Question 1

What fuel types are sold in Cardiff?

Accepted Answer

Forecourts in Cardiff that publish to the national feed list Super Unleaded (E5), Unleaded (E10), Diesel (B7) and Premium Diesel. Not every station carries every grade — use the cheapest-by-fuel sections above to see which forecourt has the variant you need.

Question 2

What's the average price of super unleaded (E5) in Cardiff?

Accepted Answer

Super Unleaded (E5) in Cardiff is averaging 184.3p per litre across the forecourts publishing to the national feed, with the cheapest at 174.9p and the priciest at 189.9p.

Question 3

What's the average price of unleaded (E10) in Cardiff?

Accepted Answer

Unleaded (E10) in Cardiff is averaging 167.5p per litre across the forecourts publishing to the national feed, with the cheapest at 164.7p and the priciest at 171.9p.

Question 4

What's the average price of diesel (B7) in Cardiff?

Accepted Answer

Diesel (B7) in Cardiff is averaging 189.3p per litre across the forecourts publishing to the national feed, with the cheapest at 184.9p and the priciest at 195.9p.

Question 5

What's the average price of premium diesel in Cardiff?

Accepted Answer

Premium Diesel in Cardiff is averaging 207.9p per litre across the forecourts publishing to the national feed, with the cheapest at 196.9p and the priciest at 215.9p.

Question 6

Where can I get the cheapest super unleaded (E5) in Cardiff?

Accepted Answer

TESCO ST MELLONS SUPERSTORE - PETROL FILLING STATION (CARDIFF, CF3 0EF) is currently the cheapest super unleaded (E5) in Cardiff at 174.9p per litre, with the price last updated 04 Sept. Tap the "Cheapest super unleaded (E5)" section above for the full ranking.

Question 7

Where can I get the cheapest unleaded (E10) in Cardiff?

Accepted Answer

ASDA ASDA LECKWITH ROAD SUPERSTORE (CARDIFF, CF11 8AZ) is currently the cheapest unleaded (E10) in Cardiff at 164.7p per litre, with the price last updated 05 Sept. Tap the "Cheapest unleaded (E10)" section above for the full ranking.

Question 8

Where can I get the cheapest diesel (B7) in Cardiff?

Accepted Answer

SAINSBURYS SAINSBURYS COLCHESTER AVENUE (CARDIFF, CF23 9XN) is currently the cheapest diesel (B7) in Cardiff at 184.9p per litre, with the price last updated yesterday at 23:27. Tap the "Cheapest diesel (B7)" section above for the full ranking.

Question 9

Where can I get the cheapest premium diesel in Cardiff?

Accepted Answer

MORRISONS MFG MORRISONS CARDIFF NEWPORT ROAD (PEN-Y-LAN, CF23 9YG) is currently the cheapest premium diesel in Cardiff at 196.9p per litre, with the price last updated 06 Sept. Tap the "Cheapest premium diesel" section above for the full ranking.

Question 10

Which forecourts sell super unleaded (E5) in Cardiff?

Accepted Answer

Super Unleaded (E5) is only stocked by 3 forecourts in Cardiff: ST MELLONS SUPERSTORE - PETROL FILLING STATION, CARDIFF TYN-Y-PARC EXPRESS and CARDIFF EXTRA - PETROL FILLING STATION.

Question 11

Which forecourts sell premium diesel in Cardiff?

Accepted Answer

Premium Diesel is only stocked by 3 forecourts in Cardiff: MFG MORRISONS CARDIFF NEWPORT ROAD, Tivoli Service Station and WELCOME BREAK CARDIFF.

Question 12

How often are fuel prices in Cardiff updated?

Accepted Answer

UK retailers must publish any pump-price change to the CMA-mandated national feed within 30 minutes. FuelFox re-polls that feed every 30 minutes too, so a price you see is at most about an hour old and usually fresher. Each forecourt card shows a freshness pill — tap it for the exact update time.

Fuel prices in Cardiff

By fuel type

Cheapest super unleaded (E5) in Cardiff

Cheapest unleaded (E10) in Cardiff

Cheapest diesel (B7) in Cardiff

Cheapest premium diesel in Cardiff

FAQ

Fuel	Cheapest	Average	Highest
Super Unleaded (E5)	174.9p	184.3p	189.9p
Unleaded (E10)	164.7p	167.5p	171.9p
Diesel (B7)	184.9p	189.3p	195.9p
Premium Diesel	196.9p	207.9p	215.9p