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Holden Piazza VIN Number
Use this guide to find the VIN on your Holden Piazza, understand what it tells you, and start the right parts enquiry for your exact vehicle.
The Holden Piazza was a low-volume sporty three-door hatchback coupe sold in Australia during 1986-1987, a rebadged Isuzu Piazza styled by Giorgetto Giugiaro. It was rear-wheel drive and powered by a 2.0-litre turbocharged Isuzu petrol four, making it an uncommon import in the Holden line-up.
Where to find your Holden VIN
On most Holdens the 17-character VIN can be found in several places — check whichever is easiest to read:
- At the base of the windscreen on the driver's side, visible from outside the car.
- Stamped into the floor of the driver's or front-passenger footwell, under the carpet or trim flap.
- On the compliance / identification plate in the driver's door opening or in the engine bay.
- On your registration papers and registration certificate.
A Holden VIN is 17 characters and never uses the letters I, O or Q. The 10th character is the model-year code; because the model year can run ahead of the build date, cross-check it against the build month and year on the compliance plate.
The compliance plate also lists paint, trim, engine and transmission codes. Those codes are what pin down an exact panel colour or interior match, so it helps to send them with your enquiry. Holdens built before 1988 may not carry a 17-character VIN at all — on those cars use the body / compliance plate and the chassis and engine numbers instead.
On this model
This is an Isuzu-built import, so its identification does not follow the familiar Holden Australian conventions and the WMI does not begin with 6H8. Start by confirming from the compliance and identification plates that the car is genuinely the Piazza before sourcing anything. Because the vehicle is essentially an Isuzu Piazza, cross-referencing the Isuzu chassis and model identification will usually give you a more reliable match for parts. If the plate details are unclear or missing, seek confirmation against Isuzu Piazza records rather than assuming Holden-based numbering applies.
Frequently asked questions
Where is the VIN on a Holden Piazza?
Check the base of the windscreen on the driver's side, the floor of the driver's or passenger footwell, the compliance plate in the door opening or engine bay, and your registration papers. The exact spot can vary by year and body style.
How long is a Holden VIN and what does it tell you?
A modern Holden VIN is 17 characters and never uses I, O or Q. It identifies the vehicle, and the 10th character is the model-year code — cross-check it against the build date on the compliance plate.
My older Holden does not seem to have a 17-character VIN. Why?
Holdens built before 1988 generally pre-date the 17-character VIN. Use the body / compliance plate and the chassis and engine numbers to identify the car instead.
Can I ask for parts once I have my VIN?
Yes. Send the VIN plus any paint, trim, engine and transmission codes from the compliance plate and we will check availability for your exact vehicle.
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