IW ImportWindow

Build date proof › Porsche

How to prove a Porsche's build date

States the production completion date. The cheapest real build date on this list for a Porsche - if you can receive post in North America.

Routes, best first

The manufacturer's own date-of-manufacture label

Build date

The single best evidence there is, and it is free. Look for it before you pay anyone anything.

issuer
The original manufacturer, at the factory
cost
Free
time
Immediate
you supply
Nothing but a torch and a phone camera.

States when the car was built. This is the date every import rule is measured from.

Limits and gaps

A JDM-market car normally has no date-bearing label at all. Its caution plate carries model code, chassis number, engine model and paint and trim codes - and no date.

NHTSA puts this first: the 25-year period runs from the date of manufacture, and the agency looks for that date on a label permanently affixed to the vehicle by its original manufacturer. Everything else on this site exists because that label is missing. Photograph the driver's door aperture, the passenger door aperture, the engine bay bulkhead and the centre pillars before you conclude there isn't one.

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Porsche Production Specifications (PPS)

Build date

States the production completion date. The cheapest real build date on this list for a Porsche - if you can receive post in North America.

issuer
Porsche Cars North America
cost
$150
time
6-8 weeks
you supply
The Porsche VIN. No ownership proof, no inspection, no photographs.

States when the car was built. This is the date every import rule is measured from.

Limits and gaps

Ships only within the United States and Canada - a hard blocker if you are buying in Europe and want the document before the car moves. Engine and transmission numbers are no longer supplied, original Kardex records are not released, and prior-owner and warranty history are withheld.

This replaced the old Certificate of Authenticity, which cost $110 for 1948-79 cars and $95 for 1980-on. If a forum post tells you to order a 'Porsche COA', this is what it has become.

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Classic Technical Certificate (CTC)

Build date

States the Date of Production and verifies engine and transmission numbers against factory records. Overkill for an import date; excellent for a sale.

issuer
Certified Porsche Classic Partner (authorised dealer)
cost
From $500 plus local sales tax
time
Not published
you supply
The VIN and the physical car, for a 63-point inspection and photography.

States when the car was built. This is the date every import rule is measured from.

Limits and gaps

Requires the car in front of a dealer, so it cannot be obtained before purchase or while the car is on a ship.

If all you need is a build date, order the Production Specifications instead and keep the other $350.

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Certificate of Conformity (CoC)

No date of manufacture

Proves nothing about age, and is actively misleading: a CoC issued today for a 1997 car is dated today.

issuer
The manufacturer
cost
Typically EUR 100-250 from the manufacturer
time
Weeks
you supply
The VIN.

Carries no date of manufacture. Useful for other things; useless for proving a car's age.

Limits and gaps

The CoC carries the VIN, type approval, dimensions, masses, engine, emissions, tyres, brakes and colour. The only date on it is its own date of issue.

US shipping guidance sometimes lists a certificate of conformity including the production date as acceptable. Read that clause carefully - the words doing the work are 'including the production date'. A bare CoC has no production date on it.

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EU registration certificate (V5C, carte grise, Zulassungsbescheinigung, libretto)

No date of manufacture

States first registration, not manufacture. First registration is normally later than the build - sometimes by more than a year. That gap is the whole problem.

issuer
The national registration authority
cost
-
time
-
you supply
-

Carries no date of manufacture. Useful for other things; useless for proving a car's age.

Limits and gaps

Council Directive 1999/37/EC, Annex I, defines the harmonised codes. (B) is the date of first registration and (I) the date of the current registration. There is no harmonised code for date of manufacture anywhere in the annex.

Individual member states may add national fields the directive does not harmonise, so check your own document. But no EU-wide manufacture-date field exists.

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Porsche vehicles in the catalogue

The Build Date Proof Pack

This page tells you which document to order. The pack gets it ordered — and tells you what to do when the answer is that no document exists.

  • A ready-to-send request for every archive, in the language it wants
  • Exactly which numbers to photograph, and where they are on the car
  • What to ask the seller for before you pay the deposit
  • The fallback ladder when the manufacturer has no records
  • What US, Canadian and Australian officials each accept as proof
$19 See what's in it

Not on sale yet — see the full contents first.