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Costco fuel prices and stations

Compare Costco unleaded and diesel averages versus peer and UK benchmarks, see freshness coverage, and spot where this brand is currently cheapest.

22 stations across the UK.

Stations

Unleaded prices, sorted A–Z
Fuel type
22 stations
Page 2 of 2

Showing unleaded prices where available. Unleaded uses E10 where available, then unleaded fallback.

Costco logo
Costco
Costco Wholesale Thurrock

West Thurrock Way West Thurrock RM20 3WY

157.9p/L
Unleaded
Price changed 05 Sept, 13:56Closed now
Opens at 06:00

Amenities

Amenities
  • Toilets
Costco logo
Costco
Costco Wholesale Watford

Hartspring Lane Watford Patchetts Green WD25 8JS

153.9p/L
Unleaded
Price changed 06 Sept, 13:49Closed now
Opens at 06:00

Amenities

Amenities
  • Toilets

About Costco

Brand type
Supermarket
Stations tracked
22 stations
Rewards
No rewards listed
Current price data
Price data changed 07 Sept 2026

Costco fuel is positioned as a member benefit: prices are often competitive, but access rules and operating hours are different from standard public forecourts.

In practice, Costco stations are tied to warehouse sites, so queue times, pump access windows, and bank-holiday hours depend on the specific location rather than a uniform national schedule.

For trip planning, check the exact warehouse fuel hours before detouring, and remember that membership eligibility and card requirements can affect whether you can actually buy fuel at the pump.

At a glance

  • Membership-only fuel proposition tied to Costco warehouse locations.
  • Often selected for value-focused planned trips rather than ad-hoc public forecourt use.
  • Access and operating windows are more constrained than standard roadside stations.

Fuel and energy options

  • Fuel offer is warehouse-linked and practical, with grade range varying by location.
  • Layout is usually designed for high throughput, which can still mean queues at peak times.
  • Service model is focused on fuelling efficiency rather than broad forecourt amenities.

Loyalty and payment

  • Costco fuel access is membership-led: the value proposition is typically lower pump pricing tied to active Costco membership.
  • Costco UK states its digital membership card currently cannot be used at petrol stations, so keep the physical membership card available.
  • Executive membership rewards can improve total value over time, but fuel savings should still be judged first on live pump price.

Who this brand suits

  • Drivers who want to combine fuel with a food or household shop.
  • Households that regularly use supermarket loyalty programmes.
  • Local routine journeys where convenience matters as much as pump price.

Before you go checks

  • Confirm active membership eligibility and keep the required physical card available.
  • Check warehouse fuel opening times separately from warehouse shopping hours.
  • Plan around quieter windows if you want to avoid peak queue periods.

Known variation note

Promotions, queue times, and forecourt layout can vary substantially between sites under the same brand.

Sources

Sources last reviewed 26 Feb 2026.

All-grade averages

Across E10/E5 for unleaded and B7/Diesel for diesel.

Unleaded156.1p/L
Diesel177.1p/L

Price data changed 07 Sept 2026.

Cheapest station near you

Enter a postcode to find the lowest prices nearby.

Find cheap petrol near you

Current Costco fuel prices

Average prices by fuel type with UK comparisons.

Price data changed 07 Sept 2026
Premium Unleaded (E5)
167.6p
22 stations
16.1p (8.8%) below
UK average: 183.7p
Low 159.9pHigh 171.9p
Unleaded (E10)
156.1p
22 stations
9.8p (5.9%) below
UK average: 165.9p
Low 151.9pHigh 158.9p
Diesel (B7)
177.1p
22 stations
10.2p (5.4%) below
UK average: 187.3p
Low 172.9pHigh 182.9p
Premium Diesel (SDV)
No recent data reported for this fuel type.

All-grade averages use recorded E10/E5 and B7/Diesel prices. Fuel cards compare each grade against UK averages; availability varies by brand.

Quick summary

Fast read of how Costco is performing right now.

Price position

Below UK average on tracked fuels.

Unleaded is 5.5p below UK average. Diesel is 6.4p below UK average.

Key insight

Costco prices are typically 5.5p below the national average.

Use the comparison and distribution sections below for local context.

Most competitive areas

Best average unleaded value appears in Midlothian and Merseyside.

Regional averages are directional and can change as fresh prices arrive.

Freshness coverage

0% of tracked stations have fresh prices.

Based on 22 stations with recorded unleaded prices.

Coverage snapshot

Strongest county coverage is Greater Manchester.

2 stations in that county; 22 stations tracked overall.

Price comparison

Compare Costco averages to supermarket average and the UK benchmark.

What this means: Unleaded is 6.7p/L below the supermarket average and 5.5p/L below the UK average. Diesel is 7p/L below the supermarket average and 6.4p/L below the UK average.

Unleaded

Brand vs supermarket average and UK average.

Brand avg
156.1p/L
Peer avgSupermarket average

Benchmark: 162.8p/L

-6.7p/L
Better value
Below benchmarkAbove benchmark
National avgUK average

Benchmark: 161.6p/L

-5.5p/L
Better value
Below benchmarkAbove benchmark
Diesel

Brand vs supermarket average and UK average.

Brand avg
177.1p/L
Peer avgSupermarket average

Benchmark: 184.1p/L

-7p/L
Better value
Below benchmarkAbove benchmark
National avgUK average

Benchmark: 183.5p/L

-6.4p/L
Better value
Below benchmarkAbove benchmark

Price distribution

What this means: Typical unleaded prices span about 3p across the middle of the range, so pricing is moderately spread. Typical diesel prices span about 3p across the middle of the range, so pricing is moderately spread. Both fuels show a similar level of price variation across tracked stations.

Unleaded

Based on 22 tracked prices.

Median
156.4p
151.9p158.9p
P25 154.9pMedian 156.4pP75 157.9p
Typical range154.9p to 157.9p (3p spread)
Full range151.9p to 158.9p (7p spread)
Min
151.9p
P25
154.9p
Median
156.4p
P75
157.9p
Max
158.9p
Diesel

Based on 22 tracked prices.

Median
176.9p
172.9p182.9p
P25 175.9pMedian 176.9pP75 178.9p
Typical range175.9p to 178.9p (3p spread)
Full range172.9p to 182.9p (10p spread)

A few stations sit well outside the typical range.

Min
172.9p
P25
175.9p
Median
176.9p
P75
178.9p
Max
182.9p

Shows min, 25th percentile, median, 75th percentile, and max across confidence-eligible prices for each fuel.

Brand snapshot

A quick read on price freshness, coverage, and facilities for Costco.

Data freshness

Based on 22 stations with recorded unleaded prices.

Fresh 0% This week 100% 7+ days 0% 30+ days 0%
Coverage snapshot

Top counties by station count.

Hertfordshire2 stations
Merseyside2 stations
West Midlands2 stations
Glasgow City1 stations
Most competitive areas

Lowest average unleaded prices for this brand.

Midlothian151.9p/L
Merseyside153.9p/L
Derbyshire153.9p/L
Reported amenities

Explicitly reported at 21 stations. Missing amenities are unknown, not absent.

Restrooms21 sites

How to use this brand guide

Use this guide to see how Costco prices compare across the UK. The averages show whether prices run above or below the national level, and the distribution highlights how much local prices vary. Use the freshness labels to prioritise recent data when comparing value, and jump to station details for opening hours and facilities.

Planning a longer trip? Pair the journey cost calculator with the route planner to compare pump price savings against detour time. For regional context, jump to county pages or the UK price map to see where this brand is most competitive, or explore the fuel calculators for cost comparisons.

Brand FAQs

We use the latest recorded prices across Costco stations, prioritising E10, then E5, then unleaded (and the latest diesel when available).

Some stations may not have recent or verified prices yet, so averages and comparisons update as new data arrives.

Use postcode search to compare nearby stations and sort by lowest price.

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