What is super unleaded E5 petrol?
E5 petrol contains up to 5% ethanol. In the UK, super unleaded is generally sold as E5, but the E5 label does not specify the octane rating. Check the RON number and your vehicle’s requirements, then compare the exact grade near you.
Compare premium petrol prices and the journey
Check ethanol compatibility and the required octane separately. E5 does not mean ethanol-free, and not every E5 product is 99 RON.
What the petrol pump labels mean
Swipe or scroll sideways to see every column on a small screen.
| Pump label | What it tells you |
|---|---|
| E5 | Petrol may contain up to 5% ethanol. |
| 97 or 99 RON | The octane rating; a separate measure from ethanol content. |
| Product name | The retailer’s named fuel; confirm the product at the station. |
Check the exact pump label and your vehicle’s fuel requirements before filling.
Current UK super unleaded E5 price range
Use these figures as the market check, then search by postcode or compare premium-petrol stops 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
Super unleaded E5 prices
Compare E5 prices separately from standard E10 petrol.
Other E5 and 99 RON
Other E5 and 99 RON are retailer-inferred search groups. They do not confirm the exact product at every station; check the pump label.
Useful for premium fuel users
Drivers who prefer super unleaded can compare premium fuel prices separately from standard E10.
Compare all E5 or choose a search group
Compare all Super unleaded E5 prices, or use Other E5 and 99 RON as separate groups.
Availability varies by site. Use the grade required by your vehicle.
Questions drivers ask
Does E5 mean 99 RON?
No. E5 means petrol can contain up to 5% ethanol. RON is the separate octane rating; check the product’s RON number and your vehicle’s requirement.
How can I compare super unleaded search groups?
Other E5 and 99 RON are retailer-inferred search groups. They do not confirm the exact product at every station; check the pump label.
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.