Free South Australia Odometer Disclosure Bill of Sale
South Australia asks no roadworthy certificate of a private seller, which leaves the odometer disclosure carrying more weight than the receipt it accompanies. But SA adds a wrinkle worth knowing: Revenue SA assesses stamp duty on market value, and mileage is one of the most powerful drivers of a car's market value. A wound-back odometer therefore does not just mislead the buyer — it distorts the number the state is entitled to tax. Two problems, one lie.
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South Australia Odometer Disclosure Bill of Sale — What You Need to Know
Stamp Duty / Tax Details
Because Revenue SA assesses duty at $4 per $100 of Redbook-benchmarked market value, the odometer matters: mileage is a chief input to that value, and a truthful reading keeps the valuation defensible.
Inspection / Roadworthy Requirements
No SA inspection regime means no third party reads the odometer before sale — the signed disclosure carries the entire evidentiary weight, so record the exact figure.
Registration
Registration for this vehicle type is handled by Service SA — separate from the transfer agency.
South Australia Odometer Disclosure Sale — Step-by-Step Checklist
- Record the exact kilometre reading at handover, with the date.
- Certify in writing that the odometer has not been wound back, altered, or replaced.
- Understand the second consequence: mileage drives market value, and Revenue SA assesses duty at $4 per $100 of market value.
- Disclose any cluster replacement or failure, with the true accumulated distance.
- Enter the VIN beside the reading.
- With no roadworthy required, hand over the service logbook — it is the buyer's only mileage history.
- Both parties sign and date it on the day of the sale.
Common Pitfalls
- Assuming an inflated or deflated reading only affects the buyer — market value drives stamp duty, so the state has an interest too.
- Selling with no service records in a state that mandates no inspection.
- Rounding the odometer figure.
- Staying silent about a replaced cluster.
Pro Tip
In SA a false odometer reading misleads the buyer and distorts the duty. Write the real number, hand over the logbook, and both problems disappear.