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Cheapest Petrol & Diesel in Swansea Today

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

Cheapest Petrol in Swansea

148.9p per litre at Tesco, Cockett Swansea
Area average: 151.1p — save up to 2.2p/litre

Cheapest Diesel in Swansea

162.7p per litre at Asda, Llansamlet Swansea
Area average: 165.9p — save up to 3.2p/litre
See all 18 stations View on map 30-day trend Annual cost
Browse by brand: TexacoEG On The MoveTescoAsdaBPBroadway service station TexacoEssoMorrisons

Worth the Drive?

Petrol averages 1.2p less in Bonymaen (149.9p vs 151.1p here). The round trip is about 1 miles each way, costing roughly £0.52 in fuel at 35 mpg. A 60‑litre fill would save £0.73 — a net saving of £0.21 after the return journey.

Diesel averages 3.0p less in Bonymaen (162.9p vs 165.9p here). The round trip is about 1 miles each way, costing roughly £0.39 in fuel at 50 mpg. A 60‑litre fill would save £1.79 — a net saving of £1.40 after the return journey.

There are 18 fuel stations in Swansea reporting live prices via the UK government's Fuel Finder service. Unleaded petrol (E10) averages 151.1p per litre across 18 stations. Diesel (B7) averages 165.9p across 18 stations. Unleaded is 1.8p below the national average of 152.9p.

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 Swansea.

Fuel Stations in Swansea

Station ⇅ Postcode ⇅ E10 ⇅ E5 ⇅ B7 ⇅ SDV ⇅
Asda, Llansamlet Swansea SA6 8PS 149.7p – 162.7p Cheapest –
BP, Llansamlet Swansea SA7 9AD 152.9p 171.9p 168.9p 187.9p
Broadway service station Texaco, Uplands Swansea SA2 0FA 151.9p – 169.9p –
EG On The Move, St Thomas Swansea SA1 8PA 149.9p 169.9p 165.9p 185.9p
EG On The Move, Cockett Swansea SA5 4AN 149.9p 169.9p 167.9p –
EG On The Move, Morriston Swansea SA6 8EF 151.9p 171.9p 168.9p 191.9p
Esso, Killay Swansea SA2 7QT 152.9p 175.9p 166.9p 189.9p
Morrisons, Bonymaen Swansea SA1 7DF Super-market 149.9p 165.9p 162.9p –
Sainsbury's, Waterfront Swansea SA1 8JA Super-market 149.9p 161.9p 162.9p –
Shell, Sketty Swansea SA2 9BZ 152.9p 174.9p 166.9p 194.9p
Tesco, Cockett Swansea SA5 4BA Super-market 148.9p Cheapest 158.9p Cheapest 162.9p –
Tesco, Llansamlet Swansea SA7 9RD Super-market 149.9p 159.9p 162.9p –
Texaco, Landore Swansea SA1 2JG 151.9p 169.9p 165.9p 185.9p
Texaco, Mumbles Swansea SA3 5AS 151.9p 169.9p 166.9p 185.9p
Texaco, Mynyddbach Swansea SA5 9AX 151.9p 172.9p 165.9p –
Texaco, Llansamlet Swansea SA7 9BA 149.9p 170.9p 162.9p 183.9p Cheapest
Texaco Killay, Killay Swansea SA2 7AE Super-market 151.9p – 168.9p 187.9p
Valero, Penderry Swansea SA5 8AQ 151.9p 169.9p 165.9p 185.9p

Station Map

Nearby Towns

Penderry
1 stations
Unleaded avg 151.9p
Diesel avg 165.9p
Landore
1 stations
Unleaded avg 151.9p
Diesel avg 165.9p
Bonymaen
1 stations
Unleaded avg 149.9p
Diesel avg 162.9p
Mynyddbach
1 stations
Unleaded avg 151.9p
Diesel avg 165.9p
Waterfront
1 stations
Unleaded avg 149.9p
Diesel avg 162.9p
Uplands
1 stations
Unleaded avg 151.9p
Diesel avg 169.9p
Cockett
2 stations
Unleaded avg 149.4p
Diesel avg 165.4p
Sketty
1 stations
Unleaded avg 152.9p
Diesel avg 166.9p

Average Petrol and Diesel Prices in Swansea (pence per litre)

Unleaded (E10)
151.1p
18 stations
±1.3p std dev
1.8p below national
Super Unleaded (E5)
169.0p
15 stations
±4.9p std dev
2.3p below national
Diesel (B7)
165.9p
18 stations
±2.4p std dev
4.8p below national
Premium Diesel
188.0p
10 stations
±3.2p std dev
3.2p below national

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. Swansea sits within this region.

What does fuel cost a typical driver in Swansea?

At current prices, a typical driver covering 12000 miles a year in a petrol car averaging 35 mpg spends about £2355/year on fuel in Swansea (at 151.1p/L). That's £28 less than the UK average of £2383. Across the wider Swansea (SA) postcode area petrol averages 152.4p/L, working out at £2375/year.

A diesel driver doing the same 12000 miles at 50 mpg spends about £1810/year at Swansea's average diesel price of 165.9p/L. That's £52 less than the UK average of £1862. Across the wider Swansea (SA) postcode area diesel averages 167.6p/L — £1829/year.

Choose the right station — save £££

The cheapest petrol in Swansea is 148.9p/L and the most expensive is 152.9p/L — a 4.0p/L spread. Filling a 60‑litre tank at the cheapest vs the dearest saves £2.40.

For diesel the spread is 7.2p/L (162.7p cheapest, 169.9p dearest) — £4.32 saved on a 60‑litre fill.

Fuel Prices by Brand in Swansea

Average prices and cheapest station for each fuel brand in Swansea.

Texaco Fuel Prices in Swansea

There are 4 Texaco forecourts in Swansea. Petrol averages 151.4p/L — 0.3p above the Swansea average. Diesel averages 165.4p/L (0.5p below town avg). Cheapest petrol: Texaco, Llansamlet at 149.9p. Texaco fuel prices across the UK →

Show 4 Texaco stations
StationPostcodeE10B7
Texaco, Landore SA1 2JG 151.9p 165.9p
Texaco, Mumbles SA3 5AS 151.9p 166.9p
Texaco, Mynyddbach SA5 9AX 151.9p 165.9p
Texaco, Llansamlet SA7 9BA 149.9p 162.9p

EG On The Move Fuel Prices in Swansea

There are 3 EG On The Move forecourts in Swansea. Petrol averages 150.6p/L — 0.5p below the Swansea average. Diesel averages 167.6p/L (1.7p above town avg). Cheapest petrol: EG On The Move, St Thomas at 149.9p. EG On The Move fuel prices across the UK →

Show 3 EG On The Move stations
StationPostcodeE10B7
EG On The Move, St Thomas SA1 8PA 149.9p 165.9p
EG On The Move, Cockett SA5 4AN 149.9p 167.9p
EG On The Move, Morriston SA6 8EF 151.9p 168.9p

Tesco Fuel Prices in Swansea

There are 2 Tesco forecourts in Swansea. Petrol averages 149.4p/L — 1.7p below the Swansea average. Diesel averages 162.9p/L (3.0p below town avg). Cheapest petrol: Tesco, Cockett at 148.9p. Tesco fuel prices across the UK →

Show 2 Tesco stations
StationPostcodeE10B7
Tesco, Cockett SA5 4BA 148.9p 162.9p
Tesco, Llansamlet SA7 9RD 149.9p 162.9p

Asda Fuel Prices in Swansea

There is 1 Asda forecourt in Swansea. Petrol is 149.7p/L — 1.4p below the Swansea average. Diesel is 162.7p/L (3.2p below town avg). Live prices: Asda, Llansamlet. Asda fuel prices across the UK →

Show station details
StationPostcodeE10B7
Asda, Llansamlet SA6 8PS 149.7p 162.7p

BP Fuel Prices in Swansea

There is 1 BP forecourt in Swansea. Petrol is 152.9p/L — 1.8p above the Swansea average. Diesel is 168.9p/L (3.0p above town avg). Live prices: BP, Llansamlet. BP fuel prices across the UK →

Show station details
StationPostcodeE10B7
BP, Llansamlet SA7 9AD 152.9p 168.9p

Broadway service station Texaco Fuel Prices in Swansea

There is 1 Broadway service station Texaco forecourt in Swansea. Petrol is 151.9p/L — 0.8p above the Swansea average. Diesel is 169.9p/L (4.0p above town avg). Live prices: Broadway service station Texaco, Uplands.

Show station details
StationPostcodeE10B7
Broadway service station Texaco, Uplands SA2 0FA 151.9p 169.9p

Esso Fuel Prices in Swansea

There is 1 Esso forecourt in Swansea. Petrol is 152.9p/L — 1.8p above the Swansea average. Diesel is 166.9p/L (1.0p above town avg). Live prices: Esso, Killay. Esso fuel prices across the UK →

Show station details
StationPostcodeE10B7
Esso, Killay SA2 7QT 152.9p 166.9p

Morrisons Fuel Prices in Swansea

There is 1 Morrisons forecourt in Swansea. Petrol is 149.9p/L — 1.2p below the Swansea average. Diesel is 162.9p/L (3.0p below town avg). Live prices: Morrisons, Bonymaen. Morrisons fuel prices across the UK →

Show station details
StationPostcodeE10B7
Morrisons, Bonymaen SA1 7DF 149.9p 162.9p

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Frequently Asked Questions

The cheapest unleaded petrol (E10) in Swansea today is 148.9p per litre at TESCO, SA5 4BA. The average across 18 stations is 151.1p. Prices are sourced from the UK government's Fuel Finder service and updated every 30 minutes.

The cheapest diesel (B7) in Swansea today is 162.7p per litre at ASDA, SA6 8PS. The average across 18 stations is 165.9p. Prices are sourced from the UK government's Fuel Finder service.

The average unleaded (E10) price in Swansea is 151.1p per litre from 18 stations. The national average is 152.9p, so Swansea is 1.8p below the national average.

The average diesel (B7) price in Swansea is 165.9p per litre from 18 stations. The national average is 170.7p, so Swansea is 4.8p below the national average.

There are currently 18 fuel stations reporting prices in Swansea. 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.