Cheapest Petrol & Diesel in Cardiff Today
Prices updated 1 min ago
UK avg petrol today: 174.0p · Cardiff is 0.2p above the national average
Avg. Fuel Prices
Showing the 12 cheapest petrol stations in Cardiff. For cheapest diesel, super unleaded, or to search from your exact address, use the postcode search.
Average prices by brand in Cardiff
| Brand | Petrol | Diesel | Stations |
|---|---|---|---|
|
1.
|
172.6p | 197.0p | 4 |
|
2.
|
172.9p | 197.6p | 3 |
|
3.
|
173.2p | 200.6p | 3 |
|
4.
|
173.2p | 197.6p | 6 |
|
5.
SA
SAINSBURYS
|
173.9p | 198.9p | 2 |
|
6.
TI
Tivoli Service Station
|
173.9p | 199.9p | 1 |
|
7.
|
175.1p | 200.2p | 6 |
|
8.
|
175.5p | 201.0p | 7 |
|
9.
WE
WELCOME BREAK
|
178.9p | 203.9p | 1 |
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About fuel prices in Cardiff
There are currently 33 petrol stations reporting live prices within 5 miles of Cardiff, with the cheapest petrol today at 171.7p per litre at ASDA LECKWITH ROAD SUPERSTORE. The local average of 174.2p is 0.2p above the UK national average of 174.0p. Choosing the cheapest station over the most expensive could save you up to £3.60 on petrol and £3.60 on diesel on a full tank.
Supermarket forecourts in the area include Asda, Morrisons and Tesco — these tend to offer the most competitive prices and are a good first stop for budget-conscious drivers.
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 33 stations shown, average prices in Cardiff are currently:
- Petrol (E10): 174.2p per litre (▲ 0.2p above UK avg)
- Diesel (B7): 199.3p per litre (▲ 0.4p above UK avg)
- Super Unleaded (E5): 190.1p per litre (▼ 1.6p 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.