1991 Porsche 911 Carrera 4 Leichtbau Coupe / 964015 Vehicle Information

1991 Porsche 911 Carrera 4 Leichtbau photograph

1991 Porsche 911 Carrera 4 Leichtbau
Coupe
Chassis #: 964015
Engine #: 62N11419
Sold for $456,000 at 2019 RM Sothebys : Monterey.
Porsche unveiled the Type 964 version of the 911 in 1988 and it came with several considerable technological upgrades over its predecessor. The list of changes included power steering, a retractable spoiler, a switch from torsion bars to coil springs, and shock absorbers. The 964 debuted a complex and effective all-wheel-drive system sourced from the 959 supercar. Despite the questionable economy of the early 1990s, the Porsche was very well received.

Despite its advanced technology and improved performance, customers demanded more. Porsche's customer motorsport program, overseen by Jürgen Barth, was prepared to answer their request. Barth began work on reducing the weight of the car while keeping its sophisticated all-wheel-drive system intact. Body panels were replaced with aluminum and fiberglass and sound insulation and carpeting were removed. To prepare it for the track, it was given a seam-welded tub and fixed windows with sliding panels. The standard spoiler that rotated upward at speed was replaced with a fixed unit. The stock seats were replaced with Recaro race buckets from the 964 Cup cars with factory five-point harnesses, and a Halcon fire-suppression system was fitted. They received an integrated roll cage, auxiliary gauges, and switches mounted where the radio and climate controls would be. The suspension was lowered about an inch, and staggered 6-inch front and 8-inch rear wheels, or optional 7- and 9-inch wheels were installed. The air cleaner was removed and a modified exhaust system was attached to the 3.6-liter flat-six engine. The five-speed manual transmission received a special clutch and flywheels. It was given the mechanically adjustable drivetrain from the Type 953. The differentials were manually adjustable using the rotary controls, while two temperature gauges monitored the individual differentials.

The result of this work was called the Carrera 4 Leichtbau (Lightweight) and it weighed in at just 2,420 lbs. Twenty-two examples were built and they were not granted a standard 17-digit identification number and was thus not eligible for import into the U.S.

This particular example is the 15th serialized example and has the optional 7- and 9-inch wheels. Its first owner was Mike Amalfitano, who negotiated with the EPA and DOT to successfully petition then-New Hampshire governor Judd Gregg to help him legally import it to the U.S. for competition-only use. Although it was intended to race the Mt. Washington Auto Road Hillclimb, it never competed. In fact, it has reportedly never competed.

It currently has just under 4,500 kilometers on the odometer.


By Daniel Vaughan | Dec 2019


2019 RM Sothebys : Monterey

Pre-Auction Estimates :
USD $450,000-USD $550,000 
Sale Price :
USD $456,000

Recent Sales

(Data based on Model Year 1991 sales)
1991 Porsche 911 Carrera 4 Lightweight
Chassis#: 964015
Sold for USD$456,000
  2019 RM Sothebys : Monterey
1991 Porsche 911 Carrera 4 Leichtbau image  

Vehicles That Failed To Sell

1991 Porsche 911 Carrera 4 Leichtbau's that have appeared at auction but did not sell.
VehicleChassisEventHigh BidEst. LowEst. High

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Vehicle Profiles

Chassis information for the Porsche 911 Carrera 4 Leichtbau1991 Coupe
Chassis Num: 964015
Engine Num: 62N11419
Chassis information for the Porsche 911 Carrera1991 Cabriolet
Chassis Num: WP0CB2969MS460083
Engine Num: 62M00677
Chassis information for the Porsche 911 Carrera1991 Coupe
Chassis Num: WP0ZZZ96ZMS409063
Engine Num: 62M20063
Chassis information for the Porsche 911 Carrera1992 Coupe
Chassis Num: WP0AB2962NS420579
Engine Num: 62N81380
Chassis information for the Porsche 911 Carrera1992 Carrera RS
Chassis Num: WP0ZZZ96ZNS490667
Engine Num: 62N81148
Chassis information for the Porsche 911 Carrera1992 Carrera RS
Chassis Num: WP0ZZZ96ZNS491054
Engine Num: 62N81669
Chassis information for the Porsche 911 Carrera1992 Carrera RS
Chassis Num: WP0ZZZ96ZNS491688
Engine Num: 62N82504
Chassis information for the Porsche 911 RS American1993 Coupe
Chassis Num: WP0AB2961PS418034
Engine Num: 62N06059
Chassis information for the Porsche 911 Turbo S1993 Coupe
Chassis Num: WP0ZZZ96ZPS479014
Engine Num: 61N01537
Chassis information for the Porsche 9111994 Coupe
Chassis Num: WP0AC2962RS480395
Engine Num: 61R00878
Chassis information for the Porsche 9111994 Flachbau Coupe
Chassis Num: WP0AC2967RS480425
Engine Num: 61R00952
Chassis information for the Porsche 9111994 Flachbau Coupe
Chassis Num: WP0AC2968RS480403
Engine Num: 61R00895
Chassis information for the Porsche 9111994 Flachbau Coupe
Chassis Num: WP0AC2969RS480426
Engine Num: 61R00957


Vehicle information, history, and specifications from concept to production.

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