Cheapest Petrol & Diesel in Llanelli Today
☆ SaveLast updated: · Prices refresh every 30 minutes from the UK government's Fuel Finder service.
Cheapest Petrol in Llanelli
Cheapest Diesel in Llanelli
Worth the Drive?
Diesel averages 1.0p less in Llanelli Rural (170.6p vs 171.6p here). The round trip is about 0 miles each way, costing roughly £0.06 in fuel at 50 mpg. A 60‑litre fill would save £0.62 — a net saving of £0.55 after the return journey.
There are 8 fuel stations in Llanelli reporting live prices via the UK government's Fuel Finder service. Unleaded petrol (E10) averages 153.5p per litre across 8 stations. Diesel (B7) averages 171.6p across 8 stations. Unleaded is 1.5p below the national average of 155.0p.
Use our fuel station finder to find the most economical place to fill up near you, or calculate the fuel cost of a longer trip from Llanelli.
Fuel Stations in Llanelli
| Station | Postcode | E10 | E5 | B7 | SDV |
|---|---|---|---|---|---|
| Asda, Llanelli | SA15 1BX | 154.7p | – | 179.7p | – |
| Dafen Service Station, Llanelli Rural | SA14 8NS | 152.9p Cheapest | 172.9p | 167.9p Cheapest | 189.9p |
| Esso Llanelli, Llanelli Rural | SA15 1QD Super-market | 153.9p | 168.9p | 171.9p | 186.9p Cheapest |
| Morrisons, Llanelli Rural | SA14 9UZ Super-market | 152.9p | 165.9p | 169.9p | – |
| Murco, Llanelli Rural | SA15 4DW | 153.9p | – | 173.9p | – |
| Tesco, Llanelli | SA14 9UY Super-market | 152.9p | 161.9p Cheapest | 169.9p | – |
| Texaco, Llanelli Rural (SA14 9AD) | SA14 9AD Super-market | 153.9p | 181.9p | 169.9p | – |
| Texaco, Llanelli Rural (SA15 3TF) | SA15 3TF | 152.9p | 169.9p | 169.9p | 189.9p |
Station Map
Nearby Towns
Average Petrol and Diesel Prices in Llanelli (pence per litre)
30-Day Price Trend in the Swansea Region (pence per litre)
Daily averages across all stations in the Swansea postcode area over the last 30 days. Llanelli sits within this region.
What does fuel cost a typical driver in Llanelli?
At current prices, a typical driver covering 12000 miles a year in a petrol car averaging 35 mpg spends about £2393/year on fuel in Llanelli (at 153.5p/L). That's £23 less than the UK average of £2416. Across the wider Swansea (SA) postcode area petrol averages 154.4p/L, working out at £2407/year.
A diesel driver doing the same 12000 miles at 50 mpg spends about £1873/year at Llanelli's average diesel price of 171.6p/L. That's £38 less than the UK average of £1910. Across the wider Swansea (SA) postcode area diesel averages 172.1p/L — £1878/year.
Choose the right station — save £££
The cheapest petrol in Llanelli is 152.9p/L and the most expensive is 154.7p/L — a 1.8p/L spread. Filling a 60‑litre tank at the cheapest vs the dearest saves £1.08.
For diesel the spread is 11.8p/L (167.9p cheapest, 179.7p dearest) — £7.08 saved on a 60‑litre fill.
Fuel Prices by Brand in Llanelli
Average prices and cheapest station for each fuel brand in Llanelli.
Texaco Fuel Prices in Llanelli
There are 2 Texaco forecourts in Llanelli. Petrol averages 153.4p/L — 0.1p below the Llanelli average. Diesel averages 169.9p/L (1.7p below town avg). Cheapest petrol: Texaco, Llanelli Rural (SA15 3TF) at 152.9p. Texaco fuel prices across the UK →
Show 2 Texaco stations
| Station | Postcode | E10 | B7 |
|---|---|---|---|
| Texaco, Llanelli Rural (SA14 9AD) | SA14 9AD | 153.9p | 169.9p |
| Texaco, Llanelli Rural (SA15 3TF) | SA15 3TF | 152.9p | 169.9p |
Asda Fuel Prices in Llanelli
There is 1 Asda forecourt in Llanelli. Petrol is 154.7p/L — 1.2p above the Llanelli average. Diesel is 179.7p/L (8.1p above town avg). Live prices: Asda, Llanelli. Asda fuel prices across the UK →
Show station details
| Station | Postcode | E10 | B7 |
|---|---|---|---|
| Asda, Llanelli | SA15 1BX | 154.7p | 179.7p |
Dafen Service Station Fuel Prices in Llanelli
There is 1 Dafen Service Station forecourt in Llanelli. Petrol is 152.9p/L — 0.6p below the Llanelli average. Diesel is 167.9p/L (3.7p below town avg). Live prices: Dafen Service Station, Llanelli Rural.
Show station details
| Station | Postcode | E10 | B7 |
|---|---|---|---|
| Dafen Service Station, Llanelli Rural | SA14 8NS | 152.9p | 167.9p |
Esso Llanelli Fuel Prices in Llanelli
There is 1 Esso Llanelli forecourt in Llanelli. Petrol is 153.9p/L — 0.4p above the Llanelli average. Diesel is 171.9p/L (0.3p above town avg). Live prices: Esso Llanelli, Llanelli Rural.
Show station details
| Station | Postcode | E10 | B7 |
|---|---|---|---|
| Esso Llanelli, Llanelli Rural | SA15 1QD | 153.9p | 171.9p |
Morrisons Fuel Prices in Llanelli
There is 1 Morrisons forecourt in Llanelli. Petrol is 152.9p/L — 0.6p below the Llanelli average. Diesel is 169.9p/L (1.7p below town avg). Live prices: Morrisons, Llanelli Rural. Morrisons fuel prices across the UK →
Show station details
| Station | Postcode | E10 | B7 |
|---|---|---|---|
| Morrisons, Llanelli Rural | SA14 9UZ | 152.9p | 169.9p |
Murco Fuel Prices in Llanelli
There is 1 Murco forecourt in Llanelli. Petrol is 153.9p/L — 0.4p above the Llanelli average. Diesel is 173.9p/L (2.3p above town avg). Live prices: Murco, Llanelli Rural. Murco fuel prices across the UK →
Show station details
| Station | Postcode | E10 | B7 |
|---|---|---|---|
| Murco, Llanelli Rural | SA15 4DW | 153.9p | 173.9p |
Tesco Fuel Prices in Llanelli
There is 1 Tesco forecourt in Llanelli. Petrol is 152.9p/L — 0.6p below the Llanelli average. Diesel is 169.9p/L (1.7p below town avg). Live prices: Tesco, Llanelli. Tesco fuel prices across the UK →
Show station details
| Station | Postcode | E10 | B7 |
|---|---|---|---|
| Tesco, Llanelli | SA14 9UY | 152.9p | 169.9p |
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