Gap between average petrol and diesel prices reaches a record 20p
RAC Fuel Watch data shows the gap between the average price of petrol and diesel has surpassed 20p a litre for the first time ever.
As of Wednesday 12 October, drivers were paying an average of 163.13p for unleaded while diesel had climbed to nearly 184p (183.94p) – a difference of 20.35p a litre.
Following the announcement from oil producer group Organised of the Petroleum Exporting Countries (OPEC+) a week ago that it was cutting production by two million barrels a day, the wholesale price of refined fuel has increased as a result of oil trading above $90 having been below that mark at the end of last month.
OPEC is made up of 13 countries (Algeria, Angola, Republic of the Congo, Equatorial Guinea, Gabon, Iran, Iraq, Kuwait, Libya, Nigeria, Saudi Arabia, United Arab Emirates, and Venezuela), and they control 81.5% of the world’s oil reserves.
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).”
At the end of September the gap between the price for petrol and diesel hit a record 17p – and the gap has continued to rise.
For concerned drivers, these helpful tips on how to save fuel, will be useful for the immediate future.
- RAC Fuel Watch – latest petrol and diesel prices
- How to save fuel – the ultimate guide
- What affects the price of fuel?
UK fuel market
In other recent fuel news, the Government has provided its initial response to the Competition and Markets Authority (CMA) on its road fuel review.
Williams commented: “It’s encouraging the Government is talking about an ‘open data scheme’, particularly if it makes it easy for drivers to compare local fuel prices so they can always find the best places to fill up.
“Hopefully, this would also lead to more custom for the lowest priced retailers and incentivise others to price more competitively. There is, of course, the danger that retailers will just ‘price match’ one another at levels that still don’t fairly reflect wholesale prices.
“Having provided evidence to the CMA for its more detailed market study we hope it will be able to shed some light on why the biggest fuel retailers have significantly upped their margins during an extended period of lower wholesale costs instead of passing on lower prices to drivers at their pumps in the cost-of-living crisis.
“This has led to an unusual situation where many smaller forecourts have been charging far less than their bigger rivals. As supermarkets normally price their fuel 4p lower than the UK average drivers who continue to fill up at their forecourts without shopping around may have lost out significantly.
“As well as knowing where they can buy the cheapest fuel drivers need some indication of whether retailers are charging a fair price in the first place.”

Cheaper than AA Price Promise^
- Roadside cover from £5.29 a month*
- We get to most breakdowns in 60 mins or less
- Our patrols fix 4/5 breakdowns on the spot
*At least 10% of new customers pay this for single-vehicle Roadside (Basic). ^T&Cs apply.
You might also like

Are rising fuel prices accelerating the shift to electric vehicles?
Has the constant rise in fuel prices across the UK helped increase the likelihood of drivers switching to electric vehicles (EVs)?

Does fuel go off? Old fuel and fuel storage questions answered
How should you store your fuel? How long does fuel last? Is using old fuel safe? Read our guide to petrol / diesel storage before you stock up.

How to save fuel – the ultimate guide
8 industry-expert tips for how to save fuel: looking at cruise control, the speed you drive, what gear you drive in and how much fuel you carry

What to do after putting the wrong fuel in your car
If you’ve put the wrong type of fuel in your car, don’t panic. Here’s what you should do for both petrol and diesel misfuel.

CMA to launch more detailed review of the fuel market as prices continue to rise
The CMA reported that after the review of the road fuel market, there is cause for concern for drivers across the UK.
Popular in News
1
Car buyers to save thousands as EV grant returns
2
Private parking companies issue a record 14.4m tickets to drivers in a single year
3
Drivers fined £1m from just 36 yellow box junctions in 2024
4
Road deaths on the rise in Great Britain
5
Private parking industry urged to publish ‘full and transparent’ complaints and appeals data
6
Drivers now able to search for new home that comes with EV chargers
7
Leicester’s Sean Kimberlin named as RAC Mobile Mechanic of the Year
8
Number of drivers caught using unroadworthy vehicles jumps by 52% in a year
9
Warning to drivers across the UK over fake parking apps
10