For generations, owning a car has been seen as a normal part of adult life. You buy a vehicle, keep it for several years, maintain it, insure it and eventually replace it with another one.
But that traditional model is changing.
Car sharing has become increasingly popular as people look for more flexible and affordable ways to get around. Instead of owning a vehicle and paying for it every day, car sharing allows people to access a car only when they need one.
This shift is particularly interesting in cities, where parking, fuel, insurance and vehicle maintenance can make car ownership expensive. It also raises an important question: if people can access a car without owning one, will they still want to own a car in the future?
What is car sharing?
Car sharing is a service that allows people to use vehicles for short periods without owning them.
Depending on the service, users may book a vehicle through an app or website and pay based on factors such as time, distance or the type of vehicle used.
Unlike traditional car rental, car sharing is often designed around shorter trips. Someone might use a shared car for an hour to run errands, attend an appointment or pick up something too large to carry on public transport.
There are several types of car sharing, including:
- Round-trip car sharing
- One-way car sharing
- Peer-to-peer car sharing
- Corporate car sharing
- Fleet-based car sharing
The basic idea is simple: access the vehicle when you need it rather than owning it all the time.
Why is car sharing becoming more popular?
Several factors are contributing to the growth of car sharing.
The cost of owning a vehicle is one of the biggest considerations. Buying the car is only the beginning. Owners also need to think about registration, insurance, fuel, servicing, tyres, repairs, depreciation and parking.
For someone who only drives occasionally, these costs can feel disproportionate to the amount of use they get from the vehicle.
Car sharing provides another option. Instead of paying ownership costs every day, users pay for access when they actually need a vehicle.
Changing attitudes towards mobility, improvements in smartphone technology and the growth of app-based services have also made car sharing easier to use.
Is car sharing cheaper than owning a car?
It can be, particularly for people who drive relatively few kilometres.
A car owner pays many costs regardless of how often the vehicle is driven. Registration, insurance, depreciation and maintenance do not disappear simply because the car stays parked for most of the week.
A car-sharing user generally pays when they use the vehicle.
For example, someone who only needs a car once or twice a month may find that paying for occasional trips is cheaper than owning a vehicle year-round.
However, car sharing is not automatically cheaper for everyone. If you regularly drive long distances or need a vehicle every day, the cost of repeated bookings can eventually exceed the cost of ownership.
The right choice depends on your driving habits.
What are the main costs of owning a car?
Car ownership involves more expenses than the purchase price.
Common costs include:
- Vehicle repayments
- Registration
- Insurance
- Fuel
- Servicing
- Repairs
- Tyres
- Parking
- Depreciation
- Roadside assistance
Some costs are predictable, while others appear unexpectedly.
A major mechanical repair, for example, can significantly increase the cost of keeping an older vehicle.
This is one reason car sharing can be attractive to people who want more predictable transport expenses.
How does car sharing affect traditional car ownership?
Car sharing challenges the idea that every household needs multiple vehicles.
A family that once needed two cars might discover that one privately owned vehicle plus occasional shared-car use is enough.
Similarly, someone living close to public transport may decide they do not need a car for everyday travel but can use a shared vehicle when public transport is inconvenient.
This does not mean car ownership is disappearing. Instead, the market is becoming more flexible.
People now have more choices between owning a vehicle, renting one occasionally, using car sharing or combining several transport options.
Is car sharing popular in Australian cities?
Car sharing is particularly suited to densely populated urban areas where parking can be expensive and public transport is readily available.
Australian cities such as Sydney, Melbourne and Brisbane have large populations of people who may not need a private vehicle for every trip.
For these drivers, car sharing can fill the gap between public transport and private ownership.
However, the usefulness of car sharing depends heavily on location. Someone living in a central suburb with easy access to shared vehicles may have a very different experience from someone living in a regional or outer suburban area.
Availability is therefore an important part of the decision.
Does car sharing reduce the number of cars on the road?
Potentially, but the impact depends on how people use the service.
One shared vehicle can potentially serve multiple users instead of each person owning a separate vehicle.
If households use car sharing to replace a second or third private vehicle, there can be benefits in terms of vehicle utilisation and parking demand.
However, the overall effect is more complicated if car sharing encourages people who previously relied on public transport, walking or cycling to start using cars more frequently.
So, car sharing does not automatically reduce congestion or emissions in every situation.
Its impact depends on what types of trips it replaces.
Can car sharing reduce parking problems?
It has the potential to.
Private vehicles spend a large amount of time parked rather than moving. A vehicle owned by one person may sit at home during the day and at work during the evening, while another household’s car does something similar nearby.
Shared vehicles can potentially be used by multiple people throughout the day.
That means fewer vehicles may be needed to provide the same amount of transport access.
In busy urban areas, reducing the number of privately owned vehicles could help reduce pressure on parking spaces.
What are the environmental benefits of car sharing?
Car sharing can provide environmental benefits when it reduces private vehicle ownership or replaces unnecessary car trips.
Fewer vehicles may mean fewer resources are required to manufacture and maintain them over time.
Shared vehicles may also be used more frequently than privately owned cars, which spend much of their lives parked.
However, the environmental impact depends on the vehicles being used and the journeys they replace.
A shared electric vehicle used instead of several privately owned petrol cars could have a very different environmental impact from a shared petrol vehicle used for trips that would otherwise have been made by walking or public transport.
The broader transport system matters.
Does car sharing encourage people to drive less?
It can.
When you own a car, there is often little additional cost associated with taking another short trip once the fixed costs have already been paid.
Car sharing makes the cost of each journey more visible because users typically pay according to their usage.
This can encourage people to think about whether they really need to drive.
Someone might choose public transport for a simple commute but book a shared car for a trip that genuinely requires one.
In this way, car sharing can complement other forms of transport rather than replacing them completely.
What are the disadvantages of car sharing?
Car sharing is not perfect.
One major issue is availability. You may need a vehicle at a particular time and find that the nearest suitable car has already been booked.
There can also be restrictions around where vehicles can be collected, driven or returned.
Other potential disadvantages include:
- Booking fees
- Time-based charges
- Distance charges
- Limited vehicle choice
- Availability during busy periods
- Cleaning or usage rules
- Less personal control over the vehicle
For someone who needs a car every day, these limitations can make traditional ownership more practical.
Is car sharing practical for families?
It depends on the family’s routine.
A family with children may need a vehicle for school runs, shopping, sports and weekend activities. In that situation, having a car available at all times can be extremely convenient.
On the other hand, a family that already has one vehicle may use car sharing occasionally when a second car is needed.
For example, one parent could use the family car while the other books a shared vehicle for a one-off appointment.
This can potentially avoid the cost of purchasing and maintaining a second car that sits unused most of the time.
What impact could car sharing have on the used car market?
If car sharing becomes more widespread, it could influence how people buy and sell vehicles.
Reduced demand for second cars could affect certain parts of the used-car market, particularly in urban areas.
At the same time, shared fleets create demand for vehicles that are reliable, economical and suitable for frequent use.
The effect is unlikely to be the same across every vehicle category.
People who need a vehicle for work, family travel, towing, long-distance driving or remote-area travel may continue to prefer private ownership.
Car sharing is therefore more likely to change some parts of the market rather than replace private ownership altogether.
Will car sharing make people stop owning cars?
Probably not completely.
Car ownership provides something car sharing cannot always offer: immediate personal access.
If you own your vehicle, you do not need to check whether one is available. You can leave personal belongings inside, choose how it is maintained and use it whenever you want.
This is particularly valuable for people living outside major cities, families with demanding schedules and drivers who regularly travel long distances.
Instead of replacing ownership entirely, car sharing may encourage people to own fewer vehicles.
Could car sharing change how people think about cars?
Absolutely.
For previous generations, owning a car was often associated with independence and adulthood.
You bought a car because having access to transport meant freedom.
Younger drivers may increasingly see mobility differently. They may care less about owning a particular vehicle and more about being able to get where they need to go.
This represents a broader shift from ownership to access.
The same idea can be seen in other areas of the economy, where consumers increasingly subscribe, rent or share products rather than purchasing everything outright.
What happens to cars that are used in sharing fleets?
Shared vehicles generally experience much higher utilisation than privately owned cars.
That means maintenance and servicing become especially important.
Fleet operators need to keep vehicles safe, reliable and available for users. Regular inspections, servicing, cleaning and repairs are essential.
Because these vehicles may be driven by many different people, wear and tear can also be higher.
At the end of their useful fleet life, these vehicles eventually enter the used-car market or another disposal channel, depending on their condition and the operator’s policies.
Is car sharing the future of transportation?
Car sharing is likely to be one part of the future rather than the entire future.
Transportation is becoming increasingly diverse. People may combine private cars, car sharing, public transport, rideshare services, bicycles, walking and other forms of mobility depending on the journey.
Technology is making these options easier to access and combine.
The result could be a transport system where owning a car is no longer the only practical way to have access to one.
For some people, that may mean giving up car ownership completely. For others, it may simply mean owning one car instead of two or three.
Who benefits most from car sharing?
Car sharing can be particularly useful for people who:
- Drive only occasionally
- Live close to public transport
- Live in areas with convenient shared-car availability
- Want to avoid the fixed costs of ownership
- Need a second vehicle occasionally
- Do not have access to private parking
- Prefer flexible transport options
It may be less suitable for people who commute long distances every day, regularly carry large loads, travel to areas without shared vehicles or need constant access to a car.
What does the future of car ownership look like?
Car ownership is unlikely to disappear, but the reasons people own cars may change.
Some drivers will continue to value performance, comfort, personalisation and the freedom of having their own vehicle.
Others may decide that paying for a vehicle that sits unused most of the week makes little financial sense.
Car sharing gives those drivers another option.
As cities grow, technology improves and transport choices expand, the automotive world may gradually move from a model where everyone needs their own car towards one where people choose the combination of transport that best fits their lifestyle.
The rise of car sharing does not mean the end of car ownership. Cars will remain essential for many Australians, particularly those living in areas where public transport and shared vehicles are limited. But car sharing is changing the conversation around what it means to have access to a vehicle. For some drivers, owning a car will remain the obvious choice. For others, using a car only when needed could provide a simpler and more flexible alternative. Ultimately, the future of mobility may not be about choosing between ownership and sharing, but finding the right balance between the two.
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201-207 Little Collins St, Melbourne VIC 3000