UK diesel prices today

The average price of diesel (B7) is 198.4p a litre today. That comes from 6,354 UK forecourts that have reported a price in the last 30 days. The middle price (median) is 198.9p. The average is −1.5p compared with a week ago and −1.6p compared with a month ago. The Government's own weekly average, which gives more weight to busy forecourts, was 198.6p in the week of 2 Nov 2026.

The cheapest diesel reported right now is 149.9p at Sainsbury's Newbury (Hectors Way, Newbury). The cheapest town is Bangor, with an average of 188.4p. The cheapest region is Northern Ireland at 190.9p.

Supermarket forecourts charge 195.8p for diesel on average. Other forecourts charge 198.6p. That saves 2.8p a litre, or about £1.40 on a 50-litre tank. Motorway services charge 216.6p on average, which is 18.2p more than the national average.

About a third of the pump price is the fuel itself. That part follows the world price of oil and the value of the pound. The rest is fuel duty, which is a fixed amount per litre, VAT at 20% on top of everything, and the retailer's own margin. When the oil price moves, pump prices usually follow within a few days. The CMA has found that prices go up faster than they come down. The history page shows the duty and VAT parts for every week since 2003.