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Cheapest Petrol & Diesel in Cardiff Today

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

Cheapest Petrol in Cardiff

148.7p per litre at Asda, Canton Cardiff
Area average: 154.3p — save up to 5.6p/litre

Cheapest Diesel in Cardiff

164.7p per litre at Asda, Canton Cardiff
Area average: 171.4p — save up to 6.7p/litre
See all 29 stations View on map 30-day trend Annual cost
Browse by brand: EssoTescoAsdaTexacoTexacoSainsbury'sValeroBP

Worth the Drive?

Petrol averages 3.4p less in Gabalfa (150.9p vs 154.3p here). The round trip is about 1 miles each way, costing roughly £0.34 in fuel at 35 mpg. A 60‑litre fill would save £2.02 — a net saving of £1.68 after the return journey.

Diesel averages 6.5p less in Llandaff North (164.9p vs 171.4p here). The round trip is about 2 miles each way, costing roughly £0.70 in fuel at 50 mpg. A 60‑litre fill would save £3.88 — a net saving of £3.19 after the return journey.

There are 29 fuel stations in Cardiff reporting live prices via the UK government's Fuel Finder service. Unleaded petrol (E10) averages 154.3p per litre across 29 stations. Diesel (B7) averages 171.4p across 29 stations. Unleaded is 1.1p below the national average of 155.4p.

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 Cardiff.

Fuel Stations in Cardiff

Station ⇅ Postcode ⇅ E10 ⇅ E5 ⇅ B7 ⇅ SDV ⇅
Asda, Grangetown Cardiff CF11 0JR Super-market 152.9p – 168.9p –
Asda, Canton Cardiff CF11 8AZ Super-market 148.7p Cheapest – 164.7p Cheapest –
Asda, Whitchurch Cardiff CF14 7EW Super-market 149.7p – 166.7p –
Asda, Pontprennau Cardiff CF23 8NL Super-market 152.9p – 169.9p –
BP, Nantgarw Cardiff CF15 7UN 152.9p 171.9p 169.9p 188.9p
Esso, Grangetown Cardiff CF11 7AS 156.9p 175.9p 173.9p 189.9p
Esso, Pontcanna Cardiff CF11 9HA 155.9p – 174.9p 193.9p
Esso, Penylan Cardiff CF23 9AE 156.9p 175.9p 172.9p 189.9p
Esso, Roath Cardiff CF24 1AG 156.9p 175.9p 172.9p 189.9p
Esso, Canton Cardiff CF5 1BP 155.9p 174.9p 174.9p 193.9p
Esso, Llandaff Cardiff CF5 2PY 156.9p 175.9p 174.9p –
Sainsbury's, Thornhill Cardiff CF14 9BB Super-market 152.9p 164.9p 169.9p –
Sainsbury's, Penylan Cardiff CF23 9XN Super-market 151.9p – 169.9p –
Tesco, Gabalfa Cardiff CF14 3AT Super-market 149.9p 159.9p Cheapest 166.9p –
Tesco, Heath Cardiff CF14 6BN Super-market 151.9p 161.9p 167.9p –
Tesco, Tremorfa Cardiff CF24 2HP Super-market 152.9p 162.9p 168.9p –
Tesco, Trowbridge Cardiff CF3 0EF Super-market 152.9p 162.9p 167.9p –
Tesco, St. Georges-super-Ely Cardiff CF5 6XQ Super-market 149.9p 160.9p 167.9p –
Texaco, Caerdydd Cardiff CF11 6AF Super-market 153.9p – 174.9p 194.9p
Texaco, Grangetown Cardiff CF11 8AF 156.9p 169.9p 173.9p –
Texaco, Gabalfa Cardiff CF14 3AD Super-market 151.9p – 169.9p –
Texaco, Fairwater Cardiff CF5 2PW 156.9p 174.9p 172.9p –
Texaco, Cyncoed Cardiff CF14 4HT Super-market 154.9p – 167.9p –
Texaco, Pentwyn Cardiff CF23 7XH 158.9p 177.9p 176.9p 197.9p
Texaco, Old St. Mellons Cardiff CF3 5UG 154.9p 174.9p 169.9p –
Tivoli Service Station, Llandaff North Cardiff CF14 2FF 151.9p 166.9p 164.9p 179.9p Cheapest
Valero, Grangetown Cardiff CF11 8WD 157.9p 177.9p 175.9p 195.9p
Valero, Penylan Cardiff CF23 9AD 156.9p 169.9p 172.9p –
Welcome Break, Pontprennau Cardiff CF23 8RA Motorway 159.9p 171.9p 185.9p 197.9p

Station Map

Nearby Towns

Gabalfa
2 stations
Unleaded avg 150.9p
Diesel avg 168.4p
Cyncoed
1 stations
Unleaded avg 154.9p
Diesel avg 167.9p
Pontcanna
1 stations
Unleaded avg 155.9p
Diesel avg 174.9p
Roath
1 stations
Unleaded avg 156.9p
Diesel avg 172.9p
Llandaff North
1 stations
Unleaded avg 151.9p
Diesel avg 164.9p
Penylan
3 stations
Unleaded avg 155.2p
Diesel avg 171.9p
Caerdydd
2 stations
Unleaded avg 153.4p
Diesel avg 171.9p
Canton
2 stations
Unleaded avg 152.3p
Diesel avg 169.8p

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

Unleaded (E10)
154.3p
29 stations
±2.9p std dev
1.1p below national
Super Unleaded (E5)
170.4p
20 stations
±6.0p std dev
3.0p below national
Diesel (B7)
171.4p
29 stations
±4.3p std dev
0.5p below national
Premium Diesel
192.1p
11 stations
±5.0p std dev
+0.3p vs national

30-Day Price Trend in the Cardiff Region (pence per litre)

Daily averages across all stations in the Cardiff postcode area over the last 30 days. Cardiff sits within this region.

What does fuel cost a typical driver in Cardiff?

At current prices, a typical driver covering 12000 miles a year in a petrol car averaging 35 mpg spends about £2404/year on fuel in Cardiff (at 154.3p/L). That's £18 less than the UK average of £2422. Across the wider Cardiff (CF) postcode area petrol averages 153.6p/L, working out at £2394/year.

A diesel driver doing the same 12000 miles at 50 mpg spends about £1870/year at Cardiff's average diesel price of 171.4p/L. That's £6 less than the UK average of £1876. Across the wider Cardiff (CF) postcode area diesel averages 170.0p/L — £1855/year.

Choose the right station — save £££

The cheapest petrol in Cardiff is 148.7p/L and the most expensive is 159.9p/L — a 11.2p/L spread. Filling a 60‑litre tank at the cheapest vs the dearest saves £6.72.

For diesel the spread is 21.2p/L (164.7p cheapest, 185.9p dearest) — £12.72 saved on a 60‑litre fill.

Fuel Prices by Brand in Cardiff

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

Esso Fuel Prices in Cardiff

There are 6 Esso forecourts in Cardiff. Petrol averages 156.6p/L — 2.3p above the Cardiff average. Diesel averages 174.1p/L (2.7p above town avg). Cheapest petrol: Esso, Pontcanna at 155.9p. Esso fuel prices across the UK →

Show 6 Esso stations
StationPostcodeE10B7
Esso, Grangetown CF11 7AS 156.9p 173.9p
Esso, Pontcanna CF11 9HA 155.9p 174.9p
Esso, Penylan CF23 9AE 156.9p 172.9p
Esso, Roath CF24 1AG 156.9p 172.9p
Esso, Canton CF5 1BP 155.9p 174.9p
Esso, Llandaff CF5 2PY 156.9p 174.9p

Tesco Fuel Prices in Cardiff

There are 5 Tesco forecourts in Cardiff. Petrol averages 151.5p/L — 2.8p below the Cardiff average. Diesel averages 167.9p/L (3.5p below town avg). Cheapest petrol: Tesco, Gabalfa at 149.9p. Tesco fuel prices across the UK →

Show 5 Tesco stations
StationPostcodeE10B7
Tesco, Gabalfa CF14 3AT 149.9p 166.9p
Tesco, Heath CF14 6BN 151.9p 167.9p
Tesco, Tremorfa CF24 2HP 152.9p 168.9p
Tesco, Trowbridge CF3 0EF 152.9p 167.9p
Tesco, St. Georges-super-Ely CF5 6XQ 149.9p 167.9p

Asda Fuel Prices in Cardiff

There are 4 Asda forecourts in Cardiff. Petrol averages 151.1p/L — 3.2p below the Cardiff average. Diesel averages 167.6p/L (3.8p below town avg). Cheapest petrol: Asda, Canton at 148.7p. Asda fuel prices across the UK →

Show 4 Asda stations
StationPostcodeE10B7
Asda, Grangetown CF11 0JR 152.9p 168.9p
Asda, Canton CF11 8AZ 148.7p 164.7p
Asda, Whitchurch CF14 7EW 149.7p 166.7p
Asda, Pontprennau CF23 8NL 152.9p 169.9p

Texaco Fuel Prices in Cardiff

There are 4 Texaco forecourts in Cardiff. Petrol averages 154.9p/L — 0.6p above the Cardiff average. Diesel averages 172.9p/L (1.5p above town avg). Cheapest petrol: Texaco, Gabalfa at 151.9p. Texaco fuel prices across the UK →

Show 4 Texaco stations
StationPostcodeE10B7
Texaco, Caerdydd CF11 6AF 153.9p 174.9p
Texaco, Grangetown CF11 8AF 156.9p 173.9p
Texaco, Gabalfa CF14 3AD 151.9p 169.9p
Texaco, Fairwater CF5 2PW 156.9p 172.9p

Texaco Fuel Prices in Cardiff

There are 3 Texaco forecourts in Cardiff. Petrol averages 156.2p/L — 1.9p above the Cardiff average. Diesel averages 171.6p/L (0.2p above town avg). Cheapest petrol: Texaco, Cyncoed at 154.9p. Texaco fuel prices across the UK →

Show 3 Texaco stations
StationPostcodeE10B7
Texaco, Cyncoed CF14 4HT 154.9p 167.9p
Texaco, Pentwyn CF23 7XH 158.9p 176.9p
Texaco, Old St. Mellons CF3 5UG 154.9p 169.9p

Sainsbury's Fuel Prices in Cardiff

There are 2 Sainsbury's forecourts in Cardiff. Petrol averages 152.4p/L — 1.9p below the Cardiff average. Diesel averages 169.9p/L (1.5p below town avg). Cheapest petrol: Sainsbury's, Penylan at 151.9p. Sainsbury's fuel prices across the UK →

Show 2 Sainsbury's stations
StationPostcodeE10B7
Sainsbury's, Thornhill CF14 9BB 152.9p 169.9p
Sainsbury's, Penylan CF23 9XN 151.9p 169.9p

Valero Fuel Prices in Cardiff

There are 2 Valero forecourts in Cardiff. Petrol averages 157.4p/L — 3.1p above the Cardiff average. Diesel averages 174.4p/L (3.0p above town avg). Cheapest petrol: Valero, Penylan at 156.9p. Valero fuel prices across the UK →

Show 2 Valero stations
StationPostcodeE10B7
Valero, Grangetown CF11 8WD 157.9p 175.9p
Valero, Penylan CF23 9AD 156.9p 172.9p

BP Fuel Prices in Cardiff

There is 1 BP forecourt in Cardiff. Petrol is 152.9p/L — 1.4p below the Cardiff average. Diesel is 169.9p/L (1.5p below town avg). Live prices: BP, Nantgarw. BP fuel prices across the UK →

Show station details
StationPostcodeE10B7
BP, Nantgarw CF15 7UN 152.9p 169.9p

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Frequently Asked Questions

The cheapest unleaded petrol (E10) in Cardiff today is 148.7p per litre at ASDA, CF11 8AZ. The average across 29 stations is 154.3p. Prices are sourced from the UK government's Fuel Finder service and updated every 30 minutes.

The cheapest diesel (B7) in Cardiff today is 164.7p per litre at ASDA, CF11 8AZ. The average across 29 stations is 171.4p. Prices are sourced from the UK government's Fuel Finder service.

The average unleaded (E10) price in Cardiff is 154.3p per litre from 29 stations. The national average is 155.4p, so Cardiff is 1.1p below the national average.

The average diesel (B7) price in Cardiff is 171.4p per litre from 29 stations. The national average is 171.9p, so Cardiff is 0.5p below the national average.

There are currently 29 fuel stations reporting prices in Cardiff. 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.