Premium vs Regular Fuel in Australia: When Premium Actually Pays
Decide between U91, P95, and P98 using manufacturer requirements and realistic cost outcomes.
By Mia Thompson, Lead Fuel Data AnalystPremium vs Regular Fuel in Australia
The right fuel is the one your engine is designed for. Paying extra for premium without a clear requirement can increase monthly spend with little real-world gain.
Use Premium If
- Your owner manual lists premium as required.
- Your engine experiences knock on lower octane.
- Your vehicle is tuned for higher-octane operation.
Use Regular If
- Manufacturer guidance allows standard unleaded.
- You do mostly city driving at moderate loads.
- Your cost-per-kilometer is better on regular fuel.
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