Petrol and Diesel Prices in St. Austell
Compare petrol and diesel prices at 4 petrol stations in St. Austell, CORNWALL. Prices last updated 18:32 26/06/2026.
Petrol (E10)
149.9p
at E.G.BROKENSHIRE AND SONS PENWYN GARAGE
Diesel (B7)
162.9p
at E.G.BROKENSHIRE AND SONS PENWYN GARAGE
Super Unleaded (E5)
167.9p
at R Blackie & Son
Premium Diesel
192.9p
at Bypass Service Station
Unleaded (E10)
155.0p avg
3.0p above UK average (152.0p)
Diesel
171.0p avg
2.0p above UK average (169.0p)
Price History in St. Austell
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 St. Austell — worth the short drive for cheaper fuel.
St. Austell (CORNWALL) currently has 4 petrol stations tracked by FuelCosts.co.uk. The average unleaded petrol price in St. Austell today is 155.0p per litre, which is 3.0p above the UK national average of 152.0p.
The cheapest unleaded petrol in St. Austell right now is 149.9p at E.G.BROKENSHIRE AND SONS PENWYN GARAGE. The cheapest diesel is 162.9p at E.G.BROKENSHIRE AND SONS PENWYN GARAGE.
Fuel prices in St. Austell 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.