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Petrol vs Diesel

Jul 13, 2018 | Insights

Weigh up the pros and cons of the two car types, and you’ll get the car that is right for you!

Recently, petrol and diesel prices have waged a war with fluctuation between the two changing constantly. Once upon a time, unleaded petrol would be your cheapest option, but diesel has slowly taken the crown in many cities. With E10 now a viable option, drivers are often faced with a dilemma when they pull up to the bowser. However, the hardest choice you will face when it comes to petrol or diesel is when you are on the hunt for a new car. Purchasing a vehicle that is compatible with one of the fuel options is tricky when there are so many models out there. So, we decided to weigh up the pros and cons of both, then it’s up to you to decide on the vehicle – after all that is the hard part!



  • Availability – although most fuel types are readily available, when it comes to the number of bowsers offering one type, petrol almost always outnumbers the others. For convenience reasons, petrol could be the way to go.
  • Quieter engine – petrol vehicle are a lot more humble when it comes to boasting their power. They make little noise, but still have the power to speed up on cue.
  • Cheaper to buy – when it comes to purchase price, petrol vehicles tend to be a couple thousand cheaper than diesel cars. Therefore, you’ll be offsetting the initial cost and looking for a smaller amount of finance.


  • Lower fuel efficiency – if you’re burning the same amount of rubber as a diesel counterpart, the petrol vehicle will likely need to fuel up sooner. And with a higher cost of petrol currently, it adds to the overall running cost.
  • Resale value – studies have shown that petrol versions of vehicle have a lower resale value than diesel, meaning you get a lower price when it comes time to sell and upgrade to a new vehicle.




  • Fuel efficient – diesels are about a third more fuel efficient than petrol vehicles, meaning you’ll be pulling up to the fuel station less often. A petrol vehicle should take you about 700 kilometres whereas diesel likely to go more than 1000 kilometres on the same volume of fuel.
  • Recent upgrades – about a decade ago, diesel vehicles were notorious for pollution and noisy engine rumbles. Now, they boast electronic injection control, hi-tech piezo-electric injectors, and turbocharging. This all makes for precise fuel control, making it a plus in our books.
  • Hill power – in a petrol vehicle, driving up hills can be a slow and challenging process. Your revs will climb, but your speed will certainly slow down as you need more torque to get to the top. Diesel, however, just need a little more acceleration and the torque increases to the maximum available as you’re already at the right revs.


  • Upfront cost – diesel vehicles are more expensive when it comes to purchase price. The extra components in a diesel engine are the main factor for the increased cost, which are features that petrol engines lack.
  • Servicing costs – servicing a diesel is more expensive than a petrol vehicle. Always has been, and probably will continue to be for quite some time.

It’s ultimately your choice which fuel type you choose, but don’t forget that if it’s fuel price that is scaring you, petrol and diesel prices are bound to swap positions for many years to come. Also taking full advantage of supermarket promotions and rewards cards at participating stores in your area and will save you more at the fuel station! Pinch your penny’s as well as you can – it will be worth it!


The information contained in this blog is accurate only at the date of publication. 

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