Live prices
Cheapest super diesel in St Austell
4 stations reporting super diesel, ranked cheapest first.
The cheapest reported super diesel in St Austell is £9.68 a gallon (212.9p per litre) at Texaco, By-pass Filling Station, Southbourne Road, ST. Austell, PL25 4RS, ST. Austell (PL25 4RS). The average across 4 forecourts currently reporting this grade is £9.87 a gallon (217.2p per litre), so choosing the cheapest rather than an average-priced forecourt saves about £2.15 on a 50-litre fill. That local average is 1.7p per litre above the UK average of 215.5p.
The average has risen 0.3p per litre since yesterday. The average has risen 1.8p per litre since last week.
Prices last refreshed at 4:31pm on 21 September 2026, supplied through the official UK Government fuel price open data scheme and checked every 30 minutes.
| Station | Unleaded | Diesel | Premium | Super diesel | Updated |
|---|---|---|---|---|---|
 Bypass Service Station (PL25 4RS)By-pass Filling Station, Southbourne Road, ST. Austell, PL25 4RS, ST. Austell | £7.91173.9p | £9.00197.9p | £8.59188.9p | £9.68212.9p | 19 mins ago |
 Eg St Austell Pfs (PL25 5DP)24h1 Penwinnick Road, ST Austell, Cornwall | £7.86172.9p | £8.95196.9p | ---- | £9.86216.9p | 19 mins ago |
| Tgc - Mid-cornwall (PL26 8LQ)24hVictoria Square, Victoria, Roche, ST Austell, Cornwall | £8.13178.9p | £9.00197.9p | £9.09199.9p | £9.95218.9p | 19 mins ago |
 Shell Cornish Gateway (PL26 8UF)24hA30 Victoria Junction, ST. Austell, Cornwall | £8.27181.9p | £9.09199.9p | £9.54209.9p | £10.00219.9p | 19 mins ago |
Prices are supplied through the official UK Government fuel price open data scheme (Open Government Licence v3.0) and checked every 30 minutes. Only stations reporting super diesel appear here.
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Questions about super diesel in St Austell
- Where is the cheapest super diesel in St Austell?
- The cheapest reported super diesel in St Austell is 212.9p per litre at Texaco, By-pass Filling Station, Southbourne Road, ST. Austell, PL25 4RS, ST. Austell (PL25 4RS). The average across 4 forecourts reporting this grade is 217.2p per litre. Prices were last refreshed at 4:31pm on 21 September 2026 from official UK Government fuel price data.
- How many stations in St Austell sell super diesel?
- 4 forecourts in St Austell currently report a price for super diesel through the official UK fuel price open data scheme. Stations that do not sell or report this grade are not counted.