1992 Porsche 911 Turbo S Leichtbau — 964

The 964 Turbo S Leichtbau combined a stronger turbocharged engine with a radical reduction in comfort equipment. Porsche’s history gives 381 PS and a historical production reference of 86 cars. The programme was developed with the Exclusive and Motorsport departments in the early 1990s. This profile concerns that lightweight 3.3-litre special, keeping later Turbo S flatnose variants, ordinary Turbos and independent conversions outside the selected identity.

A Turbo S defined by more than added power

Porsche’s Turbo S history identifies the 1992 model as the first series-produced Turbo S and emphasises weight reduction alongside engine output. The original brief focused on maximum performance with road homologation. That makes the Leichtbau a particular model programme rather than a generic power upgrade. Later Turbo S names can refer to different generations and purposes, so the 964 and lightweight qualifiers remain central to the profile’s title and indexing.

Porsche: 964 Turbo S history, equipment and 86-car reference

The 3.3-litre turbo engine reference

The factory describes a 3.3-litre turbocharged flat six modified with increased boost pressure and other changes to produce 381 PS. This is the historical programme reference, not a measurement of every surviving car. Software, engine rebuilds and replacement turbochargers can change the present specification. For an individual example, retain its original engine identity and service history instead of inferring current output from the model’s published figure.

The equipment removed for the lightweight brief

Porsche lists omitted power steering, air conditioning, radio, rear seats and dual-mass flywheel, alongside lightweight body panels. The particular combination explains the model better than a weight-saving slogan alone. A surviving car may have had equipment reinstated or changed, and those alterations should be described. Original build documentation is especially useful where a visual inspection cannot reveal whether the present cabin matches the delivered specification.

Porsche: 964 Turbo S history, equipment and 86-car reference

The 86-car historical scope

Both the later Turbo S history and an earlier Exclusive department account give 86 examples, with the latter describing 1992–1993 construction context. That is an attributed manufacturer historical reference. It is not a newly reconciled register of completed chassis and current survivors. Keep the later Turbo S variants separate rather than adding their quantities or treating every rare 964 Turbo configuration as one edition.

Porsche: Exclusive and Motorsport cooperation

Identifying a genuine Leichtbau

Compare the factory model designation, original build data, chassis and engine evidence, and the history of body and interior changes. Colour, wheels and external details can be copied and cannot authenticate the car on their own. A family-reference photograph, if used, must say explicitly that it does not establish Leichtbau identity. Original provenance and present mechanical condition remain different questions, each requiring evidence specific to the individual vehicle.

Specifications and identity reference

Rarity and production scope

Verified 964 Turbo S Leichtbau programme. Porsche reports 86 examples; construction context spans 1992–1993 in the earlier factory account. This remains an attributed historical figure, not a newly audited completed or surviving chassis total.

What the photograph represents

Porsche 964 Turbo S Leichtbau catalogued as a 1993 example. Exact-model illustration for the 1992–1993 programme, not an independently authenticated chassis-production audit.

Related Porsche heritage profiles

• 1993 Porsche 911 Speedster — 964
• 1993 Porsche Boxster Concept

Frequently asked questions

Is every 964 Turbo S a Leichtbau?

No. The selected lightweight programme has a specific identity and should not be merged with later variants.

Is 86 a current survivor count?

No. It is Porsche’s historical production reference.

What is the production-count boundary for this profile?

Verified 964 Turbo S Leichtbau programme. Porsche reports 86 examples; construction context spans 1992–1993 in the earlier factory account. This remains an attributed historical figure, not a newly audited completed or surviving chassis total.

Sources and further reading

1. Porsche: 964 Turbo S history, equipment and 86-car reference
2. Porsche: Exclusive and Motorsport cooperation

Research checked 17 October 2026. Linked factory, heritage and specialist-register records support the specifically attributed claims. Photographic descriptions identify the illustrated subject. Design analysis and suggested authentication steps are editorial interpretation.