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Porsche History

1989 Porsche 911 Slantnose

Chassis number : WP0EB0936KS070543

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Sold for $249,200 at 2019 Bonhams : Amelia Island.
Homologation requirements for Group 4 competition required 400 road cars to be built, which resulted in the development of 'Porsche 930.' In October of 1974, Ernst Fuhrmann had introduced the first Turbo production model which combined a KKK turbocharger to a reworked 3.0-liter engine. Vehicles destined for the road had 260 horsepower and a top speed of 153 mph. In the back were flared wheel arches and 'tea tray' rear spoiler borrowed from the Carrera model. The interior was well appointed and the most luxurious yet observed in a 911. In 1978, the engine grew to a displacement size of 3.3-liters, and gained an inter-cooler. Power rose to 300 bhp (the U.S. models had 265 bhp) and top speed reached 160 mph.

The racing Porsche 935 pioneered the 'slant' or 'flat' nose design, and soon customers were demanding versions they could purchase. Kremer Racing offered a conversion service that was later taken up by the factory's own Customer Department for special order (Sonderwunschen) in 1981. It became an official Porsche option in 1986. The converted front wings were steel, incorporating cooling vents and pop-up headlamps. Extra cooling intakes were placed ahead of the rear wheels. The interior featured full leather.

This Porsche 930 Turbo Cabriolet Slant Nose was produced in the final nine-month production run of the original 930 Turbo. It has the Getrag G50 5-speed manual transmission, 4-wheel disc brakes, and a 3299cc SOHC turbocharged 6-cylidner engine fitted with a Bosch Fuel Injection system offering just over 280 horsepower.

The car's original owner was Dr. Jack Frost of Iowa who selected its Guards Red paint, a black leather interior with matching red contrast stripes, and the M505 slant nose. He selected European deliver and used the car on an extended road trip holiday across the continent. The car was the brought to the United States and driven sympathetically over the years. Upon Dr. Frost's passing, the vehicle remained in the family and his son has taken over the stewardship of the vehicle as of 2014. Currently, it has roughly 6,000 miles on the odometer.


By Daniel Vaughan | May 2019

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2019 Bonhams : Amelia Island

Pre-Auction Estimates :
USD $175,000-USD $250,000 
Sale Price :
USD $249,200

1989 Porsche 911 Slantnose Auction Sales

Recent Sales of the Porsche 911 Slantnose

(Data based on Model Year 1989 sales)
1989 Porsche 930 Slantnose Cabriolet
Chassis#: WP0EB093XKS070402
Sold for USD$145,600
  2021 Gooding & Company : Pebble Beach Concours Auction
 
1989 Porsche 911 Turbo 'Flat Nose' Cabriolet
Chassis#: WP0EB0934KS070508
Sold for USD$280,000
  2020 RM Sothebys : Scottsdale Arizona
 
1989 Porsche 930 Cabriolet 'Slant Nose'
Chassis#: WP0EB0936KS070543
Sold for USD$249,200
  2019 Bonhams : Amelia Island
1989 Porsche 911 Slantnose image  
1989 Porsche 911 / 930 Turbo
Chassis#: WPOZZZ93KS000404
Sold for USD$127,027
  2019 Historics at Brooklands - Ascot Racecourse
 
1989 Porsche 930 Turbo Slant Nose Cabriolet
Chassis#: WP0EB0939KS070407
Sold for USD$229,600
  2019 Bonhams : Scottsdale Arizona
 
1989 Porsche 930 Turbo Slant Nose Cabriolet
Chassis#: WP0EB0933JS070093
Sold for USD$456,000
  2018 Bonhams : Quail Lodge
 
1989 Porsche 911 Turbo 'Flat-Nose' Coupe
Chassis#: WP0JB0935KS050489
Sold for USD$224,000
  2018 RM Sothebys : Amelia Island
1989 Porsche 911 Slantnose image  1989 Porsche 911 Slantnose image  
1989 Porsche 911/930 Turbo Cabriolet
Chassis#: WP0ZZZ93ZKS020210
Sold for USD$106,829
  2017 Historics at Brookland
 
1989 Porsche 911/930 Turbo Cabriolet
Chassis#: WP0ZZZ93ZJS020115
Sold for USD$124,072
  2017 Historics at Brookland
 
1989 Porsche 911 Turbo Slantnose Cabriolet
Sold for USD$192,500
  2017 Auctions America : Fort Lauderdale
 
1989 Porsche 911 Turbo 'Flat Nose' Cabriolet
Chassis#: WP0EB0936KS070302
Sold for USD$239,250
  2017 RM Sotheby's : Arizona Auction
 
1989 Porsche 911 (930) Turbo SE 'Flatnose'
Chassis#: WPOZZZ93ZKS000310
Sold for USD$194,438
  2016 Silverstone - The Salon Prive Sale 2016
 
1989 PORSCHE 930S TURBO SLANT NOSE CABRIOLET
Chassis#: WPOEB0935KS070209
Sold for USD$181,500
  2016 Bonhams : The Amelia Island Auction
1989 Porsche 911 Slantnose image  
1989 Porsche 911 (930) Turbo SE 'Flatnose'
Chassis#: WPOZZZ93ZKS000440
Sold for USD$254,129
  2015 Silverstone Auction - The Porsche Sale
 
1989 Porsche 911 930 Turbo LE
Chassis#: WPOZZZ93ZKS000520
Sold for USD$116,907
  2015 Silverstone Auction - Classic Sale
 
1989 Porsche 930 Turbo
Sold for USD$85,250
  2015 Auctions America - Fort Lauderdale
 
1989 PORSCHE 911 TURBO SE 'FLAT NOSE' CABRIOLET
Chassis#: WPOZZZ93KS020243
Sold for USD$152,417
  2014 COLLECTOR'S MOTOR CARS AND AUTOMOBILIA
 
1989 PORSCHE 930 SLANT NOSE CABRIOLET
Sold for USD$80,300
  2006 Barrett-Jackson - Palm Beach 2006
 
1989 Porsche 911 Turbo Slant Nose SE Cabriole
Chassis#: WPOEBO933KS070483
Sold for USD$62,949
  2004 Bonhams - The Goodwood Festival of Speed
 

Porsche 911 Slantnoses That Failed To Sell At Auction

1989 Porsche 911 Slantnose's that have appeared at auction but did not sell.
VehicleChassisEventHigh BidEst. LowEst. High
1989 Porsche 930 Turbo Slantnose CoupeWP0JB0936KS0504982022 Worldwide Auctioneers : The Enthusiast Auction   
1989 Porsche 911 / 930 SpeedsterWP0ZZZ91ZKS1522092018 Historics at Brooklands MercedesBenz World $195,000$225,000
1989 Porsche 911 (930) Turbo SE Flat Nose CabrioletLotWP0ZZZ93ZKS0201832017 Silverstone Salon Prive   
1989 Porsche 911 Turbo Flat Nose CabrioletWP0EB0934KS0705422017 RM Auctions : Amelia Island $275,000$325,000
1989 Porsche 911 Turbo Slant Nose CabrioletWP0EB093XKS0701902016 Mecum : Monterey$140,000  
1989 PORSCHE 911 TURBO SLANT NOSE CABRIOLETWP0EB093XKS0704022016 BarrettJackson : Northeast   
1989 PORSCHE 930 CAB. FLAT NOSEWP0EBO93GKS0701062007 Palm Springs Exotic Car Auctions February 2325, 2007$85,000  

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1989 Porsche 911 Slantnose vehicle thumbnail image  1989 Porsche 911 Slantnose vehicle thumbnail image  
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1989 Porsche 911 Slantnose Profiles

1989 Porsche 911 Slantnose vehicle information
Coupe
Chassis #: WP0JB0935KS050489
Engine #: 68K00936
Gearbox #: 2K01592