Sydney's top 10 cheapest petrol stations for E10 fuel, on average over the past six months NameAddressSuburbPostcodeAveragePrice Liberty Girraween 38A Gilba Rd Girraween 2145 156.2 BP Bankstown 126 Chapel Rd Bankstown 2200 162.7 Powerfuel 101 Blaxcell St, Granville 2142 165 Costco Casula (...