Buying guide

How to Avoid Buying a Lemon

Last updated 4 November 2026

A lemon is a used car with a serious problem the buyer can't see: a repaired write-off, a wound-back odometer, flood damage, money owing, or a fault that keeps coming back. To avoid one, learn the model's commonly reported problems, run a PPSR check, inspect the car cold and in daylight, test drive it, and walk away from red flags. Australia has no lemon law, so your checks before you pay are your protection, especially in a private sale.

What Counts as a Lemon

Most lemons fall into a few kinds, and each has a check that catches it, or at least makes it much harder to hide.

Lemon	What it is	How to catch it
Repaired write-off	An insurer judged it a total loss, and it was repaired and re-registered. A statutory write-off can never be registered again.	A PPSR search shows write-off records. See buying a repaired write-off.
Wound-back odometer	The kilometres shown are lower than the car has really done.	Compare the odometer with the service records and the wear. See high kms or a wound-back odometer.
Flood damage	Water and silt got inside, and the damage to wiring and electronics often shows months later. Not every flooded car is written off.	Smell for damp, look under the carpets and test every electrical feature. See how to spot a flood-damaged car.
Money owing	A lender has security over the car, and can repossess it from you if the seller doesn't pay.	A PPSR search shows it. See what a PPSR check covers.
Stolen	The seller doesn't own the car, so you can lose it and the money you paid.	A PPSR search shows cars reported stolen. Check the VIN on the car matches the papers.
Hidden accident damage	A crash repair that was never claimed on insurance, so no record of it exists.	Look for paint that doesn't match, uneven panel gaps and overspray on rubber seals and trim.
Recurring mechanical fault	A problem the seller knows about and has patched, or a fault commonly reported on the model.	Learn the model's reported problems, start the car cold and test drive it.

Learn the Model's Common Problems First

Some models have problems that owners and reviewers report again and again, and knowing them tells you where to look hardest and which questions to ask. Look up the cars on your shortlist in the inspection checklists by model, and ask the seller whether the work for those problems has been done, with receipts.

Red Flags in the Listing and the Seller

Most lemons can be ruled out before you travel. For the full list of questions to ask, see tips for buying a used car.

Red flag	Why it matters
A price well below similar cars	There's usually a reason, and a scam often starts with one.
Won't give you the VIN or rego number	Without them you can't run a PPSR check, which may be the point.
Wants a deposit before you've seen the car	A common scam, and hard to get back.
The engine is already warm when you arrive	A warm engine hides cold-start problems such as smoke, rattles and hard starting.
Won't meet at the address on the registration papers	You need to know the seller owns the car and where to find them.
No service history, or a vague one	You can't tell how it's been looked after, or check the kilometres.
Owned only a short time	The last owner may have found a problem and moved it on.
Won't let you look the car over properly	An honest seller has nothing to hide.

Run the Checks Before You Pay

Run a PPSR search on the VIN on ppsr.gov.au for money owing, write-offs and theft, check the registration in your state, and look up open recalls on the vehicle recalls site. Then run the PPSR search again on the day you pay, as finance can be added after your first check. See vehicle checks before buying.

Inspect It Cold and in Daylight

See the car in daylight and dry weather, with the engine cold, and work through a used car inspection checklist. The signs that most often give a lemon away are warning lights on the dash, smoke or a rattle on a cold start, paint or panel gaps that don't match, damp or musty carpet, and wear on the steering wheel, pedals and seat that's heavier than the kilometres suggest.

Test Drive It Properly

Test drive it for at least 20 minutes and on a mix of roads, listening for noises and feeling how it changes gear and brakes.

When to Walk Away

Walk away if the PPSR search shows money owing that the seller can't clear before you pay, a write-off you weren't told about, or a theft record; if the VIN on the car doesn't match the papers; if the seller's ID doesn't match the registration; if the kilometres don't match the records; or if the seller won't let you inspect the car. There will be other cars.

Is There a Lemon Law in Australia?

No law is called that. From a licensed dealer, the Australian Consumer Law guarantees apply to every used car, whatever its age or price: it must be of acceptable quality for its age, kilometres and price, and match its description (ACCC). Most cars under 10 years old also come with a short statutory warranty, set by each state. See buying from a dealer.

A private sale has neither the guarantees nor a statutory warranty, and there's no cooling-off period: the car is sold as it is (NSW Fair Trading). See buying from a private seller.

Shufti, the used car inspection app, takes you through the checks, the inspection and the test drive for the car you're looking at, from its listing link.

Questions Answered

What is a lemon car?

A lemon is a car with a serious problem the buyer couldn't see when they bought it, such as a repaired write-off, a wound-back odometer, flood damage, money owing, or a mechanical fault that keeps coming back.

Is there a lemon law in Australia?

No. Cars bought from a dealer are covered by the Australian Consumer Law guarantees, and most also by a state's statutory warranty, but a private sale has no such protection (ACCC).

Can I return a used car I bought privately?

Usually not. A private sale isn't covered by the Australian Consumer Law guarantees or a statutory warranty, and there's no cooling-off period (NSW Fair Trading). If the seller lied about the car, contact your state's fair trading or consumer affairs office.

How can I tell if a used car has been written off or flooded?

Run a PPSR search on its VIN, which shows write-off records. Flooded cars aren't always written off, so also smell for damp and look under the carpets for silt and rust. See spotting a flood-damaged car.

What are the signs of a lemon car?

Warning lights on the dash, smoke or a rattle on a cold start, paint or panel gaps that don't match, damp or musty carpet, wear that's heavier than the kilometres suggest, and a seller who won't give you the VIN or let you see the car cold. Work through a used car inspection checklist to check for them.

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