The 1988 Porsche 911 Turbo Cabriolet M505 Slant Nose combines classic styling with impressive performance. This example features Grand Prix White paint over Lipstick Red leather and has just 39k miles.
Distinctive M505 Slant-Nose Design
The factory Flachbau bodywork includes pop-up headlights, vented front fenders, side strakes, and extended side sills. The black convertible soft top and tea-tray rear spoiler complete its iconic look.
Exterior Features
Forged 16″ Fuchs alloy wheels are fitted with Dunlop and Continental tires. Four-wheel cross-drilled and ventilated disc brakes with front and rear sway bars provide strong stopping power.
Interior and Comfort
Power-adjustable front seats are upholstered in Lipstick Red leather. Amenities include a Kenwood head unit, analog clock, Coco floor mats, power windows, and air conditioning.
Instrumentation
The four-spoke leather-wrapped steering wheel frames VDO gauges, featuring a central tachometer with a 6,700-rpm redline, 170-mph speedometer, and oil, fuel, and boost indicators.
Engine and Performance
The turbocharged 3.3-liter flat-six produces 282 horsepower and 278 lb-ft of torque. Power flows through a four-speed manual transaxle with a limited-slip differential to the rear wheels.
Service and Maintenance
Recent maintenance includes an oil change, fuel filter replacement, and serpentine belt service. Brake fluid was flushed, and the air conditioning recharged in October 2025.
Certification and Documentation
The Porsche Certificate of Authenticity confirms factory colors, equipment, identification numbers, and production completion on May 20, 1988. The window sticker shows an initial price of $119,482.
Ownership and History
The car shows registration history in Indiana, Florida, and Illinois. A clean Carfax confirms no accidents, and the Illinois title is clear.
Summary
This 1988 Porsche 911 Turbo Cabriolet M505 Slant Nose offers iconic styling, a 3.3-liter turbo flat-six, 282 HP, four-speed manual transmission, and low mileage. Complete documentation ensures authenticity for collectors.
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Source: bringatrailer.com
