Fuel guides

Plain-English guides to paying less for fuel in Australia: price cycles, E10, premium, diesel and more.

• How fuel price cycles work (and how to beat them)
  Why petrol prices in Sydney, Melbourne, Brisbane, Adelaide and Perth jump and then slowly fall, and how to fill up near the bottom of the cycle.
• E10 vs Unleaded 91: which is cheaper to run?
  Is E10 worth it? How ethanol affects fuel use, which cars can use E10, and how big the price gap needs to be to save money.
• Is premium fuel worth it? 91 vs 95 vs 98
  What octane numbers mean, which cars need premium unleaded, and when 95 or 98 is just a waste of money.
• What's the cheapest day to buy fuel in Australia?
  Is there a cheapest day of the week to fill up? It depends on your city's price cycle: here's how to tell when to buy.
• 12 ways to save money on fuel in Australia
  Simple ways to spend less on petrol and diesel: compare prices, time your fill-ups, drive smarter and skip fuel you don't need.
• Diesel vs premium diesel: is it worth paying more?
  What's different about premium diesel, whether your car or truck benefits, and how much more it costs right now.