Petrol and Diesel Prices in Cornwall
Compare petrol and diesel prices at 2 petrol stations in Cornwall. Prices last updated 14:24 26/09/2026.
Petrol (E10)
171.9p
at SAINSBURYS PENZANCE
Diesel (B7)
195.9p
at SAINSBURYS PENZANCE
Super Unleaded (E5)
183.9p
at SAINSBURYS PENZANCE
Premium Diesel
220.9p
at TGC - LOOE
Unleaded (E10)
172.0p avg
2.0p below UK average (174.0p)
Diesel
198.0p avg
1.0p below UK average (199.0p)
Price History in Cornwall
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 Cornwall — worth the short drive for cheaper fuel.
Cornwall currently has 2 petrol stations tracked by FuelCosts.co.uk. The average unleaded petrol price in Cornwall today is 172.0p per litre, which is 2.0p below the UK national average of 174.0p.
The cheapest unleaded petrol in Cornwall right now is 171.9p at SAINSBURYS PENZANCE. The cheapest diesel is 195.9p at SAINSBURYS PENZANCE.
Fuel prices in Cornwall 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.