Google Maps adds UK petrol and diesel prices from Fuel Finder as diesel hits 199.52p

The government and Google announced the launch at one minute past midnight on Thursday 8 October. In its announcement, Google says it worked with the UK government and the UK Waze community, and that the same data now appears in both of its apps. The government already listed Waze among the apps using Fuel Finder data, with Petrol Prices, the AA, Confused.com and RAC Fuel Watch.

Polly Billington, the Minister for Energy Consumers, called it "a gamechanger". The government's own estimate is that a household with a car can save about £40 a year by comparing prices. It does not publish how that figure was worked out. On our own sums, £40 is about twelve 55-litre fill-ups each bought 6p a litre cheaper.

What Google has not said: whether each price carries the time it was last updated, whether you can sort stations by price, and whether the feature works the same in Android Auto and Apple CarPlay. We will add those details when Google confirms them.

Fuel Finder runs under the Motor Fuel Price (Open Data) Regulations 2025 and is operated for the government by VE3 Global Limited. The Competition and Markets Authority recommended it and enforces it. Any business that sells petrol or diesel to the public has to register each forecourt and report its prices: chains, franchises, unmanned sites and garages that sell fuel on the side. Sites that only sell to other businesses, only sell red diesel for farm use, sell fuel in jerry cans or supply HGV depots are exempt.

Prices can be submitted online, through an API, by text message or by phone. The system warns the operator if a new price looks wrong, for example if it is more than 50% away from the last one. A forecourt that persistently reports late or wrongly can get a compliance notice or a fine, and the CMA said it would start prioritising enforcement from 1 May 2026.

Coverage has grown in steps. In March the government said about 90% of petrol stations had signed up; on 8 October it said 99% of fuel sold was reflected. Those two figures measure different things, stations and volume, so a small number of forecourts may still be missing from the map.

The government's weekly series, taken each Monday, put diesel at 199.52p on 5 October, 0.30p above its previous high from July 2022. A week earlier it was 197.58p. Diesel has risen 58.06p a litre since 23 February, the last reading before the conflict in the Middle East, and unleaded 43.17p. Petrol is still well short of its 2022 record. The RAC's daily average passed £2 a litre on 2 October, at 200.01p.

Our median is not a third national average: it is the middle price among the forecourts in our feeds. Half of the 2,358 we track charge 199.9p or less for diesel; the cheapest tenth are at 196.9p or below and the dearest tenth at 203.9p or above.

Glasgow has the widest spread of the big cities in our feeds: 11.2p between 193.7p on Duke Street and 204.9p, and a median 2p above Scotland's. Manchester's cheapest diesel, 192.9p at Harpurhey Shopping Centre, is 7p below its median. Leeds (197.9p), Liverpool (197.9p), Edinburgh (198.9p) and Nottingham (198.9p) have medians below the national 199.9p.

By brand, Asda and Morrisons sit on the national median for diesel, while Esso is 2p above it and BP 3p above. Every one of the ten cheapest diesel prices we track today is at an Asda forecourt; the full list is on the cheapest forecourts page.