Voiture Porsche 911 Turbo 'Flat-Nose' Targa 1989 a vendre

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To Be OFFERED AT AUCTION at RM Sothebys' The Monterey Auction event, 13 - 15 August 2026.
$450,000 - $550,000 USD

One of only nine M505 Turbo Flachbau Targas produced for 1989; ordered via Porsche’s Special Wishes department by the heir to the Italian food company Sbarro
Sole year of production for 930 Turbo models equipped with the G50 five-speed transmission
Special features of leather-lined, extended center console with VDO gauges, sport seats with electric height adjustment and red piping, electronic boost gauge, and shortened shifter with leather trim and boot
Displaying just over 8,000 miles at cataloguing time; highly original state of preservation
Accompanied by delivery documentation, Porsche Certificate of Authenticity, owner’s manual, and warranty information

The 911 Turbo “Flat-Nose” pays homage to Porsche’s 935 factory racecar developed for FIA Group 5 competition in the mid-1970s. Following its immense success, racing sponsors clamored for a roadgoing version. Porsche’s Exclusive Manufaktur program—sometimes called “Sonderwunsch,” or “Special Wishes”—obliged with an option package for the European market in 1981. It featured louvered steel front fenders made flush with the hood and fitted with retractable headlamps. Wider rear fenders with straked cooling vents housed an electric fan for additional oil cooling and accommodated wider wheels and tires.

In 1987, Porsche finally added the North American Flat-Nose package—known by the code M505—as a pricey and rare option available for Turbo Coupes, Cabriolets, and Targas. Of these, Flat-Nose, or “Flachbau,” Turbo Targas are even rarer: Just nine M505 Turbo Targa Flachbaus were produced for 1989, plus a single M506 Targa reportedly for the Middle Eastern market. From 1987 to 1989, a mere 29 Turbo Targa Flachbau examples were created in total. Although the majority of Porsche 930s received a four-speed manual gearbox, final-year cars, including this example, were fitted with a Getrag G50 five-speed manual transmission—a feature that further enhances the model’s celebrated driving dynamics.

According to the accompanying Porsche Certificate of Authenticity, this US-specification Targa was completed on 4 March 1989, finished as it is today, in Guards Red over a Cashmere Beige and Black partial leatherette interior. As confirmed by the original bill of sale on file from Paul Miller Porsche in Parsippany, New Jersey, it was commissioned through Porsche’s Special Wishes department by the heir to Sbarro, the Italian food empire.

Beyond the dramatic Flachbau bodywork, optional equipment included a limited-slip differential, a shortened shift lever with leather boot and knob, driver and passenger sport seats with electronic height adjustment—each attractively trimmed with red piping—an amplifier, and velour carpet in the luggage compartment. Special options that speak to the car’s high level of custom specification include a Light Rootwood dashboard, an electronic boost gauge, a passenger-side lighted makeup mirror, and leather-covered extended center console with VDO gauges, clock and Porsche script logo.

Acquired by the consignor from a notable collection in 2020 displaying fewer than 7,918 miles, it has rarely been driven since, showing just over 8,000 miles at cataloguing time. Accompanied by delivery documentation and window sticker, tool roll, tire kit, and Porsche Certificate of Authenticity, this Turbo Targa represents an exceedingly rare example of the already-exclusive Flachbau style. Add in its intriguing provenance, G50 gearbox, unique specification, and its wonderfully original, low-mileage state of preservation, and this Turbo Targa Flachbau represents a truly one-of-a-kind opportunity for the serious Porsche collector.
To view this car and others currently consigned to this auction, please visit the RM website at rmsothebys.com/auctions/mo26/.