Valuation methodology

We collect public TradeMe Motors listings daily, including make/model/year/odometer, region, seller type, price and every price change until the listing ends.

Listings are segmented into comparable pools (make × model family × seller type) so estimates come from genuinely similar cars, not a one-size market average.

Each listing's value is estimated from its segment's price curves, adjusted for odometer and age, then adjusted for brand/model-family reputation derived from long-run resale data.

Every estimate is published with its comp count and a confidence figure. Low-confidence estimates are never promoted as deals.

Deal score = (estimated value − asking price) / estimated value. The recommendation score additionally weights confidence, AI-reviewed condition and reputation; cars with serious or fatal AI flags are capped regardless of price.

We cannot see undisclosed damage, service history or odometer fraud. Estimates are a screening tool to decide which cars are worth inspecting — never a substitute for inspection.