Petrol and Diesel Prices in Mountain Ash
Compare petrol and diesel prices at 2 petrol stations in Mountain Ash, MID GLAMORGAN. Prices last updated 02:16 12/08/2026.
Petrol (E10)
159.9p
at ABERCYNON SERVICE STATION
Diesel (B7)
176.9p
at ABERCYNON SERVICE STATION
Super Unleaded (E5)
180.9p
at RONTEC MOUNTAIN ASH
Premium Diesel
N/A
Unleaded (E10)
161.0p avg
0.8p below UK average (161.8p)
Diesel
178.0p avg
4.0p below UK average (182.0p)
Price History in Mountain Ash
See how fuel prices have changed over time with interactive charts and analysis.
Click any column header to sort. Prices shown in pence per litre.
Stations within a few miles of Mountain Ash — worth the short drive for cheaper fuel.
Mountain Ash (MID GLAMORGAN) currently has 2 petrol stations tracked by FuelCosts.co.uk. The average unleaded petrol price in Mountain Ash today is 161.0p per litre, which is 0.8p below the UK national average of 161.8p.
The cheapest unleaded petrol in Mountain Ash right now is 159.9p at ABERCYNON SERVICE STATION. The cheapest diesel is 176.9p at ABERCYNON SERVICE STATION.
Fuel prices in Mountain Ash are sourced from the UK Government's CMA Fuel Finder scheme and updated every 4 minutes. We recommend comparing prices before filling up, as prices can vary significantly between stations even within the same town.