United Kingdom Fuel Prices
UK Fuel Prices Today
Petrol · Diesel — Updated 18 May 2026
Prices sourced from GOV.UK weekly road fuel prices. Last updated: 18 May 2026.
How Fuel Prices Are Set in United Kingdom
The UK publishes weekly average road fuel prices for unleaded petrol and diesel. The calculator uses those official weekly averages as the source of truth for route planning.
UK road charging is fragmented across specific bridges, tunnels, crossings, and tolled motorways, so the rollout keeps the route-level toll baseline at zero and points to the official toll pages.
Fuel Cost for Common Routes
Car (Petrol, 12 km/L) fuel estimates for popular United Kingdom highway routes.
Common Questions About United Kingdom Fuel Prices
How often are fuel prices updated in the UK?
The UK government publishes weekly average retail road fuel prices for unleaded petrol and diesel. This page uses those official weekly averages as the planning baseline.
Which fuel grades are shown on this page?
The page focuses on unleaded petrol and diesel because those are the official weekly road fuel series published by the UK government.
Are UK fuel prices the same everywhere?
No. Retail prices vary by region, retailer, and motorway service area, but the weekly national average is a useful planning benchmark.
What electricity rate do EV estimates use?
EV estimates use Ofgem's default tariff unit rate as the home-charging reference and a public rapid-charging tariff from InstaVolt for fast charging.
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