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911 Turbo S 3.3 Leichtbau — stand-in photo (same 964 family, sibling trim)

911 Turbo S 3.3 Leichtbau

1992–1993Coupé

The Turbo S Leichtbau was the 3.3 Turbo turned into a homologation special for the IMSA Supercar series, using the same stripped-down philosophy as the Carrera RS. Output came from the 3.3 with bigger injectors, higher boost, more aggressive camshafts and a second oil cooler, giving 381 PS. Weight was cut by about 180 kg against the standard Turbo by deleting underbody protection, sound deadening, air conditioning, power steering and the rear seats, plus thinner glass, aluminium doors, a carbon-fibre luggage compartment and thinner carpets. The suspension was lowered 40 mm with a front strut brace and manual steering. Production began in July 1992 for the 1993 model year, and with the 380 hp it put out, it was one of the quickest road cars of its day.

SpecificationsSound: Porsche 911 R (1967)Edvvc · CC BY-SA 3.0 · Commons (opens in a new tab)

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Specification plate

Numbers as published

Every figure below is quoted from the sources listed at the foot of the page. A dash means the number was never published — it is never estimated.

Engine

3.3 L

M30/69 air-cooled turbo flat-six, 7.0:1, larger injectors, more boost, more aggressive camshafts, second oil cooler

Power

381 PS

0–100 km/h

0–97 km/h (60 mph) 4.6 s; quarter mile 12.4 s

Top speed

290 km/h

180 mph)

Weight

1,288 kg

2,838 lb) — about 180 kg less than the standard Turbo

Drivetrain

Rear-wheel drive

Transmission

5-speed manual; no power steering

Production

86

Stuttcars); Wikipedia records 25–50 originally planned, later raised to 80, with some sources stating Porsche built six more than the 80 planned; jtcars lists 81

Body styles

Coupé

Torque

508 Nm

375 lb-ft) @ 5,000 rpm

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Wheels
StockSportTurbo

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Gallery

7 views of the Turbo S 3.3 Leichtbau

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Watch

4 films on the Turbo S 3.3 Leichtbau

Variant-specific films first, then the curated set for the generation. Every player is an embed that loads on click.

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Compare

Set it against its neighbours

911 Carrera RS N/GT1992–1993Same body, same era911 Carrera 2 Turbo-Look1992–1993Same body, same era911 Carrera RSR 3.81993–1994Same body, same era
Compact specification comparison between the 911 Turbo S 3.3 Leichtbau and 911 Carrera RS N/GT, 911 Carrera 2 Turbo-Look, 911 Carrera RSR 3.8
Spec911 Turbo S 3.3 Leichtbau1992–1993911 Carrera RS N/GT1992–1993911 Carrera 2 Turbo-Look1992–1993911 Carrera RSR 3.81993–1994
Years1992–19931992–19931992–19931993–1994
Engine3.3 L M30/69 air-cooled turbo flat-six, 7.0:1, larger injectors, more boost, more aggressive camshafts, second oil cooler3,596 cc (3.6 L) air-cooled flat-six, type M64/03 (individually selected RS units)3.6 L M64/01, M64/02 air-cooled flat-six, twin-spark plug ignition, three-way catalytic converter3,746 cc M64/04 air-cooled flat-six, dry-sump, single ignition, Bosch electronic fuel injection, 11.4:1
Power381 PS260 PS250 PSPorsche claimed 325 hp @ 6,900 rpm; 375 bhp unrestricted and 360 bhp with the 48 mm Le Mans restrictor (contemporaneous observers considered the official figure conservative)
0–100 km/h0–97 km/h (60 mph) 4.6 s; quarter mile 12.4 s—0–97 km/h (60 mph) 5.6 s0–97 km/h (60 mph) 3.7 s
Top speed290 km/h—260 km/h291 km/h
Weight1,288 kg——1,213 kg
Drivetrain — identical across all carsRear-wheel driveRear-wheel driveRear-wheel driveRear-wheel drive
Transmission5-speed manual; no power steering6-speed manual (G50/10 close-ratio gearbox, asymmetrical limited-slip differential)5-speed Getrag G50 manual; 4-speed Tiptronic (433 of the 1,532 Cabriolets were Tiptronic)5-speed manual transaxle
Body stylesCoupéCoupéCoupé · CabrioletCoupé
Production86 (Stuttcars); Wikipedia records 25–50 originally planned, later raised to 80, with some sources stating Porsche built six more than the 80 planned; jtcars lists 81—1,532 Carrera 2 Cabriolet Turbo-Look (types 964650 LHD / 964651 RHD) for 1992–1993, including 6 delivered with the Turbo 3.3 engine and gearbox as 964 Turbo Cabriolet, 3 LHD and 3 RHD; US-market cars were branded America Roadster (250 built). The Coupé/Cabriolet split is not resolved by the sources verified.51 including the prototype (Gooding, RM Sotheby's, classic.com); Stuttcars lists 45
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Sources (4)

  1. Porsche 911 (964) — Wikipedia (Turbo 3.3 section and specification table) (opens in a new tab)
  2. Porsche 911 Turbo S 3.3 (964) (1992–1993) — Stuttcars (opens in a new tab)
  3. Porsche 964 Specs & Performance Summary — Stuttcars (opens in a new tab)
  4. 1993 Porsche 964 Turbo S Leichtbau — Bonhams (opens in a new tab)

What the sources do not settle (4)

  • This variant id is an APPEND (not in data/roster.json): the Turbo S 3.3 Leichtbau is distinct from both the base Turbo 3.3 and the 3.6 Turbo S and had no roster entry.
  • Production total conflicts three ways: 86 (Stuttcars), 80 planned with a reported 86 built (Wikipedia, which also notes other sources give 80), and 81 (jtcars). No authoritative figure found.
  • Torque: Wikipedia's table gives 508 Nm @ 5,000 rpm and also 490 Nm @ 4,800 rpm; Stuttcars lists 362 lb-ft (361 Nm) @ 4,800 rpm. The 508 Nm figure is used.
  • Stuttcars' 964 comparison table gives 381 bhp @ 6,000 rpm while Wikipedia and Stuttcars' own text give 5,750 rpm.

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