Embed

Cheapest Petrol & Diesel in Cardiff Today

☆ Save

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

Cheapest Petrol in Cardiff

145.7p per litre at Asda, Whitchurch Cardiff
Area average: 149.6p — save up to 3.9p/litre

Cheapest Diesel in Cardiff

158.9p per litre at Sainsbury's, Penylan Cardiff
Area average: 163.7p — save up to 4.8p/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 3.7p less in Heath (145.9p vs 149.6p here). The round trip is about 2 miles each way, costing roughly £0.94 in fuel at 35 mpg. A 60‑litre fill would save £2.22 — a net saving of £1.28 after the return journey.

Diesel averages 3.8p less in Heath (159.9p vs 163.7p here). The round trip is about 2 miles each way, costing roughly £0.72 in fuel at 50 mpg. A 60‑litre fill would save £2.26 — a net saving of £1.54 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 149.6p per litre across 28 stations. Diesel (B7) averages 163.7p across 28 stations. Unleaded is 1.2p below the national average of 150.8p.

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 148.9p – 159.9p –
Asda, Canton Cardiff CF11 8AZ Super-market 148.7p – 164.7p –
Asda, Whitchurch Cardiff CF14 7EW Super-market 145.7p Cheapest – 159.7p –
Asda, Pontprennau Cardiff CF23 8NL Super-market 147.9p – 159.9p –
Esso, Grangetown Cardiff CF11 7AS 149.9p 175.9p 162.9p 189.9p
Esso, Pontcanna Cardiff CF11 9HA 149.9p – 165.9p 184.9p
Esso, Penylan Cardiff CF23 9AE 149.9p 175.9p 161.9p 189.9p
Esso, Roath Cardiff CF24 1AG 149.9p 175.9p 161.9p 189.9p
Esso, Canton Cardiff CF5 1BP 149.9p 168.9p 165.9p 184.9p
Esso, Llandaff Cardiff CF5 2PY 153.9p 172.9p 169.9p –
Sainsbury's, Thornhill Cardiff CF14 9BB Super-market 145.9p 157.9p 159.9p –
Sainsbury's, Penylan Cardiff CF23 9XN Super-market 148.9p – 158.9p Cheapest –
Tesco, Gabalfa Cardiff CF14 3AT Super-market 146.9p 155.9p 159.9p –
Tesco, Heath Cardiff CF14 6BN Super-market 145.9p 154.9p Cheapest 159.9p –
Tesco, Tremorfa Cardiff CF24 2HP Super-market 148.9p 157.9p 159.9p –
Tesco, Trowbridge Cardiff CF3 0EF Super-market 148.9p 157.9p 159.9p –
Tesco, St. Georges-super-Ely Cardiff CF5 6XQ Super-market 148.9p 158.9p 160.9p –
Texaco, Cardiff CF11 6AF Super-market 149.9p – 169.9p 189.9p
Texaco, Grangetown Cardiff CF11 8AF 149.9p 169.9p 162.9p –
Texaco, Gabalfa Cardiff CF14 3AD Super-market 149.9p – 165.9p –
Texaco, Penylan Cardiff CF23 9AD 149.9p 169.9p 161.9p –
Texaco, Fairwater Cardiff CF5 2PW 151.9p 169.9p 165.9p –
Texaco, Cyncoed Cardiff CF14 4HT Super-market 147.9p – 162.9p –
Texaco, Pentwyn Cardiff CF23 7XH 153.9p 172.9p 167.9p 189.9p
Texaco, Old St. Mellons Cardiff CF3 5UG 149.9p 169.9p 164.9p –
Tivoli Service Station, Llandaff North Cardiff CF14 2FF 153.9p 166.9p 166.9p 179.9p Cheapest
Valero, Grangetown Cardiff CF11 8WD 149.9p 169.9p 163.9p 183.9p
Welcome Break, Pontprennau Cardiff CF23 8RA Motorway 152.9p 164.9p 177.9p 189.9p

Station Map

Nearby Towns

Gabalfa
2 stations
Unleaded avg 148.4p
Diesel avg 162.9p
Pontcanna
1 stations
Unleaded avg 149.9p
Diesel avg 165.9p
Roath
1 stations
Unleaded avg 149.9p
Diesel avg 161.9p
Cyncoed
1 stations
Unleaded avg 147.9p
Diesel avg 162.9p
Penylan
3 stations
Unleaded avg 149.6p
Diesel avg 160.9p
Llandaff North
1 stations
Unleaded avg 153.9p
Diesel avg 166.9p
Heath
1 stations
Unleaded avg 145.9p
Diesel avg 159.9p
Canton
2 stations
Unleaded avg 149.3p
Diesel avg 165.3p

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

Unleaded (E10)
149.6p
28 stations
±2.2p std dev
1.2p below national
Super Unleaded (E5)
166.7p
19 stations
±7.0p std dev
2.9p below national
Diesel (B7)
163.7p
28 stations
±4.2p std dev
2.0p below national
Premium Diesel
187.3p
10 stations
±3.4p std dev
+0.0p 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 £2332/year on fuel in Cardiff (at 149.6p/L). That's £19 less than the UK average of £2350. Across the wider Cardiff (CF) postcode area petrol averages 148.8p/L, working out at £2319/year.

A diesel driver doing the same 12000 miles at 50 mpg spends about £1786/year at Cardiff's average diesel price of 163.7p/L. That's £22 less than the UK average of £1808. Across the wider Cardiff (CF) postcode area diesel averages 163.0p/L — £1778/year.

Choose the right station — save £££

The cheapest petrol in Cardiff is 145.7p/L and the most expensive is 153.9p/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 19.0p/L (158.9p cheapest, 177.9p dearest) — £11.40 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 150.6p/L — 1.0p above the Cardiff average. Diesel averages 164.7p/L (1.0p above town avg). Cheapest petrol: Esso, Grangetown at 149.9p. Esso fuel prices across the UK →

Show 6 Esso stations
StationPostcodeE10B7
Esso, Grangetown CF11 7AS 149.9p 162.9p
Esso, Pontcanna CF11 9HA 149.9p 165.9p
Esso, Penylan CF23 9AE 149.9p 161.9p
Esso, Roath CF24 1AG 149.9p 161.9p
Esso, Canton CF5 1BP 149.9p 165.9p
Esso, Llandaff CF5 2PY 153.9p 169.9p

Tesco Fuel Prices in Cardiff

There are 5 Tesco forecourts in Cardiff. Petrol averages 147.9p/L — 1.7p below the Cardiff average. Diesel averages 160.1p/L (3.6p below town avg). Cheapest petrol: Tesco, Heath at 145.9p. Tesco fuel prices across the UK →

Show 5 Tesco stations
StationPostcodeE10B7
Tesco, Gabalfa CF14 3AT 146.9p 159.9p
Tesco, Heath CF14 6BN 145.9p 159.9p
Tesco, Tremorfa CF24 2HP 148.9p 159.9p
Tesco, Trowbridge CF3 0EF 148.9p 159.9p
Tesco, St. Georges-super-Ely CF5 6XQ 148.9p 160.9p

Texaco Fuel Prices in Cardiff

There are 5 Texaco forecourts in Cardiff. Petrol averages 150.3p/L — 0.7p above the Cardiff average. Diesel averages 165.3p/L (1.6p above town avg). Cheapest petrol: Texaco, Cardiff at 149.9p. Texaco fuel prices across the UK →

Show 5 Texaco stations
StationPostcodeE10B7
Texaco, Cardiff CF11 6AF 149.9p 169.9p
Texaco, Grangetown CF11 8AF 149.9p 162.9p
Texaco, Gabalfa CF14 3AD 149.9p 165.9p
Texaco, Penylan CF23 9AD 149.9p 161.9p
Texaco, Fairwater CF5 2PW 151.9p 165.9p

Asda Fuel Prices in Cardiff

There are 4 Asda forecourts in Cardiff. Petrol averages 147.8p/L — 1.8p below the Cardiff average. Diesel averages 161.1p/L (2.6p below town avg). Cheapest petrol: Asda, Whitchurch at 145.7p. Asda fuel prices across the UK →

Show 4 Asda stations
StationPostcodeE10B7
Asda, Grangetown CF11 0JR 148.9p 159.9p
Asda, Canton CF11 8AZ 148.7p 164.7p
Asda, Whitchurch CF14 7EW 145.7p 159.7p
Asda, Pontprennau CF23 8NL 147.9p 159.9p

Texaco Fuel Prices in Cardiff

There are 3 Texaco forecourts in Cardiff. Petrol averages 150.6p/L — 1.0p above the Cardiff average. Diesel averages 165.2p/L (1.5p above town avg). Cheapest petrol: Texaco, Cyncoed at 147.9p. Texaco fuel prices across the UK →

Show 3 Texaco stations
StationPostcodeE10B7
Texaco, Cyncoed CF14 4HT 147.9p 162.9p
Texaco, Pentwyn CF23 7XH 153.9p 167.9p
Texaco, Old St. Mellons CF3 5UG 149.9p 164.9p

Sainsbury's Fuel Prices in Cardiff

There are 2 Sainsbury's forecourts in Cardiff. Petrol averages 147.4p/L — 2.2p below the Cardiff average. Diesel averages 159.4p/L (4.3p below town avg). Cheapest petrol: Sainsbury's, Thornhill at 145.9p. Sainsbury's fuel prices across the UK →

Show 2 Sainsbury's stations
StationPostcodeE10B7
Sainsbury's, Thornhill CF14 9BB 145.9p 159.9p
Sainsbury's, Penylan CF23 9XN 148.9p 158.9p

Tivoli Service Station Fuel Prices in Cardiff

There is 1 Tivoli Service Station forecourt in Cardiff. Petrol is 153.9p/L — 4.3p above the Cardiff average. Diesel is 166.9p/L (3.2p above town avg). Live prices: Tivoli Service Station, Llandaff North.

Show station details
StationPostcodeE10B7
Tivoli Service Station, Llandaff North CF14 2FF 153.9p 166.9p

Valero Fuel Prices in Cardiff

There is 1 Valero forecourt in Cardiff. Petrol is 149.9p/L — 0.3p above the Cardiff average. Diesel is 163.9p/L (0.2p above town avg). Live prices: Valero, Grangetown. Valero fuel prices across the UK →

Show station details
StationPostcodeE10B7
Valero, Grangetown CF11 8WD 149.9p 163.9p

Embed live prices on your website

Free · Always up-to-date · No registration needed. Local news site, community page, or just want to share live prices? Copy the code below.

Frequently Asked Questions

The cheapest unleaded petrol (E10) in Cardiff today is 145.7p per litre at ASDA, CF14 7EW. The average across 28 stations is 149.6p. Prices are sourced from the UK government's Fuel Finder service and updated every 30 minutes.

The cheapest diesel (B7) in Cardiff today is 158.9p per litre at SAINSBURY'S, CF23 9XN. The average across 28 stations is 163.7p. Prices are sourced from the UK government's Fuel Finder service.

The average unleaded (E10) price in Cardiff is 149.6p per litre from 28 stations. The national average is 150.8p, so Cardiff is 1.2p below the national average.

The average diesel (B7) price in Cardiff is 163.7p per litre from 28 stations. The national average is 165.7p, so Cardiff is 2.0p 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.