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 3.1p less in Llwchwr (158.9p vs 162.0p here). The round trip is about 6 miles each way, costing roughly £1.69 in fuel at 50 mpg. A 60‑litre fill would save £1.85 — a net saving of £0.16 after the return journey.
There are 10 fuel stations in Llanelli reporting live prices via the UK government's Fuel Finder service. Unleaded petrol (E10) averages 149.6p per litre across 10 stations. Diesel (B7) averages 162.0p across 10 stations. Unleaded is 1.5p below the national average of 151.1p.
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 Super-market | 149.7p | – | 164.7p | – |
| Dafen Service Station, Llanelli Rural | SA14 8NS | 149.9p | 170.9p | 163.9p | 186.9p |
| Esso, Pen-y-groes and Gorslas Llanelli | SA14 6RD | 149.9p | 168.9p | 164.9p | 183.9p |
| Esso Llanelli, Llanelli Rural | SA15 1QD Super-market | 149.9p | 164.9p | 161.9p | 176.9p Cheapest |
| Morrisons, Llanelli Rural | SA14 9UZ Super-market | 149.9p | 165.9p | 159.9p Cheapest | – |
| Murco, Llanelli Rural | SA15 4DW | 149.9p | – | 162.9p | – |
| Nisa Local Drefach, Tumble Llanelli | SA14 7BA Super-market | 146.9p Cheapest | – | 159.9p | – |
| Tesco, Llanelli | SA14 9UY Super-market | 149.9p | 159.9p Cheapest | 159.9p | – |
| Texaco, Llanelli Rural (SA14 9AD) | SA14 9AD Super-market | 149.9p | 159.9p | 159.9p | – |
| Texaco, Llanelli Rural (SA15 3TF) | SA15 3TF | 149.9p | 165.9p | 161.9p | 179.9p |
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 £2331/year on fuel in Llanelli (at 149.6p/L). That's £24 less than the UK average of £2355. Across the wider Swansea (SA) postcode area petrol averages 150.3p/L, working out at £2343/year.
A diesel driver doing the same 12000 miles at 50 mpg spends about £1767/year at Llanelli's average diesel price of 162.0p/L. That's £32 less than the UK average of £1799. Across the wider Swansea (SA) postcode area diesel averages 162.2p/L — £1770/year.
Choose the right station — save £££
The cheapest petrol in Llanelli is 146.9p/L and the most expensive is 149.9p/L — a 3.0p/L spread. Filling a 60‑litre tank at the cheapest vs the dearest saves £1.80.
For diesel the spread is 5.0p/L (159.9p cheapest, 164.9p dearest) — £3.00 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 149.9p/L — 0.3p above the Llanelli average. Diesel averages 160.9p/L (1.1p below town avg). Cheapest petrol: Texaco, Llanelli Rural (SA14 9AD) at 149.9p. Texaco fuel prices across the UK →
Show 2 Texaco stations
| Station | Postcode | E10 | B7 |
|---|---|---|---|
| Texaco, Llanelli Rural (SA14 9AD) | SA14 9AD | 149.9p | 159.9p |
| Texaco, Llanelli Rural (SA15 3TF) | SA15 3TF | 149.9p | 161.9p |
Asda Fuel Prices in Llanelli
There is 1 Asda forecourt in Llanelli. Petrol is 149.7p/L — 0.1p above the Llanelli average. Diesel is 164.7p/L (2.7p above town avg). Live prices: Asda, Llanelli. Asda fuel prices across the UK →
Show station details
| Station | Postcode | E10 | B7 |
|---|---|---|---|
| Asda, Llanelli | SA15 1BX | 149.7p | 164.7p |
Dafen Service Station Fuel Prices in Llanelli
There is 1 Dafen Service Station forecourt in Llanelli. Petrol is 149.9p/L — 0.3p above the Llanelli average. Diesel is 163.9p/L (1.9p above town avg). Live prices: Dafen Service Station, Llanelli Rural.
Show station details
| Station | Postcode | E10 | B7 |
|---|---|---|---|
| Dafen Service Station, Llanelli Rural | SA14 8NS | 149.9p | 163.9p |
Esso Fuel Prices in Llanelli
There is 1 Esso forecourt in Llanelli. Petrol is 149.9p/L — 0.3p above the Llanelli average. Diesel is 164.9p/L (2.9p above town avg). Live prices: Esso, Pen-y-groes and Gorslas. Esso fuel prices across the UK →
Show station details
| Station | Postcode | E10 | B7 |
|---|---|---|---|
| Esso, Pen-y-groes and Gorslas | SA14 6RD | 149.9p | 164.9p |
Esso Llanelli Fuel Prices in Llanelli
There is 1 Esso Llanelli forecourt in Llanelli. Petrol is 149.9p/L — 0.3p above the Llanelli average. Diesel is 161.9p/L (0.1p below town avg). Live prices: Esso Llanelli, Llanelli Rural.
Show station details
| Station | Postcode | E10 | B7 |
|---|---|---|---|
| Esso Llanelli, Llanelli Rural | SA15 1QD | 149.9p | 161.9p |
Morrisons Fuel Prices in Llanelli
There is 1 Morrisons forecourt in Llanelli. Petrol is 149.9p/L — 0.3p above the Llanelli average. Diesel is 159.9p/L (2.1p 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 | 149.9p | 159.9p |
Murco Fuel Prices in Llanelli
There is 1 Murco forecourt in Llanelli. Petrol is 149.9p/L — 0.3p above the Llanelli average. Diesel is 162.9p/L (0.9p 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 | 149.9p | 162.9p |
Nisa Local Drefach Fuel Prices in Llanelli
There is 1 Nisa Local Drefach forecourt in Llanelli. Petrol is 146.9p/L — 2.7p below the Llanelli average. Diesel is 159.9p/L (2.1p below town avg). Live prices: Nisa Local Drefach, Tumble.
Show station details
| Station | Postcode | E10 | B7 |
|---|---|---|---|
| Nisa Local Drefach, Tumble | SA14 7BA | 146.9p | 159.9p |
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