B7 diesel: meaning and prices near you.
B7 is diesel containing up to 7% biodiesel. Compare reported standard-diesel prices near your postcode, and follow your vehicle’s fuel requirements when choosing a grade.
Diesel B7 savings depend on MPG and detour distance.
The useful answer is not just the cheapest diesel price. Route & Fuel helps compare station price with how much fuel the diversion may use.
Current UK diesel B7 price range
Use these figures as the market check, then search by postcode or compare estimated savings in the web route planner. The app adds saved vehicle settings and live traffic checks within your plan allowance.
Latest price information · 13 October 2026
Standard diesel prices
Track B7 diesel prices and compare local fuel stations.
Large tanks make small differences matter
A few pence per litre can matter more on larger diesel tanks, but detour cost still needs checking.
Avoid false economy detours
Use route and detour checks to avoid chasing a cheaper station price that costs more to reach.
Useful for UK diesel price searches
B7 diesel prices can vary by retailer, motorway access and local competition, so this page combines the UK average with local price search.
Use the web fuel route planner to compare stops along a journey. Explore the app for its additional journey and vehicle features.
Questions drivers ask
What is B7 diesel?
B7 is diesel containing up to 7% biodiesel. Follow your vehicle’s fuel requirements when choosing a grade.
Can Route & Fuel compare diesel prices along a route?
Yes. The web fuel route planner combines station prices with route and MPG inputs to estimate fuel savings after a detour. The app adds saved vehicle settings and live traffic checks within your plan allowance.
Get Route & Fuel ready for your next fill-up.
Compare nearby prices and estimated detour fuel costs on the website. The app adds saved vehicle settings, favourites, alerts and live traffic checks within your plan allowance.