Petrol and diesel prices in St Austell

Cheapest petrol near St Austell right now: 176.9p at Texaco R Blackie & Son, reported 09:38 today. Petrol in St Austell averages 176.4p, 2.2p above the UK average. Cheapest diesel: 196.9p at Gulf E.g.brokenshire and Sons Penwyn Garage. Diesel in St Austell averages 198.9p, 0.3p below the UK average.

  • Gulf E.g.brokenshire and Sons Penwyn Garage showed 173.9p for petrol when it last reported, on 18 Sept. That price may have changed.
  • Petrol is 3.2p a litre cheaper in Bodmin, 10 miles away, from 173.7p.
  • Supermarket forecourts in St Austell average 175.3p for petrol, 1.4p less than other forecourts.
  • 1 of 8 forecourts here reported a petrol price in the last 3 days. Older prices show the date they were reported.
  • St Austell is in the Cornwall council area, 93rd dearest of 354 for petrol in the council league table, averaging 176.0p.
Cheapest petrol near St Austell
Gulf E.g.brokenshire and Sons Penwyn Garage 173.9p 4¼ mi Penwyn Garage, St. Austell, PL26 8EQ · reported 18 Sept Gulf St Blazey Service Station 173.9p 4¼ mi St. Blazey Service Station, Par, PL24 2NS · reported 10 Oct Asda St Austell Superstore 174.7p 1½ mi Cromwell Road, Saint Austell, PL25 4PR · reported 13 Oct EG St Austell 175.9p ¾ mi 1 Penwinnick Road, St Austell, PL25 5DP · reported 5 Oct Texaco Bypass Service Station 175.9p 1¼ mi By-Pass Filling Station, St. Austell, PL25 4RS · reported 3 Oct Tesco St Austell Daniels Ln Superstore 175.9p 2 mi Daniels Lane, St Austell, PL25 3HT · reported 2 Oct BP Service Station Biscovey 175.9p 3½ mi K T Investments Ltd, Par, PL24 2EE · reported 3 Oct Texaco R Blackie & Son 176.9p 4¼ mi Terras Garage, St. Austell, PL26 7RX

Distance in miles from St Austell town centre, as the crow flies. Showing stations within 5 miles.

Cheapest diesel near St Austell
Gulf E.g.brokenshire and Sons Penwyn Garage 196.9p 4¼ mi Penwyn Garage, St. Austell, PL26 8EQ · reported 1 Oct Gulf St Blazey Service Station 196.9p 4¼ mi St. Blazey Service Station, Par, PL24 2NS · reported 10 Oct Asda St Austell Superstore 198.7p 1½ mi Cromwell Road, Saint Austell, PL25 4PR · reported 2 Oct Tesco St Austell Daniels Ln Superstore 198.9p 2 mi Daniels Lane, St Austell, PL25 3HT · reported 2 Oct EG St Austell 199.9p ¾ mi 1 Penwinnick Road, St Austell, PL25 5DP · reported 5 Oct Texaco Bypass Service Station 199.9p 1¼ mi By-Pass Filling Station, St. Austell, PL25 4RS · reported 25 Sept BP Service Station Biscovey 199.9p 3½ mi K T Investments Ltd, Par, PL24 2EE · reported 25 Sept Texaco R Blackie & Son 199.9p 4¼ mi Terras Garage, St. Austell, PL26 7RX · reported 12 Oct

Distance in miles from St Austell town centre, as the crow flies. Showing stations within 5 miles.

Average petrol in St Austell176.4p+2.2p vs UK average
Average diesel in St Austell198.9p−0.3p vs UK average
Cheapest vs dearest petrol£3.00on a 50-litre tank in St Austell

Price trend

We started recording daily average prices in St Austell on 16 October 2026. The trend chart appears here once there are a few days of data.

Not in central St Austell?

Enter your postcode to sort stations by price, best value once the drive is counted, or distance.

All petrol stations in St Austell

8 petrol stations with a St Austell address, cheapest petrol first.

StationPetrolDieselReported
Gulf E.g.brokenshire and Sons Penwyn GaragePenwyn Garage, St. Austell, PL26 8EQ 173.9p196.9p 1 Oct
Asda St Austell SuperstoreCromwell Road, Saint Austell, PL25 4PR · Open 24 hours 174.7p198.7p 13 Oct
Texaco Bypass Service StationBy-Pass Filling Station, St. Austell, PL25 4RS 175.9p199.9p 3 Oct
EG St Austell1 Penwinnick Road, St Austell, PL25 5DP · Open 24 hours 175.9p199.9p 5 Oct
Tesco St Austell Daniels Ln SuperstoreDaniels Lane, St Austell, PL25 3HT · Open 24 hours 175.9p198.9p 2 Oct
Texaco R Blackie & SonTerras Garage, St. Austell, PL26 7RX 176.9p199.9p 16 Oct
Texaco Tgc - Mid-CornwallVictoria Square, Victoria, St Austell, PL26 8LQ · Open 24 hours 177.9p196.9p 5 Oct
Shell Cornish GatewayA30 Victoria Junction, St. Austell, PL26 8UF · Open 24 hours 179.9p199.9p 5 Oct

Supermarket fuel prices in St Austell

1 Asda and 1 Tesco forecourts in St Austell, cheapest petrol first.

StationPetrolDieselMiles
Asda St Austell SuperstoreCromwell Road, Saint Austell, PL25 4PR 174.7p198.7p2
Tesco St Austell Daniels Ln SuperstoreDaniels Lane, St Austell, PL25 3HT 175.9p198.9p2

24-hour petrol stations in St Austell

5 stations sell fuel 24 hours a day in St Austell, cheapest petrol first. Shop hours can be shorter; check the station page.

StationPetrolDieselMiles
Asda St Austell SuperstoreCromwell Road, Saint Austell, PL25 4PR 174.7p198.7p2
EG St Austell1 Penwinnick Road, St Austell, PL25 5DP 175.9p199.9p<1
Tesco St Austell Daniels Ln SuperstoreDaniels Lane, St Austell, PL25 3HT 175.9p198.9p2
Texaco Tgc - Mid-CornwallVictoria Square, Victoria, St Austell, PL26 8LQ 177.9p196.9p6
Shell Cornish GatewayA30 Victoria Junction, St. Austell, PL26 8UF 179.9p199.9p6

Super unleaded, premium diesel and AdBlue in St Austell

Super unleaded (E5)

7 stations in and around St Austell sell super unleaded (e5), averaging 192.2p a litre. The cheapest is Texaco R Blackie & Son at 183.9p.

Premium diesel

4 stations in and around St Austell sell premium diesel, averaging 219.4p a litre. The cheapest is Texaco Tgc - Mid-Cornwall at 217.9p.

AdBlue

AdBlue at the pump at Texaco Tgc - Mid-Cornwall and Shell Cornish Gateway.

Fuel price alerts for St Austell

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Fuel prices in nearby towns

Par4 milesFowey6 milesPenhale6 milesTregaswith9 milesBodmin10 milesTruro11 milesNewquay12 milesWadebridge12 miles

Fuel prices across Cornwall · All towns in South West

Questions about fuel prices in St Austell

Where is the cheapest petrol in St Austell?

Today the cheapest petrol near St Austell is 176.9p a litre at Texaco R Blackie & Son, Terras Garage, St. Austell, PL26 7RX.

How much is diesel in St Austell today?

Diesel averages 198.9p a litre across 8 forecourts in St Austell, against a UK average of 199.2p.

Which supermarket has the cheapest petrol in St Austell?

Asda St Austell Superstore is cheapest at 174.7p a litre, 2 miles from the centre. We compare 2 supermarket forecourts in St Austell above.

How up to date are these prices?

Forecourts report their prices to the government's Fuel Finder scheme and we refresh them twice a day. These were last updated 17:30 today. Each forecourt's table row shows the day its price was reported.

Is there a 24-hour petrol station in St Austell?

Yes. Asda St Austell Superstore, EG St Austell, Tesco St Austell Daniels Ln Superstore and Texaco Tgc - Mid-Cornwall sell fuel 24 hours a day, and 1 more.