Australia’s Most Fuel-Efficient Petrol Cars in 2025 | Best Mileage Picks
Fuel efficiency is no longer just a nice bonus—it’s a top priority for Australian drivers in 2025. With petrol prices remaining unpredictable and more people focused on reducing their environmental footprint, efficient petrol-powered cars continue to play a big role in the automotive market.
While electric vehicles grab much of the attention, petrol cars are far from outdated. In fact, some of the newest models offer outstanding mileage thanks to advanced engine technology and smarter designs. If you’re considering your next car purchase, understanding which petrol cars deliver the best efficiency is a must.
Why Fuel Efficiency Still Matters in 2025
Even with EV growth in Australia, there are clear reasons why fuel-efficient petrol cars remain relevant:
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Lower running costs – High fuel efficiency means more savings at the pump.
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Convenience – Unlike EVs, petrol cars don’t require charging stations.
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Accessibility – Petrol models are widely available and often cheaper upfront compared to EVs.
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Proven reliability – Long-standing engineering improvements keep them dependable for both city and regional driving.
Top Fuel-Efficient Petrol Cars to Watch in 2025
Australia’s car market in 2025 features several standouts that combine performance with lower consumption. Leading manufacturers like Toyota, Mazda, Hyundai, and Honda have refined their engines to strike the perfect balance between power and economy.
Key categories include:
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Compact Hatchbacks – Ideal for city commuting, often offering the best mileage.
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Small SUVs – A growing segment balancing practicality with efficiency.
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Sedans – Still a strong choice for families wanting space and great fuel savings.
For a detailed list of specific models and their real-world efficiency numbers, you can read the full breakdown on CarScoop.
The Technology Driving Better Efficiency
What makes today’s petrol cars so much more efficient than older models? Manufacturers are investing in:
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Turbocharged engines that deliver more power from smaller engines.
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Cylinder deactivation that reduces fuel use at cruising speeds.
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Start-stop systems that automatically turn the engine off in traffic.
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Lightweight materials that make cars easier to drive and cheaper to run.
These innovations ensure that petrol cars remain competitive even against hybrids and electric vehicles.
Petrol Cars vs. Hybrids and EVs
For many Australians, fuel-efficient petrol cars remain the most practical option. Hybrids and EVs offer great eco benefits, but they often come with higher purchase prices and require access to charging networks. Petrol cars, on the other hand, provide instant refueling convenience and are still very cost-effective for drivers who travel long distances or live outside major cities.
Conclusion
As Australia continues its transition toward greener mobility, fuel-efficient petrol cars stand out as a practical, affordable, and reliable choice. They’re proof that drivers don’t have to compromise between performance and savings at the pump.
To see the full list of Australia’s most fuel-efficient petrol cars in 2025, check out the complete guide on CarScoop.

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