Fuel brands

Circle K petrol and diesel prices

Average prices across 44 Circle K forecourts, from the prices every UK filling station must publish under the government’s Fuel Finder scheme.

Circle K logo
Last updated
Records analysed
8,070 filling stations
Methodology
View methodology
  • Average unleaded petrol 167.7p 4.0p below the UK average
  • Average diesel 189.8p 4.8p below the UK average
  • Forecourts 44 in the Fuel Finder data
  • Rank for petrol 6 of 31 brands with 10+ forecourts; 1 is cheapest

Circle K petrol averages 167.7p a litre, 4.0p below the UK average, making it number 6 of 31 large brands for petrol. Most of its forecourts are at supermarkets. 1 is at motorway services, where prices are usually higher.

Cheapest and dearest Circle K forecourts

Cheapest petrol
Filling station Petrol
Circle K Garvaghy Road Portadown, BT62 1EH 159.9p
Circle K Cox Foodmarkets Ltd Ballygawley Co Tyrone, BT70 2DX 159.9p
Circle K Centra Mallusk Mallusk, BT36 4AW 162.9p
Circle K Wilson's Centra Carn Craigavon, BT63 5WG 162.9p
Circle K Centra Dervock Dervock, BT53 8BT 164.9p
Circle K Cooley's Ltd Belfast, BT11 9EB 164.9p
Circle K Supervalu Fintona Fintona, BT78 2AS 164.9p
Circle K Amco Supplies Ltd Omagh, BT78 5ED 165.9p
Circle K Centra Carrick Prince Andrew Way Carrickfergus, BT38 7XA 165.9p
Circle K Centra Carrickfergus Woodburn Rd Carrickfergus, BT38 8HQ 165.9p
Dearest petrol
Filling station Petrol
Circle K Spar Markethill Ss Armagh, BT60 1PN 195.9p
Circle K Swifts Spar Cushwash Enniskillen, BT92 0DW 171.9p
Circle K Roulstons Foodstore Trory Enniskillen, BT94 2FE 170.9p
Circle K Supervalu Newtownbutler Newtownbutler, BT92 6JP 169.9p
Circle K Supervalu Newcastle Newcastle, BT33 0LN 169.9p
Circle K Portglenone Centra Portglenone, BT44 8NG 169.9p
Circle K Newry Newry, BT34 1QA 169.9p
Circle K Lustys Centra Larne Port Larne, BT40 1AX 169.9p
Circle K Lustys Centra Larne Old Glenarm Road Larne, BT40 1NQ 169.9p
Circle K Dungiven Centra Dungiven, BT47 4TA 169.9p

Circle K prices by nation

Circle K average prices by nation
Nation Forecourts Petrol Diesel
Northern Ireland 44 167.7p 189.8p

A dash means fewer than three forecourts with a current price.

Fuel brands compared, cheapest petrol first

Average prices by brand
Brand Petrol Diesel Forecourts
Costco Wholesale 162.5p 184.1p 18
Go 164.9p 189.1p 32
Maxol 165.8p 188.7p 93
Solo 166.0p 190.3p 51
Emo 167.5p 190.8p 18
Circle K 167.7p 189.8p 44
Tesco 168.4p 190.3p 509
Asda 168.4p 191.0p 321
The Co-operative 168.4p 190.3p 19
Morrisons 168.5p 191.6p 339
Sainsbury's 169.0p 190.6p 315
Applegreen 169.0p 192.3p 13
Jet 169.8p 192.7p 302
Murco 170.3p 193.1p 159
Texaco 170.6p 193.8p 486
TotalEnergies 170.9p 193.8p 15
Valero 171.0p 194.2p 166
Pace 171.0p 193.7p 51
EG On The Move 171.5p 194.4p 147
Essar 171.6p 194.1p 32
Gulf 172.1p 195.4p 279
Asda Express 172.1p 194.7p 84
Esso 172.4p 196.0p 1,429
Spar 172.5p 194.6p 23
Harvest Energy 173.3p 197.5p 13
Gleaner 173.5p 197.6p 27
Highland Fuels 173.7p 195.7p 21
Central Convenience 173.7p 196.9p 18
BP 174.7p 197.6p 1,030
Shell 175.3p 197.9p 872
Welcome Break 187.2p 208.4p 40

Averages count each forecourt once. A brand with many motorway or rural sites will look dearer than one mostly in towns.

Data sources and methodology

Datasets used on this page
Figures Source Period Records Updated
Forecourt prices Fuel Finder open data Fuel Finder statutory scheme
ONS Postcode Directory Office for National Statistics
Prices at 16:47 on 16 September 2026 8,070 filling stations 16 September 2026
  • Averages use unleaded (E10) and standard diesel (B7) prices at open forecourts, leaving out prices unchanged for over two weeks or far from every other forecourt.
  • Brands are as each forecourt reports them to Fuel Finder; some dealer-run sites carry an oil company’s brand.

Source: Fuel Finder, the UK government’s statutory fuel price scheme.

Source: Office for National Statistics licensed under the Open Government Licence v3.0. Contains OS data © Crown copyright and database right 2026. Contains Royal Mail data © Royal Mail copyright and database right 2026.