Petrol and Diesel Prices in Mountain Ash
Compare petrol and diesel prices at 2 petrol stations in Mountain Ash, MID GLAMORGAN. Prices last updated 13:56 26/06/2026.
Petrol (E10)
151.9p
at RONTEC MOUNTAIN ASH
Diesel (B7)
164.9p
at RONTEC MOUNTAIN ASH
Super Unleaded (E5)
170.9p
at RONTEC MOUNTAIN ASH
Premium Diesel
N/A
Unleaded (E10)
152.0p avg
In line with UK average (152.1p)
Diesel
165.0p avg
4.0p below UK average (169.0p)
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 152.0p per litre, which is in line with the UK national average of 152.1p.
The cheapest unleaded petrol in Mountain Ash right now is 151.9p at RONTEC MOUNTAIN ASH. The cheapest diesel is 164.9p 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.