What the website can show
Mapped 99 RON average, cheapest mapped premium petrol price and wider Super unleaded E5 context.
Using latest published government and fuel retailer data. Public fuel data normally reports premium petrol as Super unleaded E5. Route & Fuel maps E5 to 97/99 RON for common retailers using the same rules as the app and keeps uncertain products generic rather than guessing.
Current mapped UK average from 2,721 fuel stations with public E5 prices and a 99 RON brand rule.
ESSO • IP9. 97+ RON summaries exclude brands Route & Fuel maps as known 99 RON products.
A cheap premium pump only matters if it is the fuel your car needs and the turn-off is still worth it. The app can compare fuel type, RON label, route position, detour fuel, fuel range and traffic before you choose a stop.
Mapped 99 RON average, cheapest mapped premium petrol price and wider Super unleaded E5 context.
Live station filtering, 97/99 RON labels for common retailers, route fit, detour fuel and Google Maps directions.
Use the fuel grade required by your manufacturer or tuner. Do not substitute a lower-RON product just because it is cheaper.