How much is petrol at Costco today?

Costco unleaded averages 153.7p per litre across 22 UK stations today, and diesel averages 173.6p. Individual stations range from 150.9p to 156.9p. Updated 20 August 2026.

Is Costco petrol cheaper than average?

Costco unleaded averages 153.7p, which is 7.6p below the UK average of 161.3p — roughly £4.18 saved on a 55-litre tank.

Where is the cheapest Costco petrol station today?

The cheapest Costco station today is Costco Wholesale Liverpool in Liverpool at 150.9p per litre for unleaded. Costco forecourts are open to members only.

Home › Costco Petrol Prices

22 Stations · Members Only

Costco Petrol Prices Today

UK average across all brands: unleaded 161.3p · diesel 182.4p

Checked 20 August 2026 · retailer-reported prices, changes filed within 30 minutes

Costco trend: Unleaded ▲ 0.4p · 7d · Diesel ▲ 0.6p · 7d

UNLEADED (AVG)

153.7p

range across 22 Costco stations

DIESEL (AVG)

173.6p

range across 22 Costco stations

Cheaper Than the UK AverageCostco unleaded averages 7.6p below the UK average of 161.3p — about £4.18 saved on a 55-litre tank.

Costco unleaded averages 153.7p per litre across 22 UK stations today, 7.6p below the UK average of 161.3p. Diesel averages 173.6p. The cheapest Costco station today is 150.9p at Costco Wholesale Liverpool in Liverpool; the priciest is 156.9p at Costco Wholesale Stevenage in Stevenage — a spread worth £3.30 on a full tank. Costco forecourts are open to members only.

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How Costco Compares

vs UK average (unleaded)−7.6p lower

vs UK average (diesel)−8.8p lower

Cheapest Costco today150.9p

Priciest Costco today156.9p

Costco Prices by Town

Average Costco pump prices by town, cheapest first · checked 20 August 2026
Town	Stations	Unleaded	Diesel
Liverpool	1	150.9p	170.9p
Manchester	1	150.9p	172.9p
Westhill, Aberdeen	1	151.9p	175.9p
Watford	1	151.9p	169.9p
Birmingham	1	151.9p	170.9p
Derby	1	151.9p	173.9p
Edinburgh	1	151.9p	169.9p
Haydock	1	151.9p	172.9p
Oldham	1	151.9p	170.9p
Leeds	1	151.9p	172.9p
Coventry	1	153.9p	175.9p
Leicester	1	153.9p	171.9p
Bristol	1	154.9p	173.9p
Glasgow	1	154.9p	174.9p
Gateshead	1	154.9p	173.9p
Chester	1	155.9p	176.9p
Southampton	1	155.9p	175.9p
West Thurrock	1	155.9p	172.9p
Sunbury-on-thames	1	155.9p	176.9p
Reading	1	156.9p	178.9p
Stevenage	1	156.9p	174.9p