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Monza Lab
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Monza Lab
Free Tool · MonzaHaus
Paste any 17-character Porsche VIN to extract model year, plant, generation, and serial number. Covers 1981+ production (911, Boxster, Cayman, Cayenne, Panamera, Macan, Taycan).
Modern Porsches (1981+) use the 17-character VIN format standardized by ISO 3779. Each position encodes specific information: the first three characters identify the manufacturer (WP0 for Porsche AG Stuttgart, WP1 for Leipzig), positions 4–8 encode body and engine variant, position 9 is a check digit, position 10 is the model year, position 11 is the assembly plant, and positions 12–17 are the unique serial number.
Pre-1981 Porsches — 356, early 911, early 912, 914, and early 924 production — use shorter chassis-number formats that predate the ISO standard. Those cannot be decoded with a modern VIN tool. For those vehicles, the Porsche Classic Certificate of Authenticity (COA) is the authoritative reference.
On modern Porsches (1981+), the VIN is stamped on a plate at the base of the windshield (driver's side), on a sticker inside the driver's door jamb, and stamped into the chassis in the luggage compartment. On 911s specifically, there is also a chassis-stamped number visible through a cutout in the front trunk. For a pre-purchase inspection, verify all three locations match.
Porsches built from 1981 onwards use the 17-character ISO 3779 VIN format shared by all modern vehicles. Pre-1981 Porsches (early 911s, 356, etc.) use shorter chassis numbers specific to each model line — those cannot be decoded with a modern VIN tool.
WP0 is the World Manufacturer Identifier (WMI) for Porsche AG's Stuttgart-Zuffenhausen production — the 911, Boxster, Cayman, 928, 944, 968. The WMI WP1 is used for Leipzig-produced Porsches: Cayenne, Macan, Panamera, and Taycan. If a car advertised as a Porsche does not start with WP0 or WP1, it should be treated with suspicion.
The ISO VIN standard uses 30 characters for model year encoding and cycles every 30 years. Letter 'A' covers both 1980 and 2010; 'B' covers 1981 and 2011; and so on. When a VIN letter is ambiguous, use the body code (positions 4–8) to disambiguate — a WP0ZZZ96 body code only existed during 1989–1994, so an 'N' year code on that VIN is 1992.
No. The decoder extracts structural VIN data (year, plant, serial, generation hint). It cannot confirm matching-numbers status (whether the engine, transmission, and body originally left the factory together). For that you need the Porsche Certificate of Authenticity (COA) from Porsche Classic — it's the only definitive source.
The COA is an official document issued by Porsche Classic confirming the exact specification of a specific Porsche when it left the factory: engine number, transmission number, paint code, option codes, delivery market, and more. It costs roughly $150–$200 to order from Porsche. A collector Porsche without a COA is harder to sell and to authenticate; any seller unwilling to provide one should be treated with skepticism.
Not with this tool. Pre-1981 Porsches (356, early 911, 914, 924 early production) use shorter chassis-number formats specific to each model. For those, Porsche Classic's COA service covers the entire production history and is the authoritative source.
Position 11 of the VIN indicates the factory. 'S' is Stuttgart-Zuffenhausen (911s and sports cars). 'L' is Leipzig (Cayenne, Panamera, Macan, Taycan). 'U' is Uusikaupunki, Finland — Valmet built early 986 Boxsters and some 987 Caymans there under contract. Knowing the plant helps contextualize some options (Leipzig produced cars in specific years) and sometimes corresponds to sub-variant build slots.