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Cheapest Petrol & Diesel in Cardiff Today

Prices updated just now

Cheapest Petrol
151.9p
per litre
Cheapest Diesel
186.7p
per litre
Save up to £8.50 on a full tank vs the priciest local station

UK avg petrol today: 158.2p  ·  Cardiff is same as the national average

Showing the 12 cheapest petrol stations in Cardiff. For cheapest diesel, super unleaded, or to search from your exact address, use the postcode search.

Tesco
PENARTH SUPERSTORE - PETROL FILLING STATION
TESCO STORES LTD, TERRA NOVA WAY, PENARTH, CF64 1SA
● Closed Wednesday: 06:00–21:00
Petrol 151.9p per litre
Diesel 186.9p per litre
Super 160.9p per litre
🕐 Updated: 3:50pm 07 apr 26 by System Wrong price?
Asda
ASDA CARDIFF CORYTON SUPERCENTRE
LONGWOOD DRIVE, CORYTON ROUNDABOUT, CARDIFF, CF14 7EW
● Open 24 hrs
Petrol 154.7p per litre
Diesel 186.7p per litre
🕐 Updated: 3h 53m ago by System Wrong price?
Asda
ASDA CARDIFF BAY SUPERSTORE
FERRY ROAD RETAIL PARK, CARDIFF, CF11 0JR
● Open 24 hrs
Petrol 154.9p per litre
Diesel 186.9p per litre
🕐 Updated: 11:23am 10 apr 26 by System Wrong price?
Asda
ASDA LECKWITH ROAD SUPERSTORE
CAPITAL RETAIL PARK-LECKWITH ROAD, CARDIFF, CF11 8AZ
● Open 24 hrs
Petrol 155.7p per litre
Diesel 186.7p per litre
🕐 Updated: 3h 39m ago by System Wrong price?
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Asda
ASDA PENTWYN SUPERSTORE
8 DERING ROAD, PONTPRENNAU, CARDIFF, CF23 8NL
● Closed Wednesday: 06:00–22:00
Petrol 155.9p per litre
Diesel 186.9p per litre
🕐 Updated: 5:17pm 13 apr 26 by System Wrong price?
Tesco
ST MELLONS SUPERSTORE - PETROL FILLING STATION
TESCO STORES LTD, CRICKHOWELL ROAD, ST. MELLONS, CARDIFF, CF3 0EF
● Closed Wednesday: 06:00–22:00
Petrol 155.9p per litre
Diesel 186.9p per litre
Super 164.9p per litre
🕐 Updated: 1:51pm 14 apr 26 by System Wrong price?
Tesco
CARDIFF EXTRA - PETROL FILLING STATION
EXCELSIOR ESTATE, EXCELSIOR ROAD, CARDIFF, CF14 3AT
● Open 24 hrs
Petrol 155.9p per litre
Diesel 187.9p per litre
Super 164.9p per litre
🕐 Updated: 1:22pm 14 apr 26 by System Wrong price?
Morrisons
MFG MORRISONS CARDIFF BAY
INTERNATIONAL DRIVE, CARDIFF BAY, CF11 0JP
● Closed Wednesday: 06:00–22:00
Petrol 155.9p per litre
Diesel 187.9p per litre
Super 169.9p per litre
🕐 Updated: 9:36pm 07 apr 26 by System Wrong price?
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Tesco
CARDIFF TYN-Y-PARC EXPRESS
TESCO EXPRESS, TYN-Y-PARC ROAD, CARDIFF, CF14 6BN
● Open Wednesday: 06:00–23:00
Petrol 155.9p per litre
Diesel 187.9p per litre
Super 164.9p per litre
🕐 Updated: 15h 40m ago by System Wrong price?
Morrisons
MFG MORRISONS CARDIFF TYGLASS
TY- GLAS ROAD, LLANISHEN, CF14 5EP
● Closed Wednesday: 06:00–22:00
Petrol 155.9p per litre
Diesel 187.9p per litre
Super 169.9p per litre
🕐 Updated: 9:34pm 07 apr 26 by System Wrong price?
Tesco
CULVERHOUSE CROSS EXTRA - PETROL FILLING STATION
CULVERHOUSE CROSS, CARDIFF, CF5 6XQ
● Open 24 hrs
Petrol 155.9p per litre
Diesel 188.9p per litre
Super 165.9p per litre
🕐 Updated: 1:41pm 14 apr 26 by System Wrong price?
Morrisons
MFG MORRISONS CARDIFF NEWPORT ROAD
IPSWICH ROAD, PEN-Y-LAN, CF23 9YG
● Open Wednesday: 06:00–23:00
Petrol 156.9p per litre
Diesel 187.9p per litre
Super 169.9p per litre
🕐 Updated: 9:48pm 08 apr 26 by System Wrong price?

Average prices by brand in Cardiff

Brand Petrol Diesel Stations
1.
Asda
Asda Cheapest
155.3p 186.8p 4
2.
Tesco
Tesco
155.4p 187.7p 6
3.
Morrisons
Morrisons
156.2p 187.9p 3
4.
Sainsbury's
Sainsbury's
156.9p 188.9p 2
5. ST St Mellons Service Station
156.9p 189.9p 1
6.
Texaco
Texaco
159.7p 192.7p 6
7. VA VALERO
159.9p 195.9p 1
8.
Esso
Esso
160.6p 192.4p 6
9. TI Tivoli Service Station
160.9p 191.9p 1
10. WE WELCOME BREAK
168.9p 196.9p 1

Want prices near your exact address?
Enter your postcode or tap 📍 to use your location

About fuel prices in Cardiff

There are currently 31 petrol stations reporting live prices within 5 miles of Cardiff. The cheapest petrol today is 151.9p per litre at PENARTH SUPERSTORE - PETROL FILLING STATION . Choosing the cheapest station over the most expensive could save you up to £8.50 on a typical 30-litre fill.

Prices are sourced directly from fuel retailers via the UK Government Fuel Finder API and refreshed every 30 minutes. For hyperlocal results or a wider search radius, enter your postcode in the box above.

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Frequently asked questions

How often are Cardiff fuel prices updated?
Prices are updated every 30 minutes, sourced directly from fuel retailers via the GOV.UK Fuel Finder API.
What are the average fuel prices in Cardiff right now?
Based on the 31 stations shown, average prices in Cardiff are currently:
  • Petrol (E10): 158.2p per litre (= UK avg)
  • Diesel (B7): 190.3p per litre (▼ 1.1p below UK avg)
  • Super Unleaded (E5): 171.6p per litre (▼ 3.4p below UK avg)
What is the cheapest supermarket petrol station in Cardiff?
Supermarkets like Tesco, Sainsbury's, Asda and Morrisons typically offer the lowest fuel prices. Check the results above — cheapest stations are shown first.
Can I report a wrong price for a station in Cardiff?
Yes — tap "Wrong price?" on any station card above to submit a correction with a photo. Verified corrections are applied within minutes.