PorschePrototype.comPorsche prototypes, chassis records and provenance, checked against the record.https://www.porscheprototype.com/17-digit Porsche VIN decoder: what every position meanshttps://www.porscheprototype.com/vin/17-digit-vin/https://www.porscheprototype.com/vin/17-digit-vin/Decode a Porsche VIN number from 1981 onward: WP0 and WP1, US codes vs ZZZ, model type in positions 7, 8 and 12, model year letters and plant codes, with tables.Sun, 13 Sep 2026 00:00:00 GMTPorsche 356 VIN decoder: chassis numbers from Gmünd to the 356 Chttps://www.porscheprototype.com/vin/356/https://www.porscheprototype.com/vin/356/How to read a Porsche 356 chassis number: the pre-A, A, B and C series, documented body builder ranges, and how to confirm a 356 with factory records.Sun, 13 Sep 2026 00:00:00 GMTPorsche 911 VIN decoder: every 911 chassis number format since 1964https://www.porscheprototype.com/vin/911/https://www.porscheprototype.com/vin/911/Free Porsche 911 VIN decoder with every 911 chassis number format: 1964–67 six-digit numbers, 1968–69 codes, 1970s ten-digit numbers and 17-digit VINs.Sun, 13 Sep 2026 00:00:00 GMTPorsche build sheet and options by VIN: what you can get and wherehttps://www.porscheprototype.com/vin/options-build-sheet/https://www.porscheprototype.com/vin/options-build-sheet/How to get a Porsche build sheet, window sticker and options list by VIN: what the VIN shows, the Production Specification, window stickers and paint codes.Sun, 13 Sep 2026 00:00:00 GMTPorsche VIN check: recalls, theft records and vehicle historyhttps://www.porscheprototype.com/vin/vin-check/https://www.porscheprototype.com/vin/vin-check/How to run a Porsche VIN check: open recalls with NHTSA, theft and salvage records with NICB VINCheck, title history, and what to do with a classic chassis number.Sun, 13 Sep 2026 00:00:00 GMTWhere to find the VIN on a Porsche, model by modelhttps://www.porscheprototype.com/vin/vin-location/https://www.porscheprototype.com/vin/vin-location/Where the VIN and chassis number are on a Porsche: classic 911 and 912, 964 and 993, water-cooled 911s, 944 and 928, Boxster, Cayenne, Macan, Panamera and Taycan.Sun, 13 Sep 2026 00:00:00 GMTFactory Porsche slant nose vs conversion: how to tell them aparthttps://www.porscheprototype.com/factory-slant-nose-vs-conversion/https://www.porscheprototype.com/factory-slant-nose-vs-conversion/How to tell a factory Porsche 930 slant nose from a conversion: M505/M506 codes, why pre-1987 cars may lack Kardex records, and inspection checks.Sat, 12 Sep 2026 00:00:00 GMTFerdinand Alexander Porsche: the designer of the 911https://www.porscheprototype.com/ferdinand-alexander-porsche/https://www.porscheprototype.com/ferdinand-alexander-porsche/Ferdinand Alexander “Butzi” Porsche (1935–2012): the T7 study, the 911 and 904, founding Porsche Design in 1972, and the 911 authorship dispute.Sat, 12 Sep 2026 00:00:00 GMTFerdinand Porsche and Hitler: what the historical record showshttps://www.porscheprototype.com/adolf-hitlers-manager-ferdinand-porsche.htmlhttps://www.porscheprototype.com/adolf-hitlers-manager-ferdinand-porsche.htmlFerdinand Porsche’s documented ties to Hitler: the Volkswagen contract, Nazi Party and SS membership, forced labour, his 1945 arrest, Tatra and Josef Ganz.Sat, 12 Sep 2026 00:00:00 GMTFerdinand Porsche: the engineer behind the Beetle and the Porsche namehttps://www.porscheprototype.com/ferdinand-porsche/https://www.porscheprototype.com/ferdinand-porsche/Ferdinand Porsche (1875–1951): the Lohner-Porsche hybrid, Mercedes and Auto Union, the Volkswagen, his Nazi record, imprisonment, family and death.Sat, 12 Sep 2026 00:00:00 GMTThe first Porsche 911s: chassis 300001 to 300235 explainedhttps://www.porscheprototype.com/the-shocking-secret-myth.htmlhttps://www.porscheprototype.com/the-shocking-secret-myth.htmlWhat the first Porsche 911s of 1964 really were: chassis 300001–300235, the 82 cars badged 901, and how that range became a “secret 235 3000 series” myth.Sat, 12 Sep 2026 00:00:00 GMTPorsche 356 No. 1: the first car to carry the Porsche namehttps://www.porscheprototype.com/porsche-356-001/https://www.porscheprototype.com/porsche-356-001/Porsche 356/1 (356-001), the first Porsche: a mid-engined aluminium roadster built in Gmünd and registered on 8 June 1948. Engine, body and designer.Sat, 12 Sep 2026 00:00:00 GMTPorsche 901 prototype chassis numbers: every car from 13321https://www.porscheprototype.com/chassis.htmlhttps://www.porscheprototype.com/chassis.htmlThe Porsche 901 prototypes by chassis number, from 13321 Sturmvogel to cabriolet 13360: nickname, purpose, and which cars survive or vanished.Sat, 12 Sep 2026 00:00:00 GMTPorsche 901 transmission: types, years and gear codes explainedhttps://www.porscheprototype.com/porsche-901-transmission/https://www.porscheprototype.com/porsche-901-transmission/The Porsche 901 transmission explained: the dogleg transaxle used in 911 and 912 from 1965 to 1971, its 901/902 type numbers, gear letter codes and what replaced it.Sat, 12 Sep 2026 00:00:00 GMTPorsche 901: the car that became the 911https://www.porscheprototype.com/porsche-901/https://www.porscheprototype.com/porsche-901/The Porsche 901 explained: the 1963 Frankfurt debut, thirteen prototypes, the 82 cars built as 901, the flat-six engine, and how to tell a real early 901-era car.Sat, 12 Sep 2026 00:00:00 GMTPorsche 902: the four-cylinder 901 that became the 912https://www.porscheprototype.com/porsche-902/https://www.porscheprototype.com/porsche-902/The Porsche 902 was the four-cylinder version of the 901. Its test cars, why it became the 912, the 616/36 engine, and 912 vs 911 differences.Sat, 12 Sep 2026 00:00:00 GMTThe $21 million Porsche “911 T prototype”: claim versus recordhttps://www.porscheprototype.com/porsche-911t-prototype-ebay/https://www.porscheprototype.com/porsche-911t-prototype-ebay/The eBay Porsche listed as a lost “911 T prototype” for $21 million, checked field by field: chassis 9111120162, the Certificate of Authenticity and the slant nose.Sat, 12 Sep 2026 00:00:00 GMTPorsche 911T: specs, model years and how to identify onehttps://www.porscheprototype.com/porsche-911t/https://www.porscheprototype.com/porsche-911t/The Porsche 911T explained year by year: 2.0, 2.2 and 2.4-litre engines, T vs E vs S, Karmann-built coupés, chassis number formats and what to check before buying.Sat, 12 Sep 2026 00:00:00 GMTPorsche 959 prototypes: from the 1983 Gruppe B to Paris-Dakarhttps://www.porscheprototype.com/porsche-959-prototypes/https://www.porscheprototype.com/porsche-959-prototypes/The Porsche 959’s prototypes explained: the 1983 Gruppe B show car, the Paris-Dakar rally cars, the 961 at Le Mans, pre-production cars and how many 959s were built.Sat, 12 Sep 2026 00:00:00 GMTPorsche Certificate of Authenticity: what replaced it and how to orderhttps://www.porscheprototype.com/porsche-certificate-of-authenticity/https://www.porscheprototype.com/porsche-certificate-of-authenticity/The Porsche Certificate of Authenticity is now the Porsche Production Specification ($150). How it compares with the Classic Technical Certificate and Kardex.Sat, 12 Sep 2026 00:00:00 GMTPorsche and Dieselgate: the police raids, arrests and finehttps://www.porscheprototype.com/police-raid-volkswagen.htmlhttps://www.porscheprototype.com/police-raid-volkswagen.htmlHow Dieselgate reached Porsche: the Cayenne V6 diesel, the 2018 police raids, the arrests of Wolfgang Hatz and Jörg Kerner, and the €535 million fine.Sat, 12 Sep 2026 00:00:00 GMTPorsche engine numbers: decoding classic 911 engine types and serialshttps://www.porscheprototype.com/porsche-engine-numbers/https://www.porscheprototype.com/porsche-engine-numbers/How to read a classic Porsche 911 engine: where the number is stamped, what serial digits mean, engine type numbers 1965–1989 and matching numbers.Sat, 12 Sep 2026 00:00:00 GMTPorsche Flachbau RS: the 2026 slant-nose one-off on a 911 GT2 RShttps://www.porscheprototype.com/porsche-flachbau-rs/https://www.porscheprototype.com/porsche-flachbau-rs/The Porsche Flachbau RS: a Sonderwunsch one-off revealed in August 2026, a 991.2 GT2 RS rebuilt with a Moby Dick-inspired slant nose. Design and testing.Sat, 12 Sep 2026 00:00:00 GMTPorsche Le Mans prototypes: every overall winner and the 963https://www.porscheprototype.com/porsche-le-mans-prototypes/https://www.porscheprototype.com/porsche-le-mans-prototypes/Porsche’s Le Mans prototypes and all 19 overall wins: 917, 936, 935, 956, 962, WSC-95, 911 GT1-98 and 919 Hybrid, plus the 963 LMDh’s record since 2023.Sat, 12 Sep 2026 00:00:00 GMTPorsche M491: the Turbo Look 911 Carrera 3.2 explainedhttps://www.porscheprototype.com/porsche-m491/https://www.porscheprototype.com/porsche-m491/Porsche option M491 explained: the 1984–1989 911 Carrera 3.2 Turbo Look, what it included, production figures, UK Supersport, and how to verify one.Sat, 12 Sep 2026 00:00:00 GMTPorsche option codes: how M-codes work and what classic codes meanhttps://www.porscheprototype.com/porsche-option-codes/https://www.porscheprototype.com/porsche-option-codes/Porsche M-codes explained: what Mehrausstattung means, where option codes appear, why codes change between generations, and a list of classic 911 and 930 codes.Sat, 12 Sep 2026 00:00:00 GMTPorsche research sources: registries, archives and bookshttps://www.porscheprototype.com/links.htmlhttps://www.porscheprototype.com/links.htmlWhere to research a Porsche’s history: factory documentation services, registries, club archives, and the reference books specialists cite.Sat, 12 Sep 2026 00:00:00 GMTPorsche slant nose: the Flachbau 930, its generations and production numbershttps://www.porscheprototype.com/porsche-slant-nose/https://www.porscheprototype.com/porsche-slant-nose/The Porsche slant nose (Flachbau): the 935 origin, three generations of 930 slant nose, 948 built, M505 and M506, the 964 Turbo S Flachbau and values.Sat, 12 Sep 2026 00:00:00 GMTPorsche Sonderwunsch: the special wishes program from 1955 to todayhttps://www.porscheprototype.com/porsche-sonderwunsch/https://www.porscheprototype.com/porsche-sonderwunsch/Porsche Sonderwunsch explained: the 1955 Krupp request, the 1978 department, factory slant noses, the 2021 revival, one-offs, and how pricing works.Sat, 12 Sep 2026 00:00:00 GMTPorsche Type 114: the 1938 V10 sports car that was never builthttps://www.porscheprototype.com/porsche-type-114/https://www.porscheprototype.com/porsche-type-114/The Porsche Type 114 F-Wagen: a 1938 design for a mid-engined sports car with a 1.5-litre V10. Why it was drawn, why it was dropped, and its legacy.Sat, 12 Sep 2026 00:00:00 GMTPorsche Type 64: the 1939 Berlin–Rome race car and its survivorhttps://www.porscheprototype.com/porsche-type-64/https://www.porscheprototype.com/porsche-type-64/The Porsche Type 64 was built for a 1939 Berlin–Rome race that never happened. Three cars, one survivor (chassis 38/41), Otto Mathé’s 46 years, and the 2019 auction.Sat, 12 Sep 2026 00:00:00 GMTPorsche Type 754 T7: the 1959 prototype that shaped the 911https://www.porscheprototype.com/porsche-type-754-t7/https://www.porscheprototype.com/porsche-type-754-t7/The Porsche Type 754 T7 was Butzi Porsche’s 1959 four-seat body study for the 356’s successor. How its 2,400 mm wheelbase became the 911, and where it is today.Sat, 12 Sep 2026 00:00:00 GMTPorsche type numbers: the type list explained, from Type 7 to 992https://www.porscheprototype.com/porsche-type-list.htmlhttps://www.porscheprototype.com/porsche-type-list.htmlWhat Porsche type numbers mean, why the list starts at Type 7, why the 911’s successor to the 356 was numbered 901, and a table of key types from 1931 to today.Sat, 12 Sep 2026 00:00:00 GMTWho designed the Porsche 911? Butzi Porsche, Erwin Komenda and the lawsuithttps://www.porscheprototype.com/the-porsche-911-conspiracy.htmlhttps://www.porscheprototype.com/the-porsche-911-conspiracy.htmlPorsche credits Ferdinand Alexander “Butzi” Porsche with the 911; Erwin Komenda’s heirs argued in court he shaped it. The design history and rulings.Sat, 12 Sep 2026 00:00:00 GMTWhy is it called the Porsche 911?https://www.porscheprototype.com/why-is-it-called-porsche-911/https://www.porscheprototype.com/why-is-it-called-porsche-911/The Porsche 911 was called 901 until Peugeot objected in 1964. Why Porsche chose 901, Peugeot’s claim to middle-zero names, and the 82 cars built as 901.Sat, 12 Sep 2026 00:00:00 GMT