Buying a car at auction in Australia: what you need to know

Types of car auctions in Australia

Car auctions in Australia fall into several categories, each with different rules and levels of buyer protection:

• Dealer and trade auctions — run by companies like Manheim (now Cox Automotive) and Pickles. These were traditionally trade-only, but many now allow public buyers. Vehicles come from fleet disposals, trade-ins, insurance write-offs, and repossessions. Volumes are high and turnover is fast.
• Government and fleet auctions — state and federal government departments sell ex-fleet vehicles through auction. These are often well-maintained (regular servicing, low modification) but sold strictly “as is” with no warranty.
• Insurance and salvage auctions — vehicles written off by insurers are sold through salvage auctions (e.g. Pickles Salvage, Manheim Damaged & Salvage). These can include both repairable and statutory write-offs. Buyers must understand the write-off category and re-registration rules before bidding — see our guide on how to check if a car has been written off.
• Online auctions — platforms like GraysOnline, Pickles online, and Lloyds Auctions run timed online auctions. These allow you to bid remotely but make physical inspection more difficult. Some provide condition reports and photos, but these are no substitute for seeing the vehicle in person.

Consumer protections — what you do and do not get

The most critical thing to understand about buying at auction is that consumer protections are significantly reduced compared to buying from a dealer:

• No statutory warranty — most auction sales are explicitly “as is, where is.” State-based statutory warranty rules that apply to dealer sales generally do not apply to auction purchases.
• Limited ACL guarantees — the Australian Consumer Law guarantees (acceptable quality, fit for purpose) may apply if the auction house is acting as a dealer, but most auction houses act as agents for the seller and explicitly disclaim warranties in their terms and conditions.
• Misleading conduct still applies — regardless of the “as is” terms, the auction house and seller cannot engage in misleading or deceptive conduct. If the odometer has been wound back or the vehicle has been deliberately misrepresented, you may have a claim under the ACL.

For a full explanation of your consumer rights, see our guide on consumer law and used cars.

Pre-auction due diligence

Because your protections are limited after the hammer falls, all meaningful due diligence must happen before you bid. Here is what to do:

• Run a vehicle history check — a RegoVerify report will reveal write-off status, PPSR finance registrations, stolen vehicle flags, registration details, and safety recalls. This is information you cannot obtain from a visual inspection alone.
• Attend the viewing — arrive early during the pre-auction viewing period. Inspect the exterior for signs of accident repair (mismatched paint, uneven panel gaps, overspray in door jams). Check the interior for wear patterns that do not match the stated odometer reading. Start the engine and listen for unusual noises.
• Bring a mechanic if possible — some auction houses allow you to bring a qualified mechanic to the viewing. Even if a full inspection is not possible, a mechanic can spot red flags in minutes that a non-expert would miss.
• Research market value — know what the vehicle is worth before the auction starts. Check listings on Carsales, Facebook Marketplace, and dealer sites for comparable vehicles. Use this to set your maximum bid and avoid getting caught up in bidding fever.

For a comprehensive inspection process, see our used car buying checklist.

Understanding the true cost of buying at auction

The hammer price is not the total cost. Factor in these additional charges when calculating your maximum bid:

• Buyer’s premium — typically 5% to 10% of the hammer price, plus GST. This is charged by the auction house and is non-negotiable. On a $15,000 car with a 7.5% premium plus GST, that adds $1,237.50 to your total.
• GST on the vehicle — if the vehicle is being sold by a GST-registered business (most fleet and trade vehicles), GST will apply to the hammer price. Check the auction catalogue to confirm whether prices are inclusive or exclusive of GST.
• Stamp duty and transfer fees — you will need to pay stamp duty and registration transfer fees to your state or territory transport authority. Rates vary by state and vehicle value.
• Transport costs — if you are bidding at an interstate auction or the vehicle is not driveable, you will need to arrange and pay for transport. This can range from $300 for a local tow to $2,000+ for interstate car carrying.
• Potential repair costs — because auction vehicles are sold without warranty, budget for unexpected repairs. Mechanical issues, worn tyres, and deferred maintenance are common on ex-fleet and repossessed vehicles.

Bidding strategy and common mistakes

Auctions are designed to create urgency. A few principles will help you stay disciplined:

• Set a hard maximum — decide your maximum bid before the auction and do not exceed it. Bidding fever is real. The excitement of the room (or countdown timer online) leads buyers to pay more than they planned. Write down your number and stop when you reach it.
• Attend as an observer first — if you have never been to an auction, attend one without the intention of buying. Observe how the bidding works, how fast lots move, and the tactics experienced bidders use. This will help you feel more confident when you bid for real.
• Bid confidently and clearly — hesitant bidding can encourage other bidders. Make clear, decisive bids. If you have reached your limit, stop. There will always be another vehicle at the next auction.
• Beware of reserve prices — many auction vehicles have a reserve price (a minimum the seller will accept). If the bidding does not reach the reserve, the vehicle is “passed in.” You may be able to negotiate with the seller after the auction, often at a lower price than you would have bid.

Why a vehicle history check before auction is essential

At auction, you have limited time for inspection and no ability to return the vehicle after the sale. A vehicle history check compensates for what you cannot see:

• Write-off status — a visual inspection cannot reliably detect a repaired write-off, especially on vehicles that have been professionally repaired. A history check reveals whether the vehicle has been declared a statutory or repairable write-off in any state.
• Finance owing — repossessed vehicles are common at auction. While the repossessing lender should have cleared the PPSR registration, errors happen. A PPSR check confirms whether any security interests remain active.
• Stolen vehicle flag — vehicles reported stolen can end up at auction through various channels. A stolen vehicle check protects you from unknowingly buying property that will be recovered by police.
• Safety recalls — outstanding recalls can mean unexpected repair obligations after purchase. Knowing about them in advance helps you factor the cost (or avoid the vehicle entirely).

Most auction catalogues list the registration number and VIN. Use these details to run a RegoVerify check before auction day. It takes minutes and could save you thousands. For a full list of warning signs to look for, see our guide on used car red flags.