Diesel prices in Cardiff
Compare current diesel (B7) across 33 Cardiff forecourts. Check the lowest listed price, local average and map before choosing where to fill up.
Lowest listed diesel forecourt in Cardiff
196.7p/l
Lowest listed diesel price in Cardiff
- Diesel local average
- 199.4p/l
- Local forecourts
- 33
- UK comparison
- Above
- Asda Leckwith Road Superstore, 196.7p
- Asda Cardiff Coryton Supercentre, 196.7p
- Cardiff Extra - Petrol Filling Station, 196.9p
- Mfg Morrisons Cardiff Tyglass, 196.9p
- Asda Cardiff Bay Superstore, 196.9p
- Mfg Morrisons Cardiff Bay, 196.9p
- Culverhouse Cross Extra - Petrol Filling Station, 196.9p
- Cardiff Tyn-Y-Parc Express, 197.9p
- Cardiff Pengam Extra - Petrol Filling Station, 197.9p
- Asda Pentwyn Superstore, 197.9p
- Sainsburys Colchester Avenue, 198.9p
- Mfg Morrisons Cardiff Newport Road, 198.9p
- Sainsburys Thornhill, 198.9p
- St Mellons Superstore - Petrol Filling Station, 198.9p
- City Filling Station, 199.9p
- Texaco Three Arches Services, 199.9p
- Mfg Cardiff, 199.9p
- Rontec Cathedral, 199.9p
- Mfg Cardinal, 199.9p
- Mfg Premier, 199.9p
- Tudor Motors, 199.9p
- Mfg Ninian, 199.9p
- Rontec Red Dragon, 199.9p
- Mfg Cardiff Bay, 199.9p
- St Mellons Service Station, 199.9p
- Mfg Castleton, 199.9p
- Rontec Penrhos, 199.9p
- Tivoli Service Station, 201.9p
- Asda Llantrisant Express Petrol, 201.9p
- Pgg Hadfield Rd, 201.9p
- Asda Radyr Express Petrol, 201.9p
- Pentwyn Service Station, 203.9p
- Welcome Break Cardiff, 203.9p
Live local prices
Current diesel prices in Cardiff
33 current diesel (B7) prices from 33 Cardiff forecourts listed as stocking diesel.
Prices checked 20 Oct 2026, 06:50. Individual rows show when that forecourt price was reported.
| Forecourt | Postcode and report | Diesel(B7), selected ranking | Distancefrom Cardiff centre | Opening times | Actions |
|---|---|---|---|---|---|
1 Asda Leckwith Road SuperstoreAsda | CF11 8AZReported 2 Oct 2026, 21:31 | 196.7pCheapest | Distance: 2.3 mi | Open 24 hoursMonday - Sunday: 24 hours; Bank holidays: 09:00 - 18:00 | Details |
| 2Asda Cardiff Coryton SupercentreAsda | CF14 7EWReported 13 Oct 2026, 19:04 | 196.7pCheapest | Distance: 3.2 mi | Open 24 hoursMonday - Sunday: 24 hours; Bank holidays: 09:00 - 19:00 | Details |
3 Cardiff Extra - Petrol Filling StationTesco | CF14 3ATReported 28 Sept 2026, 16:35 | 196.9p | Distance: 1.1 mi | Open 24 hoursMonday - Sunday: 24 hours; Bank holidays: 24 hours | Details |
4 Mfg Morrisons Cardiff TyglassMorrisons | CF14 5EPReported 17 Oct 2026, 22:04 | 196.9p | Distance: 1.9 mi | 06:00 - 22:00 dailyMonday - Sunday: 06:00 - 22:00; Bank holidays: 06:00 - 22:00 | Details |
| 5Asda Cardiff Bay SuperstoreAsda | CF11 0JRReported 2 Oct 2026, 21:27 | 196.9p | Distance: 3.2 mi | Open 24 hoursMonday - Sunday: 24 hours; Bank holidays: 09:00 - 18:00 | Details |
| 6Mfg Morrisons Cardiff BayMorrisons | CF11 0JPReported 12 Oct 2026, 22:32 | 196.9p | Distance: 3.4 mi | 06:00 - 22:00 dailyMonday - Sunday: 06:00 - 22:00; Bank holidays: 06:00 - 22:00 | Details |
| 7Culverhouse Cross Extra - Petrol Filling StationTesco | CF5 6XQReported 28 Sept 2026, 18:05 | 196.9p | Distance: 4.7 mi | Open 24 hoursMonday - Sunday: 24 hours; Bank holidays: 24 hours | Details |
| 8Cardiff Tyn-Y-Parc ExpressTesco | CF14 6BNReported 14 Oct 2026, 15:44 | 197.9p | Distance: 1.8 mi | 06:00 - 23:00 dailyMonday - Sunday: 06:00 - 23:00; Bank holidays: 06:00 - 23:00 | Details |
| 9Cardiff Pengam Extra - Petrol Filling StationTesco | CF24 2HPReported 15 Oct 2026, 15:10 | 197.9p | Distance: 2.5 mi | 06:00 - 22:00 dailyMonday - Sunday: 06:00 - 22:00; Bank holidays: 07:00 - 21:00 | Details |
| 10Asda Pentwyn SuperstoreAsda | CF23 8NLReported 13 Oct 2026, 18:57 | 197.9p | Distance: 3.2 mi | Hours vary by dayMonday: 06:00 - 22:00; Tuesday: 06:00 - 22:00; Wednesday: 06:00 - 22:00; Thursday: 06:00 - 22:00; Friday: 06:00 - 22:00; Saturday: 06:00 - 22:00; Sunday: 10:00 - 16:00; Bank holidays: 09:00 - 18:00 | Details |
11 Sainsburys Colchester AvenueSainsbury's | CF23 9XNReported 18 Oct 2026, 09:38 | 198.9p | Distance: 1.5 mi | Hours vary by dayMonday: 07:00 - 22:30; Tuesday: 07:00 - 22:30; Wednesday: 07:00 - 22:30; Thursday: 07:00 - 22:30; Friday: 07:00 - 22:30; Saturday: 07:00 - 22:30; Sunday: 08:00 - 21:00; Bank holidays: 07:30 - 20:30 | Details |
| 12Mfg Morrisons Cardiff Newport RoadMorrisons | CF23 9YGReported 18 Oct 2026, 22:43 | 198.9p | Distance: 1.7 mi | 06:00 - 23:00 dailyMonday - Sunday: 06:00 - 23:00; Bank holidays: 06:00 - 23:00 | Details |
| 13Sainsburys ThornhillSainsbury's | CF14 9BBReported 19 Oct 2026, 06:57 | 198.9p | Distance: 2.6 mi | Hours vary by dayMonday: 06:30 - 22:00; Tuesday: 06:30 - 22:00; Wednesday: 06:30 - 22:00; Thursday: 06:30 - 22:00; Friday: 06:30 - 22:00; Saturday: 06:30 - 22:00; Sunday: 07:00 - 20:00; Bank holidays: 07:30 - 20:30 | Details |
| 14St Mellons Superstore - Petrol Filling StationTesco | CF3 0EFReported 14 Oct 2026, 15:44 | 198.9p | Distance: 3.7 mi | 06:00 - 22:00 dailyMonday - Sunday: 06:00 - 22:00; Bank holidays: 07:00 - 21:00 | Details |
15 City Filling StationTexaco | CF14 3ADReported 21 Sept 2026, 12:23 | 199.9p | Distance: 0.6 mi | Open 24 hoursMonday - Sunday: 24 hours; Bank holidays: 24 hours | Details |
| 16Texaco Three Arches ServicesTexaco | CF14 4HTReported 28 Sept 2026, 09:09 | 199.9p | Distance: 1.2 mi | Hours vary by dayMonday: 07:00 - 19:30; Tuesday: 07:00 - 19:30; Wednesday: 07:00 - 19:30; Thursday: 07:00 - 19:30; Friday: 07:00 - 19:30; Saturday: 07:00 - 19:30; Sunday: 00:00 - 00:00; Bank holidays: 07:00 - 19:30 | Details |
17 Mfg CardiffEsso | CF24 1AGReported 14 Oct 2026, 23:47 | 199.9p | Distance: 1.3 mi | Open 24 hoursMonday - Sunday: 24 hours; Bank holidays: 24 hours | Details |
| 18Rontec CathedralEsso | CF11 9HAReported 24 Sept 2026, 10:29 | 199.9p | Distance: 1.4 mi | Open 24 hoursMonday - Sunday: 24 hours; Bank holidays: 24 hours | Details |
| 19VMfg CardinalValero | CF23 9ADReported 15 Oct 2026, 00:12 | 199.9p | Distance: 1.7 mi | Open 24 hoursMonday - Sunday: 24 hours; Bank holidays: 24 hours | Details |
| 20Mfg PremierEsso | CF23 9AEReported 14 Oct 2026, 23:56 | 199.9p | Distance: 1.7 mi | Open 24 hoursMonday - Sunday: 24 hours; Bank holidays: 24 hours | Details |
| 21Tudor MotorsTexaco | CF11 6AFReported 21 Sept 2026, 22:36 | 199.9p | Distance: 1.7 mi | Open 24 hoursMonday - Sunday: 24 hours; Bank holidays: 24 hours | Details |
| 22VMfg NinianValero | CF11 8AFReported 14 Oct 2026, 23:02 | 199.9p | Distance: 2.3 mi | 06:00 - 23:00 dailyMonday - Sunday: 06:00 - 23:00; Bank holidays: 06:00 - 23:00 | Details |
| 23Rontec Red DragonEsso | CF5 1BPReported 24 Sept 2026, 11:06 | 199.9p | Distance: 2.3 mi | Open 24 hoursMonday - Sunday: 24 hours; Bank holidays: 24 hours | Details |
| 24Mfg Cardiff BayEsso | CF11 7ASReported 14 Oct 2026, 23:42 | 199.9p | Distance: 2.5 mi | Open 24 hoursMonday - Sunday: 24 hours; Bank holidays: 24 hours | Details |
| 25St Mellons Service StationTexaco | CF3 5UGReported 29 Sept 2026, 08:49 | 199.9p | Distance: 3.9 mi | Open 24 hoursMonday - Sunday: 24 hours; Bank holidays: 24 hours | Details |
| 26Mfg CastletonEsso | CF3 2URReported 14 Oct 2026, 23:43 | 199.9p | Distance: 5.2 mi | Open 24 hoursMonday - Sunday: 24 hours; Bank holidays: 24 hours | Details |
27 Rontec PenrhosBP | CF15 7UNReported 7 Oct 2026, 14:13 | 199.9p | Distance: 5.6 mi | Open 24 hoursMonday - Sunday: 24 hours; Bank holidays: 24 hours | Details |
| 28Tivoli Service StationIndependent forecourt | CF14 2FFReported 19 Oct 2026, 12:26 | 201.9p | Distance: 2 mi | 07:00 - 22:00 dailyMonday - Sunday: 07:00 - 22:00; Bank holidays: 07:00 - 22:00 | Details |
| 29Asda Llantrisant Express PetrolAsda | CF5 2PWReported 26 Sept 2026, 07:46 | 201.9p | Distance: 2.3 mi | 07:00 - 22:00 dailyMonday - Sunday: 07:00 - 22:00; Bank holidays: 07:00 - 22:00 | Details |
| 30VPgg Hadfield RdValero | CF11 8WDReported 6 Oct 2026, 17:25 | 201.9p | Distance: 2.6 mi | Open 24 hoursMonday - Sunday: 24 hours; Bank holidays: 24 hours | Details |
| 31Asda Radyr Express PetrolAsda | CF5 2PYReported 28 Sept 2026, 20:39 | 201.9p | Distance: 2.9 mi | 06:00 - 22:00 dailyMonday - Sunday: 06:00 - 22:00; Bank holidays: 06:00 - 22:00 | Details |
| 32Pentwyn Service StationTexaco | CF23 7XHReported 2 Oct 2026, 18:48 | 203.9p | Distance: 2.4 mi | Open 24 hoursMonday - Sunday: 24 hours; Bank holidays: 24 hours | Details |
| 33WBWelcome Break CardiffWelcome Break | CF23 8RAReported 5 Oct 2026, 11:09 | 203.9p | Distance: 3.4 mi | Open 24 hoursMonday - Sunday: 24 hours; Bank holidays: 24 hours | Details |
Showing the first 10 of 33 forecourts
How to read this page
About diesel prices in Cardiff
Coverage, freshness and comparison scope matter as much as the headline price.
Cardiff has 33 forecourts listed as stocking diesel (B7), with current prices available from 33. The table ranks forecourts by current diesel (B7) price, with distance and station name used to order equal or unavailable prices. Station status, distance and update freshness remain visible for comparison.
This page focuses on Diesel (B7) using official UK Fuel Finder data, local averages, regional benchmarks and UK average comparisons where coverage is available.
Thirty-day evidence
Thirty-day diesel (B7) price trend
Thirty-day diesel (B7) trends, local comparisons and potential savings from official UK Fuel Finder data.
202p198p194p
- 20 September 2026: local 195.4: region 196.1: UK 196.3
- 21 September 2026: local 196.7: region 196.7: UK 196.9
- 22 September 2026: local 197.1: region 197.4: UK 197.3
- 23 September 2026: local 197.6: region 197.9: UK 197.7
- 24 September 2026: local 198.5: region 198.4: UK 198.3
- 25 September 2026: local 199.2: region 198.9: UK 198.8
- 26 September 2026: local 199.5: region 199.1: UK 199.1
- 27 September 2026: local 199.6: region 199.2: UK 199.2
- 28 September 2026: local 200.2: region 199.6: UK 199.6
- 29 September 2026: local 200.3: region 199.7: UK 199.8
- 30 September 2026: local 200.4: region 199.8: UK 199.8
- 1 October 2026: local 200.3: region 199.8: UK 199.8
- 2 October 2026: local 200.5: region 199.8: UK 199.9
- 3 October 2026: local 200.5: region 199.9: UK 200
- 4 October 2026: local 200.5: region 199.9: UK 200
- 5 October 2026: local 200.5: region 199.9: UK 200
- 6 October 2026: local 200.4: region 199.7: UK 199.9
- 7 October 2026: local 200.4: region 199.6: UK 199.8
- 8 October 2026: local 200.1: region 199.5: UK 199.7
- 9 October 2026: local 200: region 199.4: UK 199.7
- 10 October 2026: local 200: region 199.4: UK 199.7
- 11 October 2026: local 200.1: region 199.4: UK 199.7
- 12 October 2026: local 200: region 199.4: UK 199.6
- 13 October 2026: local 199.9: region 199.3: UK 199.4
- 14 October 2026: local 199.5: region 199.1: UK 199.3
- 15 October 2026: local 199.3: region 199: UK 199.2
- 16 October 2026: local 199.3: region 198.9: UK 199.1
- 17 October 2026: local 199.3: region 198.8: UK 199.1
- 18 October 2026: local 199.4: region 198.8: UK 199.1
- 19 October 2026: local 199.4: region 198.8: UK 199.1
Average price
199.4p/l
20 Sept to 19 Oct
- 30-day low
- 192.7p/l
- 30-day high
- 205.9p/l
- Movement (30 days)
- +4.1p/l
- Volatility
- Low
Jerry's diesel trend read
Diesel in Cardiff rose 4p/l, from 195.4p/l on 20 September to 199.4p/l on 19 October. The rise was not continuous: prices fell 1.2p/l from 5 October to 15 October before moving higher again. Cardiff's current average is 0.3p/l above the UK average. Daily movement volatility is low.
Consistency, not just today's lowest
A consistently competitive diesel forecourt
This recommendation requires at least 21 completed reporting days and a current price no higher than the local average.
Asda Cardiff Bay Superstore
196.9p/l today
2.5p/l below Cardiff average today
- Near cheapest
- Within 1p on 30 of 30 days
- Daily cheapest
- Cheapest on 10 of 30 days
- Average gap
- 0.1p/l average gap
- Evidence
- 30 of 30 days reported
Asda Cardiff Bay Superstore stayed within 1p/l of the daily cheapest diesel price on 30 of 30 reported days, averaging 0.1p/l above the daily cheapest price.
Price choice
Potential diesel savings
Cheapest versus average is the practical comparison. Cheapest versus highest is the maximum listed difference, not a guaranteed saving.
Current local price range
7.2p/l
196.7p/l cheapest, 203.9p/l highest
- Cheapest versus local average
- £1.49 less than the local average on a 55-litre fill
- Cheapest versus highest
- £3.96 maximum listed difference on a 55-litre fill
Comparing current diesel prices in Cardiff can avoid paying up to 7.2p/l more than the cheapest listed price.
Diesel (B7) compared with nearby locations
Ranked by current average diesel price. Cardiff is highlighted so the local baseline remains easy to find.
- 1Pontypridd8.1 mi, 6 reporting197.1pAverage-2.3p/lCheapest 195.9p
- 2Caerphilly5.8 mi, 5 reporting197.9pAverage-1.5p/lCheapest 196.9p
- 3Pontyclun8.5 mi, 5 reporting197.9pAverage-1.5p/lCheapest 195.9p
- 4Risca8.1 mi, 3 reporting199.2pAverage-0.2p/lCheapest 197.9p
- 5Barry8.2 mi, 6 reporting199.3pAverage-0.1p/lCheapest 197.7p
- 6CardiffHereCurrent location, 33 reporting199.4pAverageBaselineCheapest 196.7p
Pontypridd has the lowest nearby average shown at 197.1p; it is 2.3p/l cheaper than Cardiff.
Local market evidence
Diesel market in this location
Distribution, station consistency and forecourt type provide different evidence. None is treated as a guarantee of the next pump price.
Price distribution
196.7p to 198.5p10 stations
198.5p to 200.3p17 stations
200.3p to 202.1p4 stations
202.1p to 203.9p2 stations
The largest group of reporting diesel forecourts in Cardiff sits in the 198.5p to 200.3p range.
Cheapest station consistency
Supermarkets and other forecourts
- Supermarkets
- 198.2p/l
- Major brands
- 200.5p/l
- Independent forecourts
- 201.9p/l
Where value persists
Diesel brand reliability over 30 days
Historical claims render only when the documented reporting thresholds are met.
| Brand | Stations | 30-day average | Average gap | Cheapest presence | Below local average |
|---|---|---|---|---|---|
| Tesco | 5 stations | 197.4p/l | 1.6p/l | 2 of 30 days | 99% |
| Morrisons | 3 stations | 197.9p/l | 2.1p/l | 1 of 30 days | 94% |
| Asda | 6 stations | 198.3p/l | 2.4p/l | 30 of 30 days | 68% |
| Sainsbury's | 2 stations | 198.3p/l | 2.5p/l | 1 of 30 days | 97% |
| Texaco | 5 stations | 200.2p/l | 4.4p/l | 0 of 30 days | 48% |
| Esso | 6 stations | 200.8p/l | 5p/l | 0 of 30 days | 17% |
Tesco had the smallest 30-day average gap to the daily cheapest diesel price at 1.6p/l, with a cheapest station present on 2 of 30 days.
Areas with the cheapest diesel in Cardiff
- 1Forest Farm1 reporting, 1 below average196.7p/l
- 2Leckwith3 reporting, 1 below average196.7p/l
- 3Gabalfa1 reporting, 1 below average196.9p/l
- 4Llanfihangel-ar-Elai1 reporting, 1 below average196.9p/l
- 5Penarth Flats1 reporting, 1 below average196.9p/l
Good to know
Fuel price FAQs for Cardiff
Use the current local evidence to choose a forecourt, compare nearby places and understand how coverage and freshness affect the figures.
Where is the cheapest diesel (B7) in Cardiff today?
The cheapest listed diesel (B7) price in Cardiff is 196.7p/l at Asda Leckwith Road Superstore. Check the table before travelling because distance, opening status and recent updates can affect the best choice.
How are Cardiff diesel (B7) forecourts ranked?
Forecourts are ranked by their current diesel (B7) price first. If prices are tied or unavailable, the table uses distance and station name. Use the forecourt comparison to sort and inspect the current results.
Are diesel (B7) prices in Cardiff below the UK average?
Diesel is above the UK average by 0.3p/l. These comparisons use current location averages and the latest benchmark data available to the page.
How recent are the Cardiff fuel prices on this page?
Prices checked 20 Oct 2026, 06:50. Individual prices can remain unchanged between checks until a retailer reports a price change.
Why do some Cardiff forecourts not show a current diesel (B7) price?
A forecourt can be listed when it is known to stock diesel (B7), even if there is not a current reported price available for that fuel. The price table keeps those stations visible but prioritises forecourts with current prices.
Should I compare nearby locations before filling up in Cardiff?
Nearby comparisons currently show Caerphilly at 197.9p/l, 1.5p/l cheaper than Cardiff, Pontypridd at 197.1p/l, 2.3p/l cheaper than Cardiff and Risca at 199.2p/l, 0.2p/l cheaper than Cardiff. Compare Caerphilly, Pontypridd, Risca and Barry.
How can I compare fuel prices around my current location?
Use cheapest diesel near me for a distance-led comparison based on your current position.
Built on real fuel-price data
Prices are sourced from the UK Government Fuel Finder scheme. Prices checked 20 Oct 2026, 06:50. See how we qualify and compare prices
- Retailer reporting target
- 30 minutes