Comprehensive vs Third-Party Car Insurance: Which One Do You Need?
The answer depends on your car's value, your financial situation, and how much risk you're comfortable with.
General information only — not personal advice. Liam is not a licensed financial adviser. About the author
Australian car insurance comes in three main levels. Knowing the difference can save you hundreds — or protect you from a $50,000 bill.
| Cover type | Your car damaged | Other car/property damaged | Theft | Fire |
|---|---|---|---|---|
| Comprehensive | ✓ | ✓ | ✓ | ✓ |
| Third Party, Fire & Theft | ✗ | ✓ | ✓ | ✓ |
| Third Party Only | ✗ | ✓ | ✗ | ✗ |
Third Party Only
The minimum level most people should have. Covers damage you cause to other people's vehicles or property — but nothing for your own car. Typically $20–$40/month.
Best for: older cars worth under $5,000 where the premium + excess would exceed the car's value if you needed to claim.
Third Party, Fire & Theft (TPFT)
Adds theft cover and fire damage to your car on top of third-party liability. A sensible middle ground for newer cars that are at theft risk but where full comprehensive feels expensive.
Comprehensive
The broadest cover — damages to your car from any cause (accidents, hail, floods, animals), plus liability. It costs more but provides complete protection.
Best for: new or valuable cars, financed vehicles (lenders often require it), or anyone who couldn't afford to replace their car out of pocket.
The break-even calculation
As a rough guide: if your car is worth less than $5,000–$8,000, the extra cost of comprehensive over TPFT may not be worth it — especially once you factor in the excess you'd have to pay anyway on a claim.
If your car is worth $15,000+, comprehensive is almost always the right answer.
Watch out for this
Some comprehensive policies have 'market value' clauses — meaning you're paid what the car was worth at time of claim, not what you paid for it. 'Agreed value' policies fix a payout amount upfront and offer more certainty.
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