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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

151.7p per litre at Asda, Whitchurch Cardiff
Area average: 155.0p — save up to 3.3p/litre

Cheapest Diesel in Cardiff

170.7p per litre at Asda, Whitchurch Cardiff
Area average: 176.1p — save up to 5.4p/litre
See all 28 stations View on map 30-day trend Annual cost
Browse by brand: EssoTescoTexacoAsdaTexacoSainsbury'sTivoli Service StationValero

Worth the Drive?

Petrol averages 2.1p less in Cyncoed (152.9p vs 155.0p here). The round trip is about 2 miles each way, costing roughly £0.72 in fuel at 35 mpg. A 60‑litre fill would save £1.26 — a net saving of £0.54 after the return journey.

Diesel averages 4.2p less in Heath (171.9p vs 176.1p here). The round trip is about 2 miles each way, costing roughly £0.78 in fuel at 50 mpg. A 60‑litre fill would save £2.50 — a net saving of £1.72 after the return journey.

There are 28 fuel stations in Cardiff reporting live prices via the UK government's Fuel Finder service. Unleaded petrol (E10) averages 155.0p per litre across 28 stations. Diesel (B7) averages 176.1p across 28 stations. Unleaded is 1.1p below the national average of 156.1p.

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 Cardiff.

Fuel Stations in Cardiff

Station ⇅ Postcode ⇅ E10 ⇅ E5 ⇅ B7 ⇅ SDV ⇅
Asda, Grangetown Cardiff CF11 0JR 153.9p – 172.9p –
Asda, Canton Cardiff CF11 8AZ 152.7p – 171.7p –
Asda, Whitchurch Cardiff CF14 7EW 151.7p Cheapest – 170.7p Cheapest –
Asda, Pontprennau Cardiff CF23 8NL 152.9p – 170.9p –
Esso, Grangetown Cardiff CF11 7AS 156.9p 179.9p 177.9p 199.9p
Esso, Pontcanna Cardiff CF11 9HA 156.9p – 176.9p 195.9p
Esso, Penylan Cardiff CF23 9AE 155.9p 179.9p 176.9p 199.9p
Esso, Roath Cardiff CF24 1AG 155.9p 179.9p 176.9p 199.9p
Esso, Canton Cardiff CF5 1BP 156.9p 175.9p 176.9p 195.9p
Esso, Llandaff Cardiff CF5 2PY 154.9p 173.9p 180.9p –
Sainsbury's, Thornhill Cardiff CF14 9BB Super-market 152.9p 164.9p 171.9p –
Sainsbury's, Penylan Cardiff CF23 9XN Super-market 152.9p – 170.9p –
Tesco, Gabalfa Cardiff CF14 3AT Super-market 152.9p 161.9p 171.9p –
Tesco, Heath Cardiff CF14 6BN Super-market 152.9p 161.9p 171.9p –
Tesco, Tremorfa Cardiff CF24 2HP Super-market 152.9p 161.9p 170.9p –
Tesco, Trowbridge Cardiff CF3 0EF Super-market 152.9p 161.9p 170.9p –
Tesco, St. Georges-super-Ely Cardiff CF5 6XQ Super-market 152.9p 162.9p 171.9p –
Texaco, Cardiff CF11 6AF Super-market 156.9p – 181.9p 199.9p
Texaco, Grangetown Cardiff CF11 8AF 156.9p 175.9p 177.9p –
Texaco, Gabalfa Cardiff CF14 3AD Super-market 158.9p – 179.9p –
Texaco, Penylan Cardiff CF23 9AD 155.9p 175.9p 176.9p –
Texaco, Fairwater Cardiff CF5 2PW 153.9p 171.9p 178.9p –
Texaco, Cyncoed Cardiff CF14 4HT Super-market 152.9p – 177.9p –
Texaco, Pentwyn Cardiff CF23 7XH 157.9p 174.9p 179.9p 197.9p
Texaco, Old St. Mellons Cardiff CF3 5UG 154.9p 174.9p 175.9p –
Tivoli Service Station, Llandaff North Cardiff CF14 2FF ✓ 154.9p 159.9p Cheapest 179.9p 182.9p Cheapest
Valero, Grangetown Cardiff CF11 8WD 157.9p 177.9p 177.9p 197.9p
Welcome Break, Pontprennau Cardiff CF23 8RA Motorway 159.9p 169.9p 189.9p 199.9p

Station Map

Nearby Towns

Gabalfa
2 stations
Unleaded avg 155.9p
Diesel avg 175.9p
Pontcanna
1 stations
Unleaded avg 156.9p
Diesel avg 176.9p
Roath
1 stations
Unleaded avg 155.9p
Diesel avg 176.9p
Cyncoed
1 stations
Unleaded avg 152.9p
Diesel avg 177.9p
Penylan
3 stations
Unleaded avg 154.9p
Diesel avg 174.9p
Llandaff North
1 stations
Unleaded avg 154.9p
Diesel avg 179.9p
Heath
1 stations
Unleaded avg 152.9p
Diesel avg 171.9p
Canton
2 stations
Unleaded avg 154.8p
Diesel avg 174.3p

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

Unleaded (E10)
155.0p
28 stations
±2.2p std dev
1.1p below national
Super Unleaded (E5)
170.8p
19 stations
±7.1p std dev
3.8p below national
Diesel (B7)
176.1p
28 stations
±4.4p std dev
1.4p below national
Premium Diesel
197.0p
10 stations
±4.9p std dev
1.4p below 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 £2416/year on fuel in Cardiff (at 155.0p/L). That's £17 less than the UK average of £2433. Across the wider Cardiff (CF) postcode area petrol averages 154.2p/L, working out at £2403/year.

A diesel driver doing the same 12000 miles at 50 mpg spends about £1921/year at Cardiff's average diesel price of 176.1p/L. That's £16 less than the UK average of £1937. Across the wider Cardiff (CF) postcode area diesel averages 175.5p/L — £1915/year.

Choose the right station — save £££

The cheapest petrol in Cardiff is 151.7p/L and the most expensive is 159.9p/L — a 8.2p/L spread. Filling a 60‑litre tank at the cheapest vs the dearest saves £4.92.

For diesel the spread is 19.2p/L (170.7p cheapest, 189.9p dearest) — £11.52 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 156.2p/L — 1.2p above the Cardiff average. Diesel averages 177.7p/L (1.6p above town avg). Cheapest petrol: Esso, Llandaff at 154.9p. Esso fuel prices across the UK →

Show 6 Esso stations
StationPostcodeE10B7
Esso, Grangetown CF11 7AS 156.9p 177.9p
Esso, Pontcanna CF11 9HA 156.9p 176.9p
Esso, Penylan CF23 9AE 155.9p 176.9p
Esso, Roath CF24 1AG 155.9p 176.9p
Esso, Canton CF5 1BP 156.9p 176.9p
Esso, Llandaff CF5 2PY 154.9p 180.9p

Tesco Fuel Prices in Cardiff

There are 5 Tesco forecourts in Cardiff. Petrol averages 152.9p/L — 2.1p below the Cardiff average. Diesel averages 171.5p/L (4.6p below town avg). Cheapest petrol: Tesco, Gabalfa at 152.9p. Tesco fuel prices across the UK →

Show 5 Tesco stations
StationPostcodeE10B7
Tesco, Gabalfa CF14 3AT 152.9p 171.9p
Tesco, Heath CF14 6BN 152.9p 171.9p
Tesco, Tremorfa CF24 2HP 152.9p 170.9p
Tesco, Trowbridge CF3 0EF 152.9p 170.9p
Tesco, St. Georges-super-Ely CF5 6XQ 152.9p 171.9p

Texaco Fuel Prices in Cardiff

There are 5 Texaco forecourts in Cardiff. Petrol averages 156.5p/L — 1.5p above the Cardiff average. Diesel averages 179.1p/L (3.0p above town avg). Cheapest petrol: Texaco, Fairwater at 153.9p. Texaco fuel prices across the UK →

Show 5 Texaco stations
StationPostcodeE10B7
Texaco, Cardiff CF11 6AF 156.9p 181.9p
Texaco, Grangetown CF11 8AF 156.9p 177.9p
Texaco, Gabalfa CF14 3AD 158.9p 179.9p
Texaco, Penylan CF23 9AD 155.9p 176.9p
Texaco, Fairwater CF5 2PW 153.9p 178.9p

Asda Fuel Prices in Cardiff

There are 4 Asda forecourts in Cardiff. Petrol averages 152.8p/L — 2.2p below the Cardiff average. Diesel averages 171.5p/L (4.6p below town avg). Cheapest petrol: Asda, Whitchurch at 151.7p. Asda fuel prices across the UK →

Show 4 Asda stations
StationPostcodeE10B7
Asda, Grangetown CF11 0JR 153.9p 172.9p
Asda, Canton CF11 8AZ 152.7p 171.7p
Asda, Whitchurch CF14 7EW 151.7p 170.7p
Asda, Pontprennau CF23 8NL 152.9p 170.9p

Texaco Fuel Prices in Cardiff

There are 3 Texaco forecourts in Cardiff. Petrol averages 155.2p/L — 0.2p above the Cardiff average. Diesel averages 177.9p/L (1.8p above town avg). Cheapest petrol: Texaco, Cyncoed at 152.9p. Texaco fuel prices across the UK →

Show 3 Texaco stations
StationPostcodeE10B7
Texaco, Cyncoed CF14 4HT 152.9p 177.9p
Texaco, Pentwyn CF23 7XH 157.9p 179.9p
Texaco, Old St. Mellons CF3 5UG 154.9p 175.9p

Sainsbury's Fuel Prices in Cardiff

There are 2 Sainsbury's forecourts in Cardiff. Petrol averages 152.9p/L — 2.1p below the Cardiff average. Diesel averages 171.4p/L (4.7p below town avg). Cheapest petrol: Sainsbury's, Thornhill at 152.9p. Sainsbury's fuel prices across the UK →

Show 2 Sainsbury's stations
StationPostcodeE10B7
Sainsbury's, Thornhill CF14 9BB 152.9p 171.9p
Sainsbury's, Penylan CF23 9XN 152.9p 170.9p

Tivoli Service Station Fuel Prices in Cardiff

There is 1 Tivoli Service Station forecourt in Cardiff. Petrol is 154.9p/L — 0.1p below the Cardiff average. Diesel is 179.9p/L (3.8p above town avg). Live prices: Tivoli Service Station, Llandaff North.

Show station details
StationPostcodeE10B7
Tivoli Service Station, Llandaff North CF14 2FF 154.9p 179.9p

Valero Fuel Prices in Cardiff

There is 1 Valero forecourt in Cardiff. Petrol is 157.9p/L — 2.9p above the Cardiff average. Diesel is 177.9p/L (1.8p above town avg). Live prices: Valero, Grangetown. Valero fuel prices across the UK →

Show station details
StationPostcodeE10B7
Valero, Grangetown CF11 8WD 157.9p 177.9p

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Frequently Asked Questions

The cheapest unleaded petrol (E10) in Cardiff today is 151.7p per litre at ASDA, CF14 7EW. The average across 28 stations is 155.0p. Prices are sourced from the UK government's Fuel Finder service and updated every 30 minutes.

The cheapest diesel (B7) in Cardiff today is 170.7p per litre at ASDA, CF14 7EW. The average across 28 stations is 176.1p. Prices are sourced from the UK government's Fuel Finder service.

The average unleaded (E10) price in Cardiff is 155.0p per litre from 28 stations. The national average is 156.1p, so Cardiff is 1.1p below the national average.

The average diesel (B7) price in Cardiff is 176.1p per litre from 28 stations. The national average is 177.5p, so Cardiff is 1.4p below the national average.

There are currently 28 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.