AUCN Knowledge Hub

Trusted guides, tips, and insights for Australia's used car buyers and businesses.

Article Search

AUCN DATA

Risk and market data from AUCN's own checks

Finance owing, written-off rates, stolen records, odometer anomalies and value retention — all percentages, reviewed monthly.

Open AUCN Data →

Featured

·Data & Methodology

AUCN Data: Methodology, Definitions and Limitations

How AUCN calculates its data: definitions for each risk flag, the method behind the valuation figures, the limitations — and how to cite AUCN Data with confidence.

5 min read

·Data & Methodology

Editorial Standards: How AUCN Produces Its Guides and Data

How AUCN's guides and data articles are researched, written, reviewed and corrected — including how we handle data, sources, updates and mistakes.

4 min read

·Data & Methodology

The AUCN Risk Index: Australian Used Car Risk, Month by Month

The AUCN Risk Index tracks the share of checked vehicles carrying finance owing, written-off or stolen records. September 2026 reading: 97.2, down 2.6 points on August.

5 min read

All articles

· Data & Methodology

AUCN Data: Methodology, Definitions and Limitations

How AUCN calculates its data: definitions for each risk flag, the method behind the valuation figures, the limitations — and how to cite AUCN Data with confidence.

5 min read

· Data & Methodology

Editorial Standards: How AUCN Produces Its Guides and Data

How AUCN's guides and data articles are researched, written, reviewed and corrected — including how we handle data, sources, updates and mistakes.

4 min read

· Data & Methodology

The AUCN Risk Index: Australian Used Car Risk, Month by Month

The AUCN Risk Index tracks the share of checked vehicles carrying finance owing, written-off or stolen records. September 2026 reading: 97.2, down 2.6 points on August.

5 min read

· History & Risk

AUCN Data: About 1 in 24 Cars Shows an Odometer Anomaly

About 1 in 24 AUCN checks flags an odometer anomaly — with 8–11-year-old cars worst affected. See the patterns and how to verify a reading before you buy.

4 min read

· History & Risk

AUCN Data: Motorcycles Top the Stolen List by a Wide Margin

Motorcycles show stolen records about four times more often than cars in AUCN data, as national vehicle theft hits a 17-year high. See the rates and how to check.

4 min read

· History & Risk

AUCN Data: Nearly 1 in 4 Used Cars Carry a Hidden Risk Flag

Nearly one in four used cars carries at least one risk flag. See AUCN's breakdown by state, vehicle type and age — and what to check before you buy.

8 min read

AUCN Knowledge Hub

Featured

AUCN Data: Methodology, Definitions and Limitations

Editorial Standards: How AUCN Produces Its Guides and Data

The AUCN Risk Index: Australian Used Car Risk, Month by Month

Editor's picks

AUCN Data: About 1 in 24 Cars Shows an Odometer Anomaly

AUCN Data: Motorcycles Top the Stolen List by a Wide Margin

AUCN Data: Nearly 1 in 4 Used Cars Carry a Hidden Risk Flag

AUCN Data: Which Brands Are Most Likely to Still Have Finance Owing

All articles

AUCN Data: Methodology, Definitions and Limitations

Editorial Standards: How AUCN Produces Its Guides and Data

The AUCN Risk Index: Australian Used Car Risk, Month by Month

AUCN Data: About 1 in 24 Cars Shows an Odometer Anomaly

AUCN Data: Motorcycles Top the Stolen List by a Wide Margin

AUCN Data: Nearly 1 in 4 Used Cars Carry a Hidden Risk Flag