Cheapest Petrol & Diesel in Johnston Today
☆ SaveLast updated: · Prices refresh every 30 minutes from the UK government's Fuel Finder service.
Cheapest Petrol in Johnston
Cheapest Diesel in Johnston
Worth the Drive?
Diesel averages 4.0p less in Hwlffordd (159.9p vs 163.9p here). The round trip is about 4 miles each way, costing roughly £1.09 in fuel at 50 mpg. A 60‑litre fill would save £2.40 — a net saving of £1.31 after the return journey.
There are 1 fuel stations in Johnston reporting live prices via the UK government's Fuel Finder service. Unleaded petrol (E10) averages 145.9p per litre across 1 stations. Diesel (B7) averages 163.9p across 1 stations. Unleaded is 5.2p below the national average of 151.1p.
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 Johnston.
Fuel Stations in Johnston
| Station | Postcode | E10 | E5 | B7 | SDV |
|---|---|---|---|---|---|
| Texaco, Haverfordwest Johnston | SA62 3PJ | 145.9p Cheapest | 164.9p Cheapest | 163.9p Cheapest | – |
Station Map
Nearby Towns
Average Petrol and Diesel Prices in Johnston (pence per litre)
30-Day Price Trend in the Swansea Region (pence per litre)
Daily averages across all stations in the Swansea postcode area over the last 30 days. Johnston sits within this region.
What does fuel cost a typical driver in Johnston?
At current prices, a typical driver covering 12000 miles a year in a petrol car averaging 35 mpg spends about £2274/year on fuel in Johnston (at 145.9p/L). That's £81 less than the UK average of £2355. Across the wider Swansea (SA) postcode area petrol averages 150.3p/L, working out at £2343/year.
A diesel driver doing the same 12000 miles at 50 mpg spends about £1788/year at Johnston's average diesel price of 163.9p/L. That's £10 less than the UK average of £1798. Across the wider Swansea (SA) postcode area diesel averages 162.1p/L — £1769/year.
Fuel Prices by Brand in Johnston
Average prices and cheapest station for each fuel brand in Johnston.
Texaco Fuel Prices in Johnston
There is 1 Texaco forecourt in Johnston. Petrol is 145.9p/L. Diesel is 163.9p/L. Live prices: Texaco, Haverfordwest. Texaco fuel prices across the UK →
Show station details
| Station | Postcode | E10 | B7 |
|---|---|---|---|
| Texaco, Haverfordwest | SA62 3PJ | 145.9p | 163.9p |
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