The average Unleaded (E10) price at Costco Wholesale stations across the UK is currently 129.1p per litre as of March 2026, an increase of 4.5p from the previous period.

Fuel prices at Costco Wholesale have been rising recently, in line with broader market trends.

Across all Costco Wholesale locations, prices have ranged from 114.0p to 139.0p per litre — a 25.0p spread. Prices can vary significantly between individual Costco Wholesale stations, so it's worth checking your local station.