Costco on Waterloo Road is selling unleaded for 99.9p per litre... though you must be a member.
Petrol prices have gone under the £1 per litre mark in Liverpool.
The city's Costco store is now selling unleaded petrol for 99.9p per litre.
The petrol station, which is situated on Waterloo Road on the outskirts of the city centre, is the only Costco fuel site in the country.
The move comes after a petrol station in Birmingham became the first in the country to sell petrol under £1 per litre.