Petrol and Diesel Prices in Mountain Ash
Compare petrol and diesel prices at 2 petrol stations in Mountain Ash, MID GLAMORGAN. Prices last updated 10:44 27/03/2026.
Petrol (E10)
148.9p
at RONTEC MOUNTAIN ASH
Diesel (B7)
180.9p
at RONTEC MOUNTAIN ASH
Super Unleaded (E5)
167.9p
at RONTEC MOUNTAIN ASH
Premium Diesel
N/A
Unleaded (E10)
149.0p avg
1.3p below UK average (150.3p)
Diesel
183.0p avg
4.7p above UK average (178.3p)
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.
Mountain Ash (MID GLAMORGAN) currently has 2 petrol stations tracked by Fuel Costs UK. The average unleaded petrol price in Mountain Ash today is 149.0p per litre, which is 1.3p below the UK national average of 150.3p.
The cheapest unleaded petrol in Mountain Ash right now is 148.9p at RONTEC MOUNTAIN ASH. The cheapest diesel is 180.9p at RONTEC MOUNTAIN ASH.
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.