Live · Unleaded · inc VAT
Petrol & diesel prices in Cardiff
Daily average pump prices in Cardiff, aggregated from every reporting forecourt in the Government's fuel open-data scheme · updated 2026-07-29.
Today's average prices in Cardiff
Unleaded157.8p149.9-162.9p-1.0p vs UK+3.0p vs last week
Diesel176.0p166.9-187.9p-1.1p vs UK+2.2p vs last week
Super Unleaded174.2p160.9-189.9p-2.5p vs UK+0.7p vs last week
Premium Diesel194.4p179.9-207.9p-2.3p vs UK+1.8p vs last week
About these averages
Each figure is the mean pump price across every forecourt in Cardiff that reports to the UK Government's statutory Fuel Finder open-data scheme, refreshed daily from 76 unleaded price reports.
Averages hide big local spreads - supermarket forecourts are often 4-6p cheaper than motorway services. Use the live map to find the cheapest pump on your actual route, or see national trends on Insights.
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