Costco diesel price today (UK)
- Diesel avg
- 189.9p▼ −0.3p
- Cheapest diesel
- 184.9p
- Over unleaded
- +26.0p
- Stations with diesel
- 22
Updated · Costco diesel in the UK · pence per litre · “Over unleaded” is the median gap at the same station
Every one of the 22 Costco petrol stations in the UK sells diesel, and the average Costco diesel price today is 189.9p per litre. That is down 1.4p over the last 30 days. At the same Costco, diesel is a median 26.0p above unleaded.
Every station below posted a diesel price in our latest daily reading. Every UK Costco sells one diesel, Kirkland Signature Premium Diesel, and the prices below are for it.
Costco diesel near me
Enter your postcode or town to find the closest Costco diesel, with today’s price and whether the petrol station is open now.
Postcode and town locations from GeoNames, licensed under CC BY 4.0.
Costco diesel prices at every UK station
All 22 Costco petrol stations selling diesel, cheapest first. Today’s diesel runs from 184.9p at Costco Edinburgh and Costco Watford to 194.9p at Costco Reading and Costco Southampton.
| Station | Diesel | Unleaded | Gap |
|---|---|---|---|
| Costco EdinburghScotland | 184.9p | 164.9p | +20.0p |
| Costco WatfordSouth & East | 184.9p | 164.9p | +20.0p |
| Costco HaydockNorth West | 186.9p | 158.9p | +28.0p |
| Costco LeedsYorkshire | 186.9p | 160.9p | +26.0p |
| Costco LiverpoolNorth West | 186.9p | 161.9p | +25.0p |
| Costco ManchesterNorth West | 186.9p | 158.9p | +28.0p |
| Costco SheffieldYorkshire | 186.9p | 166.9p | +20.0p |
| Costco BirminghamMidlands | 187.9p | 160.9p | +27.0p |
| Costco GlasgowScotland | 188.9p | 165.9p | +23.0p |
| Costco OldhamNorth West | 188.9p | 163.9p | +25.0p |
| Costco StevenageSouth & East | 189.9p | 166.9p | +23.0p |
| Costco SunburySouth & East | 189.9p | 162.9p | +27.0p |
| Costco ThurrockSouth & East | 190.9p | 164.9p | +26.0p |
| Costco CoventryMidlands | 191.9p | 165.9p | +26.0p |
| Costco GatesheadNorth East | 191.9p | 163.9p | +28.0p |
| Costco LeicesterMidlands | 191.9p | 166.9p | +25.0p |
| Costco AberdeenScotland | 192.9p | 162.9p | +30.0p |
| Costco BristolSouth West | 192.9p | 165.9p | +27.0p |
| Costco ChesterNorth West | 192.9p | 156.9p | +36.0p |
| Costco DerbyMidlands | 192.9p | 164.9p | +28.0p |
| Costco ReadingSouth & East | 194.9p | 168.9p | +26.0p |
| Costco SouthamptonSouth & East | 194.9p | 166.9p | +28.0p |
Average Costco diesel price in the UK
Last 30 days · pence per litreDiesel: 191.3p on 2 Oct to 189.9p on 31 Oct, low 189.8p, high 191.7p.
Costco diesel locations map
Tap a dot for the station and today’s diesel price.
Diesel is sold from the same pumps and on the same petrol station opening times as unleaded. For unleaded and super unleaded at every site, see Costco fuel prices today. To find the closest station for any fuel, use Costco petrol near me, or see which Costcos have a petrol station.
Costco diesel: common questions
Does Costco sell diesel in the UK?
Yes, at every one of its 22 UK petrol stations. Each has its own diesel price, listed on this page.
How much is diesel at Costco today?
The average Costco diesel price in the UK is 189.9p per litre as of the 31 October 2026 reading, from 184.9p at Costco Edinburgh and Costco Watford to 194.9p at Costco Reading and Costco Southampton.
Where is the cheapest Costco diesel today?
Costco Edinburgh and Costco Watford, at 184.9p per litre as of the 31 October 2026 reading. Prices change daily, so the table on this page ranks every station by today’s diesel price.
Is Costco diesel more expensive than unleaded?
Yes, at the moment. At the same Costco, diesel is a median 26.0p per litre above unleaded as of the 31 October 2026 reading.
Is the Costco petrol station members only?
Yes — a Costco membership card has to be scanned at the pump before it will dispense fuel.
How do you pay at a Costco petrol station?
By card at the pump, after scanning your membership card; there is no kiosk and no cash payment.