Decode any 17-character vehicle identification number (VIN) for free. Returns make, model, year, body class, fuel type, engine displacement, transmission style, drive type, plant country, and more. Useful for buyers checking a used car, workshops decoding new customer vehicles in 30 seconds instead of typing, insurance assessors verifying a claim, and parts sellers confirming compatibility. Data sourced from the NHTSA vPIC database — the same source major US and global insurers use. Some Japanese-domestic and European grey imports may have partial decoding (chassis-only VINs vs full 17-character VINs).
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Every road-legal vehicle supplied to the Australian market since 1 January 1989 carries a unique 17-character vehicle identification number (VIN), as required by Australian Design Rule (ADR) 61. The VIN is stamped on the driver-side windscreen corner, on a sticker inside the driver-door jamb, on the engine bay firewall, and printed on the vehicle's registration documents. It encodes the manufacturer, plant country, model year, and a stack of build characteristics.
The first three characters are the World Manufacturer Identifier (WMI) — they identify the manufacturer and country of build. Characters 4-8 are the Vehicle Descriptor Section (VDS)covering body type, engine, restraint systems, and trim. Character 9 is the check digit — a calculated value that lets you detect a single-character typo. Character 10 is the model year(using a defined letter/digit code). Character 11 is the assembly plant. Characters 12-17 are the vehicle serial number assigned sequentially.
Year, make, model, series, trim, body type, fuel type, engine displacement, cylinder count, transmission style and speeds, drive type, manufacturer, plant country, and (where the manufacturer submitted them) gross vehicle weight rating and door count. Empty fields are hidden — you only see what the database actually has.
The free public version on this page is fine for one-off lookups. For workshops doing dozens of new-customer intakes a week, the time saved by an integrated VIN scanner is real — about 30 seconds per intake vs typing make/model/year manually, plus a reduction in mistyped-VIN errors that cause wrong-model service quotes. OneBookPlus ships a free VIN Decoder app for paying tenants that does this with a phone-camera barcode scanner and auto-fills the customer-vehicle file.
A Vehicle Identification Number (VIN) is a unique 17-character code stamped on every road-legal vehicle. In Australia it has been mandatory under Australian Design Rule (ADR) 61 since 1 January 1989 (the US mandate dates from 1981). It encodes the manufacturer, plant, year, model and other build details. You'll find the VIN on the driver-side windscreen, the driver-door jamb sticker, and on the vehicle's registration / insurance documents.
Yes, mostly. The NHTSA vPIC database covers most globally-built modern vehicles — Toyota, Mazda, Hyundai, Ford, Holden (pre-2020), Volkswagen, BMW, Mercedes, Mitsubishi, Nissan, Honda, Subaru, Kia. Some Australian-built or Australian-spec models may show generic data for fields that vary by market (engine spec, transmission, trim). Japanese-domestic grey imports often have a partial chassis-only VIN that won't decode fully here — try a JDM-specific decoder for those.
VINs use the letters A-Z and digits 0-9 with three exceptions: the letters I, O and Q are never used because they look too similar to the digits 1 and 0. If your VIN appears to contain one of those letters, double-check the document — it's almost certainly a misread digit.
The data comes directly from the NHTSA vPIC database, which manufacturers submit to as a regulatory requirement in the US, and which mirrors the data from VIN registries in most other markets. It's the same source major insurers and dealer-management systems use. Year, make, model and base engine spec are typically 100% accurate; trim and option-pack details depend on what each manufacturer submitted.
The VIN is sent to the NHTSA vPIC API to decode it (that's how decoding works). Nothing is stored on our servers. The decode runs in your browser and the result is shown only to you. NHTSA's vPIC service is a public US government service.
Absolutely. Many workshops use a VIN decoder at customer intake — scan the VIN once, all the vehicle details auto-fill, saving 30 seconds per new customer. The OneBookPlus VIN Decoder app for paying customers does this integrated with the customer-vehicle file, with a phone-camera barcode scanner for the VIN plate on the door jamb. This tool above is the free public version for one-off lookups.
Sources & methodology
This vin decoder uses ATO rates, thresholds, and offsets current for the FY 2025–26 financial year. Figures are computed in your browser — nothing you enter is stored or sent to a server.
Authoritative sources
Reviewed by Bishal Shrestha — Founder of OneBookPlus, 10+ years building tools with Australian tax-agent and BAS-agent practices. Last reviewed and updated: May 2026.
Disclaimer: This calculator produces estimates only and is not tax advice. Tax outcomes depend on your individual circumstances. For decisions that affect your tax position, consult a registered tax agent or the ATO directly.
OneBookPlus handles invoicing, GST tracking, BAS prep, and ATO lodgement automatically.
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