167.9p | 186.9p | — | — |
| ASDA ABERDARE SUPERSTORE | 158.7p | 182.7p | — | — |
| Aberdare Service Station | 159.9p | 181.9p | 169.9p | — |
| TREHARRIS SERVICE STATION | 162.9p | 184.9p | — | 202.9p |
| MFG ABERCYNON | 166.9p | 186.9p | 176.9p | 196.9p |
| ESSAR FERNDALE SERVICE STATION | 162.9p | 183.9p | — | — |
| ABERDARE SUPERSTORE - PETROL FILLING STATION | 161.9p | 185.9p | 171.9p | — |
| EG MERTHYR TYDFIL PFS | 167.9p | 189.9p | 187.9p | — |
| MFG MABON | 163.9p | 184.9p | 175.9p | 195.9p |
| ASDA TONYPANDY SUPERSTORE | 163.7p | 185.7p | — | — |
| MFG PORTH | 162.9p | 183.9p | 175.9p | 159.9p |
| PGG PENTRE | 163.9p | 184.9p | — | — |
| MFG TON PENTRE | 164.9p | 185.9p | 175.9p | 195.9p |
| RONTEC DOWLAIS | 169.9p | 192.9p | 188.9p | 211.9p |
| SHELL TONYPANDY | 165.9p | 188.9p | 189.9p | 214.9p |
| ASDA PONTYPRIDD RHONDDA ROAD PETROL FILLING STATION | 158.9p | 180.9p | — | — |
| SAINSBURYS PONTYPRIDD | 158.9p | 179.9p | 170.9p | — |
| Valley Heights Service Station | 169.9p | 192.9p | 189.9p | 212.9p |
Frequently Asked Questions
What is the cheapest petrol price in Mountain Ash?
The cheapest petrol in Mountain Ash is currently 158.7p per litre as of 5 September 2026. The average across all stations is 163.93p.
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.