E5 describes ethanol content
E5 describes ethanol content, while RON describes octane rating.
Compare 97 RON brands and other E5 prices near you.
Search E5 petrol prices outside our retailer-inferred 99 RON group. This includes 97 RON brands and other E5 listings; it does not confirm an exact octane rating at every pump. Check the station product and your vehicle’s fuel requirement before filling.
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Search Other E5 prices near you
Other E5 excludes the 99 RON group. All Super unleaded E5 includes both. Compare premium diesel separately.
Price checks run every 5 minutes using Government and retailer updates.
Compare Other E5 and 99 RON separately
Availability varies by site. Use the grade required by your vehicle.
Choose a premium petrol group
Other E5 includes 97 RON brands and other E5 prices outside our 99 RON group. Choose Super unleaded E5 to compare both.
Vehicle guidance wins
Use the minimum grade specified in the owner's manual or by the vehicle manufacturer.
Clear answers before you travel
Use the time the price last changed, fuel grade and extra driving together.
Is RON 97+ always E5?
E5 describes ethanol content, while RON 97+ describes octane rating. Availability varies by site.
What is the difference between RON 97 and RON 99?
RON 99 has a higher octane rating. Whether that benefits a vehicle depends on its engine design, calibration and manufacturer guidance.
Can I search for RON 99 separately?
Yes. Route & Fuel keeps RON 99 searches separate from wider super unleaded results. Availability varies by site.
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About these prices
Route & Fuel keeps national averages separate from individual station prices. These latest UK fuel prices were last refreshed on 13 October 2026; typical ranges show where most prices sit instead of treating one unusually low price as a guaranteed bargain.