Diesel has reached its highest price ever, and the UK is paying for it.
Diesel costs 199.18p per litre, breaking the previous high of 199.09p set in June 2022. Petrol is also climbing, currently sitting at 174.13p per litre. The surge follows seven months of disruption in the Middle East, where the war in Iran has badly hurt the production and transport of oil across the region.
Simon Williams, RAC’s head of policy, put it plainly: diesel prices have entered “uncharted territory”. He called it a reminder of “just how exposed the UK is to events occurring far away”.
The Numbers Behind the Price
The cost of filling an average family car with diesel is now £110. That is £31 more than at the start of the conflict. The gap shows how quickly the pump price moved after the war began.
Williams warned that the effects reach beyond drivers. “Spells pain not only at the pumps for drivers, but for everyone who buys goods or services that rely on diesel lorries and vans,” he said.
He added that the increased costs will almost certainly be passed on to consumers. Prices at the pumps will not fall until there is a “sustained lower oil price – over several weeks, not days”.
What the War Has Done to Oil Supplies
The Iran war has made getting oil out of the ground and across borders harder. Production and transportation have both been hit, sending wholesale oil prices up sharply.
Fuels made from oil have followed that rise. Diesel is one of them, and the price at the pump is the result.
The disruption has lasted seven months. That is a long stretch for a market built on steady supply. The UK economy depends on a steady flow of oil, and seven months of war have shaken that foundation.
How the Supply Chain Carries the Cost
The link between the war and the pump runs through the lorries and vans that carry goods. Drivers see the price on the pump. Shoppers see it in higher goods.
The RAC’s warning about exposure points to that chain. The UK economy feels what happens overseas, and oil prices are the channel. A war in the Middle East can raise prices at the pump within months.
What Comes Next for Drivers
There is no quick fix. Williams said a sustained lower oil price is needed over several weeks, not days.
That means the pressure stays on for now. Drivers will keep paying more, and so will everyone who relies on goods moved by road.
The Hard Numbers
- Diesel: 199.18p per litre, an all-time high
- Petrol: 174.13p per litre
- Previous diesel high: 199.09p in June 2022
- Cost of filling an average family car with diesel: £110, up £31 since the start of the conflict
- Time of disruption: seven months
- Cause: the war in Iran
The numbers show the scale of the change. The gap between then and now is measured in months of war, not days of weather.
Why This Matters Now
The UK’s economy depends on roads, and roads depend on diesel. The lorries that move goods, the vans that deliver packages, the trucks that build homes — all of them run on diesel, and all of them now cost more to run.
That cost does not stay at the pump. It moves into the price of groceries.
The war in the Middle East is the engine behind this. Seven months of disruption have pushed wholesale oil prices up, and those prices travel fast through the supply chain.
The RAC’s record is a signal of how exposed the UK is to events abroad. The gap between the old high and the new high is small in pence, but it represents a market that has never seen a price this high before.
The Road Ahead
Prices will not fall until there is a sustained lower oil price. That is the condition stated by Williams. Days are not enough — the market needs weeks of steadier prices before the pump settles.
For the UK economy, it means managing a period of higher costs while the war continues. The economy has absorbed the first round of price increases, but the pressure has not eased.
The record price is a marker, not a goal. The question now is how the economy manages those costs.
The war in the Middle East is still going on, and the price of diesel is telling the story of that war in every garage in the country.
See the a run of 33 images at the BBC.
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