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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

150.9p per litre at Tesco, Cockett Swansea
Area average: 153.6p — save up to 2.7p/litre

Cheapest Diesel in Swansea

167.7p per litre at Asda, Llansamlet Swansea
Area average: 171.8p — save up to 4.1p/litre

Worth the Drive?

Petrol averages 1.7p less in Bonymaen (151.9p vs 153.6p 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 £0.99 — a net saving of £0.47 after the return journey.

Diesel averages 3.9p less in Bonymaen (167.9p vs 171.8p here). The round trip is about 1 miles each way, costing roughly £0.41 in fuel at 50 mpg. A 60‑litre fill would save £2.33 — a net saving of £1.92 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 153.6p per litre across 18 stations. Diesel (B7) averages 171.8p across 18 stations. Unleaded is 1.5p below the national average of 155.1p.

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 Swansea.

Fuel Stations in Swansea

Station Postcode E10 E5 B7 SDV
Asda, Llansamlet Swansea SA6 8PS 151.7p 167.7p Cheapest
BP, Llansamlet Swansea SA7 9AD 154.9p 173.9p 174.9p 193.9p
Broadway service station Texaco, Uplands Swansea SA2 0FA 155.9p 173.9p
EG On The Move, St Thomas Swansea SA1 8PA 153.8p 173.8p 169.9p 189.9p
EG On The Move, Cockett Swansea SA5 4AN 152.9p 172.9p 173.9p
EG On The Move, Morriston Swansea SA6 8EF 152.9p 172.9p 174.9p 194.9p
Esso, Killay Swansea SA2 7QT 154.9p 175.9p 172.9p 195.9p
Morrisons, Bonymaen Swansea SA1 7DF Super-market 151.9p 165.9p 167.9p
Sainsbury's, Waterfront Swansea SA1 8JA Super-market 151.9p 163.9p 169.9p
Shell, Sketty Swansea SA2 9BZ 155.9p 179.9p 173.9p 199.9p
Tesco, Cockett Swansea SA5 4BA Super-market 150.9p Cheapest 160.9p Cheapest 167.9p
Tesco, Llansamlet Swansea SA7 9RD Super-market 151.9p 161.9p 167.9p
Texaco, Landore Swansea SA1 2JG 152.9p 169.9p 173.9p 189.9p
Texaco, Mumbles Swansea SA3 5AS 154.9p 169.9p 171.9p 189.9p
Texaco, Mynyddbach Swansea SA5 9AX 153.9p 174.9p 173.9p
Texaco, Llansamlet Swansea SA7 9BA 152.9p 173.9p 169.9p 190.9p
Texaco Killay, Killay Swansea SA2 7AE Super-market 156.9p 173.9p 188.9p Cheapest
Valero, Penderry Swansea SA5 8AQ 152.9p 169.9p 172.9p 189.9p

Station Map

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

Unleaded (E10)
153.6p
18 stations
±1.6p std dev
1.5p below national
Super Unleaded (E5)
170.7p
15 stations
±5.3p std dev
2.2p below national
Diesel (B7)
171.8p
18 stations
±2.6p std dev
3.4p below national
Premium Diesel
192.4p
10 stations
±3.4p std dev
3.4p 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 £2393/year on fuel in Swansea (at 153.6p/L). That's £24 less than the UK average of £2417. Across the wider Swansea (SA) postcode area petrol averages 154.5p/L, working out at £2408/year.

A diesel driver doing the same 12000 miles at 50 mpg spends about £1874/year at Swansea's average diesel price of 171.8p/L. That's £37 less than the UK average of £1912. Across the wider Swansea (SA) postcode area diesel averages 172.3p/L — £1880/year.

Choose the right station — save £££

The cheapest petrol in Swansea is 150.9p/L and the most expensive is 156.9p/L — a 6.0p/L spread. Filling a 60‑litre tank at the cheapest vs the dearest saves £3.60.

For diesel the spread is 7.2p/L (167.7p cheapest, 174.9p 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 153.7p/L0.1p above the Swansea average. Diesel averages 172.4p/L (0.6p above town avg). Cheapest petrol: Texaco, Landore at 152.9p. Texaco fuel prices across the UK →

Show 4 Texaco stations
StationPostcodeE10B7
Texaco, Landore SA1 2JG 152.9p 173.9p
Texaco, Mumbles SA3 5AS 154.9p 171.9p
Texaco, Mynyddbach SA5 9AX 153.9p 173.9p
Texaco, Llansamlet SA7 9BA 152.9p 169.9p

EG On The Move Fuel Prices in Swansea

There are 3 EG On The Move forecourts in Swansea. Petrol averages 153.2p/L0.4p below the Swansea average. Diesel averages 172.9p/L (1.1p above town avg). Cheapest petrol: EG On The Move, Cockett at 152.9p. 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 153.8p 169.9p
EG On The Move, Cockett SA5 4AN 152.9p 173.9p
EG On The Move, Morriston SA6 8EF 152.9p 174.9p

Tesco Fuel Prices in Swansea

There are 2 Tesco forecourts in Swansea. Petrol averages 151.4p/L2.2p below the Swansea average. Diesel averages 167.9p/L (3.9p below town avg). Cheapest petrol: Tesco, Cockett at 150.9p. Tesco fuel prices across the UK →

Show 2 Tesco stations
StationPostcodeE10B7
Tesco, Cockett SA5 4BA 150.9p 167.9p
Tesco, Llansamlet SA7 9RD 151.9p 167.9p

Asda Fuel Prices in Swansea

There is 1 Asda forecourt in Swansea. Petrol is 151.7p/L1.9p below the Swansea average. Diesel is 167.7p/L (4.1p below town avg). Live prices: Asda, Llansamlet. Asda fuel prices across the UK →

Show station details
StationPostcodeE10B7
Asda, Llansamlet SA6 8PS 151.7p 167.7p

BP Fuel Prices in Swansea

There is 1 BP forecourt in Swansea. Petrol is 154.9p/L1.3p above the Swansea average. Diesel is 174.9p/L (3.1p above town avg). Live prices: BP, Llansamlet. BP fuel prices across the UK →

Show station details
StationPostcodeE10B7
BP, Llansamlet SA7 9AD 154.9p 174.9p

Broadway service station Texaco Fuel Prices in Swansea

There is 1 Broadway service station Texaco forecourt in Swansea. Petrol is 155.9p/L2.3p above the Swansea average. Diesel is 173.9p/L (2.1p above town avg). Live prices: Broadway service station Texaco, Uplands.

Show station details
StationPostcodeE10B7
Broadway service station Texaco, Uplands SA2 0FA 155.9p 173.9p

Esso Fuel Prices in Swansea

There is 1 Esso forecourt in Swansea. Petrol is 154.9p/L1.3p above the Swansea average. Diesel is 172.9p/L (1.1p above town avg). Live prices: Esso, Killay. Esso fuel prices across the UK →

Show station details
StationPostcodeE10B7
Esso, Killay SA2 7QT 154.9p 172.9p

Morrisons Fuel Prices in Swansea

There is 1 Morrisons forecourt in Swansea. Petrol is 151.9p/L1.7p below the Swansea average. Diesel is 167.9p/L (3.9p below town avg). Live prices: Morrisons, Bonymaen. Morrisons fuel prices across the UK →

Show station details
StationPostcodeE10B7
Morrisons, Bonymaen SA1 7DF 151.9p 167.9p

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Frequently Asked Questions

The cheapest unleaded petrol (E10) in Swansea today is 150.9p per litre at TESCO, SA5 4BA. The average across 18 stations is 153.6p. Prices are sourced from the UK government's Fuel Finder service and updated every 30 minutes.

The cheapest diesel (B7) in Swansea today is 167.7p per litre at ASDA, SA6 8PS. The average across 18 stations is 171.8p. Prices are sourced from the UK government's Fuel Finder service.

The average unleaded (E10) price in Swansea is 153.6p per litre from 18 stations. The national average is 155.1p, so Swansea is 1.5p below the national average.

The average diesel (B7) price in Swansea is 171.8p per litre from 18 stations. The national average is 175.2p, so Swansea is 3.4p 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.