Cheapest Petrol & Diesel in St Mary's Today
☆ SaveLast updated: · Prices refresh every 30 minutes from the UK government's Fuel Finder service.
Cheapest Petrol in St Mary's
Cheapest Diesel in St Mary's
Worth the Drive?
Petrol averages 49.1p less in Trevarrack (148.9p vs 198.0p here). The round trip is about 49 miles each way, costing roughly £18.93 in fuel at 35 mpg. A 60‑litre fill would save £29.46 — a net saving of £10.53 after the return journey.
Diesel averages 37.1p less in Trevarrack (167.9p vs 205.0p here). The round trip is about 49 miles each way, costing roughly £14.94 in fuel at 50 mpg. A 60‑litre fill would save £22.26 — a net saving of £7.32 after the return journey.
There are 1 fuel stations in St Mary's reporting live prices via the UK government's Fuel Finder service. Unleaded petrol (E10) averages 198.0p per litre across 1 stations. Diesel (B7) averages 205.0p across 1 stations. Unleaded is 42.8p above the national average of 155.2p.
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 Mary's.
Fuel Stations in St Mary's
| Station | Postcode | E10 | E5 | B7 | SDV |
|---|---|---|---|---|---|
| Island Carriers, Hugh Town St Mary's | TR21 0JY | 198.0p Cheapest | – | 205.0p Cheapest | – |
Station Map
Nearby Towns
Average Petrol and Diesel Prices in St Mary's (pence per litre)
30-Day Price Trend in the Truro Region (pence per litre)
Daily averages across all stations in the Truro postcode area over the last 30 days. St Mary's sits within this region.
What does fuel cost a typical driver in St Mary's?
At current prices, a typical driver covering 12000 miles a year in a petrol car averaging 35 mpg spends about £3086/year on fuel in St Mary's (at 198.0p/L). That's £667 more than the UK average of £2419. Across the wider Truro (TR) postcode area petrol averages 157.5p/L, working out at £2455/year.
A diesel driver doing the same 12000 miles at 50 mpg spends about £2237/year at St Mary's's average diesel price of 205.0p/L. That's £322 more than the UK average of £1915. Across the wider Truro (TR) postcode area diesel averages 176.3p/L — £1924/year.
Fuel Prices by Brand in St Mary's
Average prices and cheapest station for each fuel brand in St Mary's.
Island Carriers Fuel Prices in St Mary's
There is 1 Island Carriers forecourt in St Mary's. Petrol is 198.0p/L. Diesel is 205.0p/L. Live prices: Island Carriers, Hugh Town.
Show station details
| Station | Postcode | E10 | B7 |
|---|---|---|---|
| Island Carriers, Hugh Town | TR21 0JY | 198.0p | 205.0p |
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