Save Money on Fuel! The Cheapest Places to Buy Petrol & Diesel in the UK (2026)

A shocking revelation for drivers: the best place to fill up your tank!

In an exclusive interview, motoring expert Howard Cox, founder of FairFuelUK, has exposed the truth about fuel prices and offered a simple solution to save money.

The Big Secret: It's Costco! With a whopping 9p and 13p per litre savings on petrol and diesel respectively compared to BP's national average, Costco is a hidden gem for drivers. But here's the twist: how can Costco, with just 20 outlets, offer such great prices when it sources fuel from the same major refineries as the big brands like BP and Shell?

Cox's explanation is eye-opening. He believes that Costco's limited number of outlets gives it an advantage in negotiating better prices, proving that size doesn't always matter when it comes to savings.

The Supermarket Advantage: Cox also highlights that supermarkets, like Asda, offer consistently lower prices than the major brands. Asda's petrol is on average 5p cheaper than BP, and diesel is 6p cheaper. So, his advice is clear: boycott the rip-off suppliers like BP, Shell, and Esso, and head straight to your local supermarket forecourt.

This revelation comes at a time when fuel duty increases are a real concern. A Labour minister has refused to rule out a hike, leaving drivers anxious about future costs.

The Government's Role: The Chancellor has confirmed that the planned increase for 2026-27 will be cancelled, but rates will return to March 2022 levels by March 2027. This means drivers will face gradually increasing fuel costs in the coming years.

And this is the part most people miss: with the new Fuel Finder initiative, drivers can now easily compare prices at every petrol station across the UK. This government-backed tool provides real-time data to third-party apps and websites, making it easier than ever to find the best deals.

So, the next time you're low on fuel, remember Cox's advice and head to Costco or your local supermarket. It's a simple way to save money and stick it to the big brands.

What do you think? Is Costco really the cheapest option, or are there other factors at play? Share your thoughts and experiences in the comments below!

Save Money on Fuel! The Cheapest Places to Buy Petrol & Diesel in the UK (2026)

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