Fuel Price Check Analysis – Week of March 17, 2026 Petrol (E10) 143.8p 2.3% (+3.2p) 7d avg: 142.3p Slight rise | Super Unleaded (E5) 161.9p 2.3% (+3.7p) 7d avg: 160.3p Hold off if you can | Diesel (B7) 164.9p 3.3% (+5.3p) 7d avg: 162.5p Hold off if you can | Super Diesel (SDV) 185.6p 3.5% (+6.3p) 7d avg: 183p Hold off if you can |
Fuel Price Check Analysis – Week of March 17, 2026 Petrol (E10) 143.8p 2.3% (+3.2p) 7d avg: 142.3p Slight rise | Super Unleaded (E5) 161.9p 2.3% (+3.7p) 7d avg: 160.3p Hold off if you can | Diesel (B7) 164.9p 3.3% (+5.3p) 7d avg: 162.5p Hold off if you can | Super Diesel (SDV) 185.6p 3.5% (+6.3p) 7d avg: 183p Hold off if you can |

Fuel Prices in Cardiff

Live comparison for CF2 area. Tracking 9 stations across 26 brands. For a detailed breakdown including 7-day price trends, market competition analysis, and savings tips, and also find Today’s Cheapest Petrol and Diesel in Cardiff .

Wales 9 Stations 8 Brands
Updated 19 Mar 2026
View Cardiff on the Fuel Map

Compare all 9 stations visually on our interactive map to find the cheapest fuel near your route.

7-Day Price Movement
Petrol (E10)
139.4p 142.8p
3.4p (2.4%)
Diesel (B7)
157.1p 162.9p
5.8p (3.7%)
Cheapest Today
Petrol
ASDA
8 DERING ROAD, PONTP...
140.9p
View Details
Super Unleaded
TESCO
TESCO EXTRA, FFORDD...
149.9p
View Details
Diesel
ASDA
8 DERING ROAD, PONTP...
154.9p
View Details
Super Diesel
MORRISONS
IPSWICH ROAD, PEN-Y-...
167.9p
View Details
Area Averages vs National
Petrol
143.8p
▲ 0.0p vs UK Avg
Super Unleaded
160.3p
▼ 1.6p vs UK Avg
Diesel
161.0p
▼ 3.9p vs UK Avg
Super Diesel
179.7p
▼ 5.9p vs UK Avg
All Fuel Stations in Cardiff (CF2)
Asda
8 Dering Road, Pontprennau, Cardiff
E10
141.9
B7
156.9
4 minutes ago
TEXACO
NEWPORT ROAD, CARDIFF, SOUTH GLAMORGAN, WALES
E10
143.9
E5
159.9
B7
162.9
4 minutes ago
ESSO
NEWPORT ROAD, CARDIFF, SOUTH GLAMORGAN, WALES
E10
143.9
E5
165.9
B7
162.9
SDV
185.9
4 minutes ago
ESSO
145 NEWPORT ROAD, ROATH, CARDIFF, WALES
E10
143.9
E5
165.9
B7
162.9
SDV
185.9
4 minutes ago
MORRISONS
IPSWICH ROAD, PEN-Y-LAN, CARDIFF, WALES
E10
141.9
E5
155.9
B7
157.9
SDV
167.9
4 minutes ago
SAINSBURY'S
COLCHESTER AVENUE, PENYLAN, CARDIFF, WALES
E10
141.9
B7
156.9
4 minutes ago
TESCO
TESCO EXTRA, FFORDD PENGAM, CAERDYDD, WALES
E10
140.9
E5
149.9
B7
156.9
4 minutes ago
Texaco
PENTWYN SERVICE STATION, PENTWYN ROAD, PENTWYN, CARDIFF, CF23 7XH, CARDIFF, Wales
E10
145.9
E5
163.9
B7
174.9
SDV
189.9
12 minutes ago
WELCOME BREAK
MOTORWAY SERVICES, CARDIFF GATE, CARDIFF, WALES
E10
150.9
E5
160.9
B7
158.9
SDV
168.9
12 minutes ago
Frequently Asked Questions About Fuel in Cardiff

As of 19 March 2026, the cheapest E10 petrol in Cardiff is 140.9p at TESCO, TESCO EXTRA, FFORDD PENGAM, CAERDYDD, WALES.

There is currently a 10.0p difference between the cheapest and most expensive stations in Cardiff. For a standard 55-litre family car, that equals a saving of £5.50 per tank.

We update prices daily using data provided directly by fuel stations via the Competition and Markets Authority (CMA) Open Data scheme. This is a UK Government initiative requiring all major retailers to report live prices, ensuring you see the most accurate data for the Cardiff area.

Not today. TESCO is actually cheaper than local supermarkets in CF2. It's always worth comparing before filling up.

We are currently tracking 9 active fuel stations in the CF2 area, operated by 8 different brands including ESSO, Asda, TEXACO and more.

The cheapest B7 diesel in Cardiff is currently 156.9p at Asda. You can also use our interactive fuel map to compare diesel prices visually.

Prices sourced from the UK Government CMA Open Data Scheme, updated every 30 minutes. CheckFuelPrices is editorially independent — read our policy.