Frequently Asked Questions About Fuel in Didcot, Blewbury, Harwell
As of 3 May 2026, the cheapest E10 petrol in Didcot, Blewbury, Harwell is 153.9p at SAINSBURY'S, CENTRAL DRIVE, DIDCOT, ENGLAND.
There is currently a 9.0p difference between the cheapest and most expensive stations in Didcot, Blewbury, Harwell. For a standard 55-litre family car, that equals a saving of £4.95 per tank.
We update prices daily using data provided directly by fuel stations via the Competition and Markets Authority (CMA) Open Data scheme. This is a UK Government initiative requiring all major retailers to report live prices, ensuring you see the most accurate data for the South Oxfordshire area.
Not today. SAINSBURY'S is actually cheaper than local supermarkets in OX11. It's always worth comparing before filling up.
We are currently tracking 5 active fuel stations in the OX11 area, operated by 5 different brands including SAINSBURY'S, TESCO, VALERO and more.
The cheapest B7 diesel in Didcot, Blewbury, Harwell is currently 185.9p at SAINSBURY'S. You can also use our interactive fuel map to compare diesel prices visually.