How to decode a car VIN number

A vehicle identification number (VIN) encodes a car's origin, make, model and year. This guide shows where to find the VIN, what each part means, and how to read it to get reliable vehicle details.

Published

Quick facts

Length
17 characters
WMI
WMI = first 3 characters
Year code
10th character = model year code

Where to find the VIN

Most cars show the VIN in at least one visible place: the dashboard near the windshield, the driver door jamb, and on vehicle paperwork. You can also read the VIN on the engine bay or on registration documents. To get the VIN fast you can take a photo or use a scanner app to scan the number from the car or a document.

VIN structure and the core facts

A full VIN is 17 characters. The three-letter block at the start is the manufacturer marker: WMI = first 3 characters. The decade and model year are encoded in the VIN: 10th character = model year code. The middle section describes model and spec details and the last section is usually the production sequence.

Step-by-step: how to decode the VIN

1) Record the VIN exactly as printed. 2) Read the WMI = first 3 characters and look up that code to get the make and country of origin. 3) Find the 10th character = model year code and use an official mapping table to translate that letter or number into the vehicle year. 4) Use the middle portion to confirm model and spec with manufacturer or trusted databases. If you prefer not to type, use a photo recognition tool or VIN scanner to scan the VIN from a plate or paperwork.

Common pitfalls and practical tips

Do not substitute similar-looking letters for characters; read each character exactly. When you scan a VIN from a photo check the image for glare and smudges, and confirm each character before you trust the result. For autos with aftermarket modifications, the VIN will still show factory make and model details but shop-installed changes will not appear in the VIN. If you need a vehicle value or full spec list, pair the decoded VIN details with a trusted database.

Tools and next steps (including Car Identifier)

You can use online lookup tables, manufacturer resources, or a VIN scanner to get make, model and year from the VIN. For photo-based recognition and a quick way to get spec and value from a plate or image, try Car Identifier.

Common questions

Can I decode a VIN from a photo?
Yes. Use a clear photo and a recognition or scanner tool to capture the characters, then verify each character manually. A second look reduces transcription errors.
Does the VIN tell me the car's year?
Yes. The 10th character = model year code and you translate that code using a published year mapping chart to get the vehicle year.
What does the WMI tell me?
WMI = first 3 characters. That block identifies the manufacturer and often the country of origin, which helps confirm the make.

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