Here is a Google AI search of car age on Australias roads
Fleet Age Breakdown
National Fleet Average: 11.54 years
Passenger Vehicles Average: Roughly 11.2 to 11.4 years
Oldest State/Territory Fleet: Tasmania (average age of 13.5 years)
Youngest State/Territory Fleet: Australian Capital Territory (average age of 10.4 years) [1, 2]
Fleet Composition & Stats
Total Registered Vehicles: Over 22.3 million motor vehicles across Australia
New Vehicle Turnover: About 25% of vehicles are under 5 years old, while around 27% are older than 10 years.
No Road Salting Effect: Because Australia does not salt its roads in winter, vehicles suffer far less rust damage, allowing older cars to stay functional and look newer longer on Reddit. [1, 2, 3, 4]