Live unleaded and diesel prices at 21 Costco forecourts across the UK, sourced from the government's fuel price transparency scheme and refreshed hourly. Compare Costco's national average with the UK average, then open any forecourt for its own prices and 7-day history.
Costco average fuel prices today
Costco unleaded: 157.3p per litre
Costco diesel: 177.9p per litre
UK unleaded average: 163.6p per litre
UK diesel average: 187.8p per litre
Costco unleaded is currently 8.7p per litre cheaper than the UK average — about £4.37 less on a 50-litre fill.
Costco fuel is sold to members only. You need a valid Costco membership card to buy fuel at these forecourts, so factor the membership fee in before comparing the pump price with a public forecourt.