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06 Sept 2025

Gap between average petrol and diesel tops 20p for the first time

Gap between average petrol and diesel tops 20p for the first time

The difference between the average price of petrol and diesel has surpassed 20p a litre for the first time, new figures show.

RAC Fuel Watch data has shown that as of Wednesday (October 12), drivers were paying an average of 163.13p for a litre of unleaded, whereas diesel had climbed to 183.94p a litre – a difference of 20.35p a litre.

RAC fuel spokesperson Simon Williams said: “Since OPEC and its allies agreed to reduce oil supply substantially we’ve seen the price of wholesale diesel go up by 9p a litre and petrol by 4p a litre. This has led to the average price of diesel going up by almost 4p a litre and petrol by nearly a penny.

RAC fuel spokesperson Simon Williams said: “Since OPEC and its allies agreed to reduce oil supply substantially we’ve seen the price of wholesale diesel go up by 9p a litre and petrol by 4p a litre. This has led to the average price of diesel going up by almost 4p a litre and petrol by nearly a penny.

“Sadly for diesel drivers, the situation seems certain to get worse with prices heading back to 190p a litre which will add £3 to the cost of a tank (£104.5).”

The wholesale price of oil has seen an increase as a result of the announcement from oil producer group OPEC+ that it would be cutting production by two million barrels a day. As a knock-on effect, the wholesale price of refined fuel has increased with oil trading above $90 a barrel, despite having been below that mark at the end of last month.

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