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Cheapest Petrol & Diesel in St Austell Today

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Last updated: · Prices refresh every 30 minutes from the UK government's Fuel Finder service.

Cheapest Petrol in St Austell

155.7p per litre at Asda, St Austell
Area average: 155.8p — save up to 0.2p/litre

Cheapest Diesel in St Austell

175.7p per litre at Asda, St Austell
Area average: 176.3p — save up to 0.7p/litre
See all 4 stations View on map 30-day trend Annual cost
Browse by brand: AsdaEG On The MoveTescoTexaco

Worth the Drive?

Diesel averages 6.4p less in St Dennis (169.9p vs 176.4p here). The round trip is about 7 miles each way, costing roughly £2.19 in fuel at 50 mpg. A 60‑litre fill would save £3.87 — a net saving of £1.68 after the return journey.

There are 4 fuel stations in St Austell reporting live prices via the UK government's Fuel Finder service. Unleaded petrol (E10) averages 155.8p per litre across 4 stations. Diesel (B7) averages 176.3p across 4 stations. Unleaded is 1.0p above the national average of 154.8p.

Use our fuel station finder to find the most economical place to fill up near you, or calculate the fuel cost of a longer trip from St Austell.

Fuel Stations in St Austell

Station ⇅ Postcode ⇅ E10 ⇅ E5 ⇅ B7 ⇅ SDV ⇅
Asda, St Austell PL25 4PR 155.7p Cheapest – 175.7p Cheapest –
EG On The Move, St Austell PL25 5DP 155.9p – 175.9p 195.9p Cheapest
Tesco, St Austell PL25 3HT Super-market 155.9p 164.9p Cheapest 176.9p –
Texaco, St Austell PL25 4RS 155.9p 175.9p 176.9p 196.9p

Station Map

Nearby Towns

St Blazey
2 stations
Unleaded avg 155.4p
Diesel avg 177.4p
St. Blaise
2 stations
Unleaded avg 155.4p
Diesel avg 177.4p
Fowey
1 stations
Unleaded avg 162.9p
Diesel avg 187.9p
St Dennis
1 stations
Unleaded avg 154.9p
Diesel avg 169.9p
St. Stephen-in-Brannel
1 stations
Unleaded avg 154.9p
Diesel avg 172.9p
Roche
1 stations
Unleaded avg 165.9p
Diesel avg 182.9p
Withiel
1 stations
Unleaded avg 161.9p
Diesel avg 181.9p
Indian Queens and Fraddon
2 stations
Unleaded avg 154.9p
Diesel avg 168.4p

Average Petrol and Diesel Prices in St Austell (pence per litre)

Unleaded (E10)
155.8p
4 stations
±0.1p std dev
+1.0p vs national
Super Unleaded (E5)
170.4p
2 stations
±5.5p std dev
2.3p below national
Diesel (B7)
176.3p
4 stations
±0.6p std dev
+1.7p vs national
Premium Diesel
196.4p
2 stations
±0.5p std dev
+1.1p vs national

30-Day Price Trend in the Plymouth Region (pence per litre)

Daily averages across all stations in the Plymouth postcode area over the last 30 days. St Austell sits within this region.

What does fuel cost a typical driver in St Austell?

At current prices, a typical driver covering 12000 miles a year in a petrol car averaging 35 mpg spends about £2429/year on fuel in St Austell (at 155.9p/L). That's £16 more than the UK average of £2413. Across the wider Plymouth (PL) postcode area petrol averages 156.9p/L, working out at £2446/year.

A diesel driver doing the same 12000 miles at 50 mpg spends about £1924/year at St Austell's average diesel price of 176.4p/L. That's £18 more than the UK average of £1906. Across the wider Plymouth (PL) postcode area diesel averages 176.5p/L — £1926/year.

Choose the right station — save £££

For diesel the spread is 1.2p/L (175.7p cheapest, 176.9p dearest) — £0.72 saved on a 60‑litre fill.

Fuel Prices by Brand in St Austell

Average prices and cheapest station for each fuel brand in St Austell.

Asda Fuel Prices in St Austell

There is 1 Asda forecourt in St Austell. Petrol is 155.7p/L — 0.2p below the St Austell average. Diesel is 175.7p/L (0.7p below town avg). Live prices: Asda, St Austell. Asda fuel prices across the UK →

Show station details
StationPostcodeE10B7
Asda, St Austell PL25 4PR 155.7p 175.7p

EG On The Move Fuel Prices in St Austell

There is 1 EG On The Move forecourt in St Austell. Petrol is 155.9p/L — 0.1p above the St Austell average. Diesel is 175.9p/L (0.4p below town avg). Live prices: EG On The Move, St Austell. EG On The Move fuel prices across the UK →

Show station details
StationPostcodeE10B7
EG On The Move, St Austell PL25 5DP 155.9p 175.9p

Tesco Fuel Prices in St Austell

There is 1 Tesco forecourt in St Austell. Petrol is 155.9p/L — 0.1p above the St Austell average. Diesel is 176.9p/L (0.6p above town avg). Live prices: Tesco, St Austell. Tesco fuel prices across the UK →

Show station details
StationPostcodeE10B7
Tesco, St Austell PL25 3HT 155.9p 176.9p

Texaco Fuel Prices in St Austell

There is 1 Texaco forecourt in St Austell. Petrol is 155.9p/L — 0.1p above the St Austell average. Diesel is 176.9p/L (0.6p above town avg). Live prices: Texaco, St Austell. Texaco fuel prices across the UK →

Show station details
StationPostcodeE10B7
Texaco, St Austell PL25 4RS 155.9p 176.9p

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Frequently Asked Questions

The cheapest unleaded petrol (E10) in St Austell today is 155.7p per litre at ASDA, PL25 4PR. The average across 4 stations is 155.8p. Prices are sourced from the UK government's Fuel Finder service and updated every 30 minutes.

The cheapest diesel (B7) in St Austell today is 175.7p per litre at ASDA, PL25 4PR. The average across 4 stations is 176.3p. Prices are sourced from the UK government's Fuel Finder service.

The average unleaded (E10) price in St Austell is 155.8p per litre from 4 stations. The national average is 154.8p, so St Austell is 1.0p above the national average.

The average diesel (B7) price in St Austell is 176.3p per litre from 4 stations. The national average is 174.7p, so St Austell is 1.7p above the national average.

There are currently 4 fuel stations reporting prices in St Austell. This includes supermarket forecourts, independent stations, and branded sites.

Fuel prices on MPG Calc are updated every 30 minutes using official data from the UK government's Fuel Finder service. All retailers with 250+ filling stations are required by law to report their prices, covering the vast majority of UK forecourts.