The 1988 Porsche 911 Turbo Flat-Nose remains a definitive symbol of late-eighties excess and engineering ambition. Originally known as the Flachbau, the M505 option was an incredibly expensive addition for any showroom buyer. This specific example was completed in November 1987 before heading to its first owner in Long Island. It presents in the timeless combination of Guards Red over a black leather interior. The car now sits in Paris, offered as a mechanical masterpiece with significant recent investment.
The Exclusive M505 Flat-Nose Heritage
Selecting the Flat-Nose option in 1988 required an extra twenty-three thousand dollars from the original purchaser. This aerodynamic body style was inspired by the successful 935 race cars that dominated endurance racing. It replaces the traditional upright headlights with sleek, pop-up units and vented front fenders. Consequently, the silhouette is much more aggressive and modern than the standard 930 generation. Only a small fraction of Turbo production received this specialized treatment from the factory.
Mechanical Restoration by Manfred Rugen
Recent mechanical care has elevated this Porsche to a standard far beyond most surviving examples. Renowned specialist Manfred Rugen oversaw a comprehensive rebuild of the engine and gearbox between 2021 and 2022. The total cost for these mechanical overhauls exceeded sixty-two thousand Euro. These efforts ensured the matching-numbers powertrain performs with the same ferocity it did when new. Modern dyno testing confirms the success of these precise technical updates.
Interior Luxury and Factory Equipment
The cabin is a mix of high-performance utility and the luxury expected of a flagship Porsche. Electric sports seats provide excellent lateral support while maintaining comfort for long-distance European tours. An electric sunroof and a limited-slip differential were also specified from the factory. The interior retains its original black leather upholstery and velour luggage compartment finishes. These details are verified by an included copy of the Porsche Certificate of Authenticity.
Documented History Across Two Continents
This car possesses a clear historical trail, spending decades in New York and Quebec, Canada. It eventually returned to the United States before being acquired by a collector in Germany. Documentation includes extensive invoices for all major technical work and recent body refinements. Professional technician Ingo Stimming also contributed twenty-two thousand Euro worth of body and technical improvements. Currently, the digital odometer displays just over forty-one thousand original miles.
Engine Performance and Technical Specifications
The matching-numbers 3.3-liter turbocharged flat-six engine has been tuned to deliver exceptional power. Dyno runs recorded an output of 370 PS and 499 Nm of torque following the recent overhaul. This performance is managed by a rebuilt four-speed manual gearbox designed for high-stress driving. A new exhaust system was also fitted to optimize the sound and flow of the turbocharger. These specifications ensure the car remains a formidable contender on the road or track today.
Summary of the 911 Turbo Flat-Nose
This 1988 Porsche 911 Turbo Flat-Nose is a rare opportunity to own a fully sorted air-cooled icon. The massive financial investment in the drivetrain makes it one of the healthiest 930s on the market. Its authentic M505 status and Guards Red finish provide the perfect collector profile. With documented ownership and expert maintenance, it is ready for the most demanding Porsche enthusiast. It represents the ultimate evolution of the original turbocharged 911 design language.
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Source: rmsothebys.com
