Free VIN Decoder
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What is a VIN number?
The VIN (Vehicle Identification Number) is a unique 17-character code assigned to every vehicle manufactured since 1981. It's the equivalent of an identity card for your car. This number precisely identifies the manufacturer, model, year of manufacture, and even the assembly plant of the vehicle.
This format is standardized by ISO 3779 standard, adopted internationally since 1977.
In the UK, you'll find the VIN on your V5C registration certificate (logbook) in section 4, on the dashboard (visible through the windshield on the driver's side), and on a plate on the door frame. It's also on your MOT certificate.
VIN Example
VF1RFD00061234567
VF1
Renault
·
RFD00
Description
·
0
Check
·
6
2006
VIN Structure
| Positions | Section | Description |
|---|---|---|
| 1-3 | WMI: Manufacturer identifier | Identifies the manufacturer and country of origin |
| 4-8 | VDS: Vehicle description | Encodes the model, body type, engine, and transmission |
| 9 | Check digit | Verifies VIN integrity (mandatory in North America) |
| 10 | Model year | Letter or digit code corresponding to the year of manufacture |
| 11 | Assembly plant | Code identifying the plant where the vehicle was assembled |
| 12-17 | VIS: Serial number | Unique sequential production number for each vehicle |
Where to find your VIN?
V5C logbook
Section 4 of the V5C registration certificate (logbook). The official source for your VIN.
Windshield
Plate visible at the bottom of the windshield, driver's side. Readable from outside the vehicle.
Manufacturer plate
On the driver's door frame or in the boot, depending on the manufacturer.
VIN Number on the V5C Registration Certificate
The V5C registration certificate (logbook) contains the VIN in section 4. This document is issued by the DVLA (Driver and Vehicle Licensing Agency) and serves as the primary proof of registered keeper. The 17-character VIN must match the number physically stamped on the vehicle.
Find all official vehicle information on GOV.UK.
Old V5 vs current V5C format
The current V5C format has been in use since 2004, replacing the older V5. Both contain the VIN, but the V5C uses enhanced security features including a watermark and unique document reference number. The 17-character VIN follows the ISO 3779 international standard used across all EU and UK vehicles.
How to read section 4
Section 4 of the V5C is in the vehicle details area. The VIN is printed as 17 alphanumeric characters with no spaces. The letters I, O, and Q are never used to avoid confusion with 1, 0, and 9. If a character is unreadable, compare with the VIN on the vehicle itself.
VIN mismatch: what to do?
If the VIN on the V5C doesn't match the VIN on the vehicle, don't complete the purchase. This can indicate a stolen vehicle, a cloned identity, or a Category S/N write-off being disguised. Contact the DVLA or the police.
For official verification, use the free GOV.UK services: check MOT history at gov.uk/check-mot-history and check vehicle tax and SORN status at gov.uk/check-vehicle-tax. For outstanding finance checks, use an HPI check service. gov.uk/check-mot-history
Verify the VIN from the V5C
V5C VIN vs VIN on the vehicle
The VIN is stamped in several locations: on the dashboard (visible through the windshield), on the manufacturer's plate (door frame), and on the chassis. All these VINs must match exactly the number in section 4 of the V5C.
When buying a used car, always verify this match. An honest seller won't refuse this check. If the numbers differ or a VIN plate looks tampered with, walk away. Also run a free MOT history check and consider an HPI check for outstanding finance and write-off status.
Common UK manufacturer VIN codes
| WMI Code | Manufacturer |
|---|---|
SAJ | Jaguar |
SAL | Land Rover |
SAR | Rover |
SCA | Rolls-Royce |
SCB | Bentley |
SCF | Aston Martin |
SDB | Peugeot (UK) |
SFD | Alexander Dennis |
YV1 | Volvo |
WF0 | Ford (UK/Europe) |
VIN Frequently Asked Questions
What is a VIN number used for?
The VIN (Vehicle Identification Number) is a unique 17-character identifier assigned to each vehicle. It allows you to find the complete vehicle history: manufacturer, model, year of manufacture, country of origin, declared accidents, real mileage, and manufacturer recalls.
Where is the VIN on the V5C logbook?
On the V5C registration certificate (logbook), the VIN is in section 4. It's a 17-character code that uniquely identifies your vehicle. You can cross-check it with the VIN on the dashboard and door frame.
Can you check a car's history for free in the UK?
Basic VIN decoding (manufacturer, country, year) is free on Automano. For history, GOV.UK offers free MOT history checks with mileage records. For full checks (outstanding finance, write-off status, stolen), use an HPI check or Automano's VIN report (£6.90). Check MOT history
What free vehicle checks are available in the UK?
The UK government provides several free checks: MOT history at gov.uk/check-mot-history (includes mileage, advisories, and failures), vehicle tax status at gov.uk/check-vehicle-tax, and DVLA vehicle enquiry for basic details. For finance and write-off checks, paid services like HPI or Automano are needed. gov.uk/check-mot-history
Why is the VIN 17 characters long?
The ISO 3779 standard (1977) set the VIN at 17 characters to allow unique identification of every vehicle worldwide. The first 3 identify the manufacturer (WMI), the next 6 describe the vehicle (VDS), and the last 8 make up the serial number (VIS). The letters I, O, and Q are excluded to avoid confusion with the digits 1, 0, and 9.
How to check if a car is stolen in the UK?
Ask your local police to run a PNC (Police National Computer) check, or use an HPI check service which queries the Police National Computer database. The Automano VIN report also checks theft status. Always ask to see the V5C logbook and verify the VIN matches the vehicle.
Can the VIN verify mileage?
The VIN itself doesn't contain the mileage, but it allows access to databases that record mileage declared during technical inspections, maintenance, and ownership changes. This is the most reliable way to detect odometer fraud.
How to check an imported vehicle?
For an imported vehicle, the VIN is essential. It allows you to check the history in the country of origin (accidents, mileage, recalls). The Automano report covers major European countries. Also verify that the VIN on the registration card matches the one engraved on the chassis.
Where is the VIN on the V5C registration certificate?
The VIN is in section 4 of the V5C registration certificate (logbook), issued by the DVLA. It's a 17-character code. You can verify it by comparing with the VIN on the vehicle dashboard and door frame.
Must the VIN on the V5C match the vehicle?
Yes, absolutely. The VIN in section 4 of the V5C must exactly match the VIN stamped on the dashboard, door frame, and chassis. Any discrepancy is a major red flag: possibly a cloned, stolen, or written-off vehicle being disguised. If numbers don't match, contact the DVLA and police.
VIN Decoder by Brand
Each manufacturer encodes the VIN differently. Check brand-specific guides for WMI codes, VIN locations, and common issues.
BMW
WMI codes: WBA, WBS, WBY, WBX, 5UX
Mercedes-Benz
WMI codes: WDB, WDC, WDD, WMX, VSA
Audi
WMI codes: WAU, WUA, TRU, 93U
Renault
WMI codes: VF1, VF2, VF6, UU1, GA1
Peugeot
WMI codes: VF3, VR3, VF3
Citroën
WMI codes: VF7, VF8, VR7
Volkswagen
WMI codes: WVW, WV2, 3VW, WV1
Toyota
WMI codes: JTD, JTE, SB1, VNK, NMT
Ford
WMI codes: WF0, 1FA, 6FP, WFO
Opel
WMI codes: W0L, W0V, VXK
Go Further
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Car Diagnostics
The VIN identifies the vehicle, diagnostics reveal its real condition. Lights, OBD2 codes, engine wear.
Need a complete history?
The free VIN decoder gives you basic information. For the complete history (accidents, mileage, owners), order the Automano report.