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Fuel prices in Carmarthen

The cheapest diesel in Carmarthen right now is 191.9p a litre at Tanerdy Garage, and the cheapest petrol is 161.9p at Tanerdy Garage. That's across 5 forecourts within 3 miles of the centre, where diesel averages 195.9p and petrol 165.9p. Diesel is the same as a week ago, and petrol is down 2.0p on a week ago.

Cheapest right now

  1. 1919 Diesel

    Tanerdy Garage

    0.9 mi

    Murco · Tanerdy Garage · Carmarthen

    Changed Open until 20:00
    Cheapest diesel Air & screenwashWater
  2. 1619 Unleaded

    Tanerdy Garage

    0.9 mi

    Murco · Tanerdy Garage · Carmarthen

    Changed Open until 20:00
    Cheapest petrol Air & screenwashWater
Carmarthen
Average price per litre
Unleaded 5 forecourts · low 161.9p
1659
Diesel 5 forecourts · low 191.9p
1959
Super unleaded 4 forecourts · low 172.5p
1809
Premium diesel 1 forecourt · low 202.5p
2025
Averages leave out prices that haven't changed in 30 days.

Every forecourt in Carmarthen

Sorted by price. Distances are from the centre of Carmarthen.

  1. 2025 Premium diesel

    Tanerdy Garage

    0.9 mi

    Murco · Tanerdy Garage · Carmarthen

    Changed Open until 20:00
    Air & screenwashWater
  2. ––– Premium diesel

    Vst Towy Services Station

    0.1 mi

    Texaco · Towy Service Station · Caerfyrddin

    Doesn't sell premium diesel, or hasn't reported a price for it Open 24 hours today
    24h fuelAir & screenwash
  3. ––– Premium diesel

    Carmarthen Extra

    0.6 mi

    Tesco · Tesco Stores · Caerfyrddin

    Doesn't sell premium diesel, or hasn't reported a price for it Open 24 hours today
    EV 22kW24h fuelAir & screenwashWater
  4. ––– Premium diesel

    MFG Morrisons Carmarthen

    0.7 mi

    Morrisons · Parc Pensarn · Carmarthen

    Doesn't sell premium diesel, or hasn't reported a price for it Open 24 hours today
    EV 50kWAdBlue pump24h fuelCar washAir & screenwash
  5. ––– Premium diesel

    CKs Supermarket

    1.0 mi

    Murco · C K's Supermarket · Carmarthen

    Doesn't sell premium diesel, or hasn't reported a price for it Open until 22:00
    ToiletsAir & screenwash

EV charging in Carmarthen

18 public charging sites within 3 miles of Carmarthen, 5 of them rapid (50kW or more). See EV chargers in Carmarthen.

Facilities in Carmarthen

Fuel in Carmarthen: common questions

What is the cheapest diesel in Carmarthen today?

191.9p a litre at Tanerdy Garage, Tanerdy Garage. Tanerdy Garage last changed this price 10 hrs ago.

What is the cheapest petrol in Carmarthen today?

161.9p a litre at Tanerdy Garage, Tanerdy Garage. Tanerdy Garage last changed this price 10 hrs ago.

What is the average price of fuel in Carmarthen?

Diesel averages 195.9p a litre in Carmarthen, 2.0p below the UK average of 197.9p. Petrol averages 165.9p, 3.0p below the UK average of 168.9p. The averages leave out prices that haven't changed in 30 days.

Are fuel prices going up in Carmarthen?

Diesel is the same as a week ago, and petrol is down 2.0p on a week ago. These compare today's average with the average we recorded in Carmarthen seven days ago.

How many forecourts are there in Carmarthen?

5 forecourts within 3 miles of Carmarthen town centre report their prices. 1 has an AdBlue pump, 1 has rapid EV charging, 3 sell fuel 24 hours, 1 has a car wash.

How up to date are these prices?

Each price shows when the forecourt last changed it, so you can see how current it is.