Swathes of Brits may be getting ripped off when refuelling their vehicles - but a simple hack could save them more than £100 every year.

An experienced full-time HGV driver has revealed a practical method for cutting down on fuel expenses, after realising just how much petrol and diesel prices can fluctuate. In a conversation with experts at , Malcolm Shaw explained how an called PetrolPrices is key in saving him a small fortune when .

PetrolPrices is a fuel price comparison app that displays a live map showing petrol and diesel prices submitted by real drivers across the UK. The real-time data allows users to quickly compare prices at nearby forecourts and identify where the is available on any given day.

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"It's the first thing I check before a long day," Malcom said. "The difference between the can be 5, 6, even 7p a litre — and that's just in the same postcode."

He says he regularly notices significant savings by simply choosing a petrol station just a short distance from his usual stop. "The other day I saw unleaded at 154.9 at one place, and 147.9 literally around the corner," the pro added. "For a full tank, that's over £4.50 saved, no effort."

To put these savings into perspective, the estimates that the average UK petrol car has a tank size of around 55 litres. Most drivers refuel approximately every 10 to 14 days, which means roughly 30 full refuels a year. So If you save £4.50 every time you fill up, the total annual savings could be in the region of £135.

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For households with multiple cars or those who commute longer distances, the amount saved could be considerably higher. Malcolm's message is straightforward — if you're not using a fuel price comparison app like PetrolPrices, you're probably paying more than you need to for fuel without even realising it.

He advises: "It takes seconds to check and could save you hundreds. I think every driver should have it." Fuel remains one of the largest monthly expenses for many UK households. like PetrolPrices prove that a small change in your routine can make a meaningful difference to your finances. By simply taking a moment to compare prices, drivers can avoid overpaying and keep .

In the current climate, where every penny counts, Malcolm's advice shows how can empower drivers to make smarter choices. Whether you're driving a heavy goods vehicle or a family car, using tools like PetrolPrices is a practical way to reduce fuel costs with little extra effort.

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