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Wales · UK Forecourt Price Comparison
Cheap Fuel Prices in Swansea
Locate cheap petrol and diesel in Swansea and South West Wales. Compare prices from Swansea Bay to the M4 commuter junctions.
Swansea prices— or search any postcode below
Live Swansea Benchmark
Today's Swansea Average Pump Prices
Official forecourt price disclosures are updated daily across supermarket and independent stations. Use these benchmarks to ensure you are getting a fair deal, or compare them against the broader 90-day UK national price trends to see how prices are shifting across the country.
Unleaded (E10)
139.9p/ litre
Standard petrol
Diesel (B7)
144.5p/ litre
Standard diesel
Super (E5)Premium
149.9p/ litre
High octane
Prem. DieselAdditive
154.9p/ litre
Cetane enhanced
Petrol and diesel
Switch between Unleaded (E10), Super Unleaded (E5), and Diesel to see prices relevant to your vehicle.
Map or list view
Visualise station locations across Wales or browse the sorted price list.
Fuel saving tips for drivers in Swansea
Fuel prices vary across Swansea forecourts and can change multiple times a week. Supermarket stations frequently compete with one another, while stations near major trunk roads and motorway access points tend to charge a notable premium.
To find the best rate, search using your exact departure postcode rather than a central city point. Expanding your search radius slightly can reveal forecourts located a short drive away that could save you up to 10p–15p per litre on a full tank.
Want to know if UK fuel prices are rising or falling overall? Check our live UK Fuel Price Trends Tracker to see 90-day national averages for petrol and diesel.
Fuel prices in Swansea: FAQ
How can I find the cheapest fuel in Swansea?
Use Kermo's live fuel finder by entering any Swansea postcode (such as SA1 1DF) or area. You can filter between standard Unleaded (E10), Super Unleaded (E5), and Diesel (B7) to find the lowest prices across Wales.
Which petrol stations are tracked in Swansea?
Kermo tracks major supermarket forecourts (including Tesco, Asda, Sainsbury's, and Morrisons) as well as national networks (BP, Shell, Esso, Texaco) and independent forecourts across Swansea and surrounding commuter routes.
Why do fuel prices vary across Swansea?
Forecourt pricing in Swansea depends on local competition, supermarket pricing policies, and wholesale oil fluctuations. Stations located near motorways and major trunk roads typically charge a premium compared to suburban supermarket forecourts.
How frequently are fuel prices in Swansea updated?
Prices are updated daily as fuel retailers publish their price disclosure feeds under UK Government regulations. Always verify the pump price before fuelling.
Compare fuel prices in other UK cities
Travelling outside Swansea? Compare live petrol and diesel costs across other major UK locations.
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