Websites like MotorMouth and Petrol Spy allow you to quickly compare the latest fuel prices across Sydney. Simply enter your suburb or postcode, and you'll see a list of the cheapest service stations near you. These sites are updated regularly, so you know you're getting the most current information.

Many major Australian fuel retailers offer discounts or rewards programs to help customers save money. For example, Woolworths and Coles both have shopper docket schemes that can knock a few cents off per litre. Costco members also enjoy discounted petrol at their service stations. Be sure to check what deals are available in your area.

Petrol prices in Sydney can fluctuate throughout the week, so it pays to be strategic about when you fill up. Generally, prices tend to be lower on weekdays compared to weekends. Tuesday and Wednesday are often the cheapest days, while Friday through Sunday are when prices climb. Keeping an eye on the trends in your local area can help you save.

Driving a car with good fuel efficiency is one of the best ways to save money on petrol in the long run. Compact, hybrid, and electric vehicles typically use less fuel per kilometre than larger, thirstier models. While the upfront cost may be higher, the ongoing fuel savings can really add up, especially in a city like Sydney with heavy traffic.