Litrewise

Petrol and diesel prices near Carmarthen, Carmarthenshire

Petrol within 5 miles of Carmarthen ranges from 169.9p to 173.9p, with a median of 170.9p, 3.0p below the UK median.

Based on 10 stations within 5 miles of Carmarthen. Statistics exclude closed stations, out-of-date prices and prices that look like errors; every station is still listed.

Prices checked 19 Oct 2026, 11:15

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"Saves" compares a station with the nearest one for a full tank, after the cost of the extra distance there and back. Adjust these to match your car.

Cheapest right now

Petrol your fuel

  1. 1stGwalia GarageMurco · 3.8 mi · updated 8 OctOpen until 20:00169.9p
  2. 1stVst Towy Services StationTexaco · 0.1 mi · updated 19 OctOpen 24 hours169.9p
  3. 2ndDerwydd ServicesMurco · 4.9 mi · updated 14 OctOpen until 20:00170.9p
  4. 2ndMfg Morrisons CarmarthenMorrisons · 0.7 mi · updated 18 OctOpen 24 hours170.9p
  5. 2ndTanerdy GarageMurco · 0.9 mi · updated 13 OctOpen until 20:00170.9p

Diesel

  1. 1stMfg Morrisons CarmarthenMorrisons · 0.7 mi · updated 18 OctOpen 24 hours194.9p
  2. 1stTanerdy GarageMurco · 0.9 mi · updated 14 OctOpen until 20:00194.9p
  3. 1stGwalia GarageMurco · 3.8 mi · updated 14 OctOpen until 20:00194.9p
  4. 2ndDerwydd ServicesMurco · 4.9 mi · updated 14 OctOpen until 20:00195.9p
  5. 3rdAscona Tenby Road Service StationValero · 3.2 mi · updated 16 OctOpen 24 hours197.9p

View all stations

Super unleaded

  1. 1stTanerdy GarageMurco · 0.9 mi · updated 26 SeptOpen until 20:00179.5p
  2. 2ndVst Towy Services StationTexaco · 0.1 mi · updated 19 OctOpen 24 hours179.9p
  3. 3rdDerwydd ServicesMurco · 4.9 mi · updated 29 SeptOpen until 20:00182.9p

Premium diesel

  1. 1stTanerdy GarageMurco · 0.9 mi · updated 26 SeptOpen until 20:00205.5p
  2. 2ndGwalia GarageMurco · 3.8 mi · updated 26 SeptOpen until 20:00206.5p

Price summary

FuelLowestMedianHighestStationsCompared with UK
Petrol (E10)169.9p170.9p173.9p93.0p below the UK median
Diesel194.9p197.9p199.9p102.0p below the UK median
Super unleaded (E5)179.5p182.9p189.9p59.0p below the UK median
Premium diesel205.5p206.0p206.5p213.9p below the UK median

All stations

StationDistancePetrol (E10)DieselSuper unleaded (E5)Premium diesel
Vst Towy Services StationTexaco Towy Service Station, Caerfyrddin, SA31 2BNOpen 24 hoursDirections0.1 mi away169.9p1st19 Oct197.9p3rd19 Oct179.9p2nd19 Oct–
Gwalia GarageMurco Gwalia Garage, Carmarthen, SA32 7DROpen until 20:00Directions3.8 mi away169.9p1st8 Oct194.9p1st14 Oct178.5p out of dateupdated 19 Sept206.5p2nd26 Sept
Mfg Morrisons CarmarthenMorrisons Parc Pensarn, Carmarthen, SA31 2NFOpen 24 hoursDirections0.7 mi away170.9p2nd18 Oct194.9p1st18 Oct189.9p28 Sept–
Tanerdy GarageMurco Tanerdy Garage, Carmarthen, SA31 2EYOpen until 20:00Directions0.9 mi away170.9p2nd13 Oct194.9p1st14 Oct179.5p1st26 Sept205.5p1st26 Sept
Derwydd ServicesMurco Derwydd Garage, Carmarthen, SA33 6TPOpen until 20:00Directions4.9 mi away170.9p2nd14 Oct195.9p2nd14 Oct182.9p3rd29 Sept–
Carmarthen Extra - Petrol Filling StationTesco Tesco Stores, Caerfyrddin, SA31 3AXOpen 24 hoursDirections0.6 mi away172.9p3rd14 Oct197.9p3rd14 Oct182.9p3rd14 Oct–
Cks SupermarketMurco C K's Supermarket, Carmarthen, SA31 3HLOpen until 22:00Directions1.0 mi away173.9p13 Oct198.9p13 Oct––
Ascona Tenby Road Service StationValero Lysonnen Road, Carmarthen, SA33 5DTOpen 24 hoursDirections3.2 mi away173.9p9 Oct197.9p3rd16 Oct199.9p out of dateupdated 15 Sept219.9p out of dateupdated 8 Sept
Oil 4 Wales Ltd NantycawsOil 4 Wales Ltd Nantycaws Filling Station Ltd, Caerfyrddin, SA32 8BGOpen until 21:00Directions3.9 mi away173.9p26 Sept199.9p26 Sept––
Asda White Mill Express PetrolEsso A40, Carmarthen, Carmarthen, SA32 7ENOpen until 22:00Directions3.3 mi away174.9p out of dateupdated 18 Sept199.9p28 Sept––

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