The cheapest unleaded petrol in Australia is in regional Queensland, and the cheapest diesel is available in Western Australia.
In the Australian Capital Territory (ACT), the cheapest unleaded petrol is priced at 197.9 cents per litre, while the cheapest diesel is priced at 196.9 cents per litre.
In New South Wales (NSW), the cheapest unleaded petrol is priced at 182.9 cents per litre, and the cheapest diesel is priced at 185.5 cents per litre.
In the Northern Territory, the cheapest unleaded petrol is priced at 188.5 cents per litre, and the cheapest diesel is priced at 168.9 cents per litre.
In Queensland, the cheapest unleaded petrol is priced at 176.5 cents per litre, and the cheapest diesel is priced at 185.9 cents per litre.
In South Australia, the cheapest unleaded petrol is priced at 188.9 cents per litre, and the cheapest diesel is priced at 188.9 cents per litre.
In Tasmania, the cheapest unleaded petrol is priced at 193.5 cents per litre, and the cheapest diesel is priced at 195.7 cents per litre.
In Victoria, the cheapest unleaded petrol is priced at 183.5 cents per litre, and the cheapest diesel is priced at 183.9 cents per litre.
In Western Australia, the cheapest unleaded petrol is priced at 177.9 cents per litre, and the cheapest diesel is priced at 182.9 cents per litre.