1988 Porsche 928 S4

Description

OFFERED WITHOUT RESERVE

When designer Wolfgang Möbius penned the lines for the 1977 launch of the 928, he was leading Porsche into uncharted territory. Designed as a luxury GT, the 928 featured an all-new 316 horsepower, water-cooled 5.0-liter V8 engine placed at the front that was paired with an automatic or manual transaxle for improved weight distribution. Aluminum body panels with a futuristic look and low coefficient of drag allowed created an effortless autobahn stormer. The striking design featured popup headlights behind fully integrated bumpers.  

This futuristic theme continued on the interior with a driver-centric center console with an adjustable dashboard instrumentation. Generous 2+2 seating offered rear seats that could be folded flat, increasing storage capacity for a weekly grocery run or additional luggage on an extended continental excursion. 

Starting in 1980, Porsche offered a refreshed 928 S with front and rear spoilers — something the original lacked — and it featured a sharper, more angular front end. The 928 S, which debuted in the U.S. in 1983, also sported wider wheels and tires than the previous 928s. The main change, however, could be found under the hood in a revised 4.7-liter engine. 

The 928 S4 variant arrived in the second half of 1986 as an '87 model. It offered an updated 316-horsepower, 5.0-liter V8 for all markets, and it sported a new single-disc clutch in manual transmission cars and larger torque converter in automatic transmission cars. Notable styling updates included a rounded front end with air intakes, and the rear had a slope between the wide, flush-fitting rear lights and a rear spoiler standing up from the body. 

Highlights 

• Offered from The Guards Red Collection 

• Finished in Guards Red over Cashmere Beige and Black Supple Leather interior 

• Front-mounted, liquid-cooled, 5.0 liter DOHC, 32-valve V8 engine producing 316 horsepower and 318 lb-ft torque 

• Zero to 60 mph in 5.9 seconds when new 

• Four-speed automatic transaxle  

• VIN Analytics records the original optional equipment as: 

  • 139 - Heated Seat Left 

  • 220 - Limited Slip Differential 

  • 340 - Heated Seat Right 

  • 513 - Lumbar Support-Right Seat 

  • 533 - Alarm System 

  • 538 - Seat Position Memory-Rt Side 

  • 570 - Increased Air Conditioning 

  • 586 - Lumbar Support-Left Seat 

  • 980 - Supple Leather Seats 

• Rear-wheel-drive two-door coupe with seating for four 

• Offered with the five-digit odometer showing 70,583 miles at the time of listing 

• Clean CARFAX Vehicle History Report 

Features 

• Stock 16 inch “Manhole Cover” slotted alloy wheels shod with Falken Ziex 225/50 R16 tires 

• Electronically monitored anti-lock braking system  

• Near 50-50 weight distribution 

• Rear seat air-conditioning 

• Power and heated front seats with three and mirror presets for driver 

• Porsche Blaupunkt AM/FM cassette stereo system 

• Sunroof 

• Wheelbase: 98.43 inches  

• Curb weight: 3,549 pounds 

• Original MSRP was $69,380, or about $184,194 today (adjusting for inflation) 

Known Imperfections 

• Paint shows signs of age with fading, swirls, scratches, and dimples appropriate to the age of the vehicle 

• Engine cooling fans have been disconnected 

• Sticker on vehicle shows 2016 as last timing belt and water pump service, but cannot verify this with matching service invoice 

• Driver’s side cam cover seal appears to be leaking 

• Some engine misfires, as the vehicle has been sitting for a while 

• Front and rear air conditioning system non-functioning 

• Interior temperature sensor is covered by a mismounted aftermarket Porsche crest (as pictured) 

• Dashboard lights (check systems and warning lights) are inoperable, although gauges seem to function 

• Driver’s side exterior rearview mirror is loose 

• Hood struts aren't strong enough to hold up the hood (engine cover)

• All four alloy wheels are stained and discolored (as pictured) 

• Windshield has chips appropriate to age and mileage 

• Automatic transmission T-shift handle operates but is broken from its mount (as pictured) 

• Tilt function on the driver’s power seat is not working 

• Driver’s side seat bolster leather is torn 

• Visor clip is broken 

• Electric sunroof is jammed and will not open 

• Rear interior trim panels under the rear quarter windows have shrunk and are pulling away from their mounting points (as pictured) 

• Tires are date coded from 2012 

Included 

• One vehicle key 

• Rear compartment panel mounted tool kit 

• Period Porsche inflator kit case 

• Owner’s manual 

Ownership History 

Produced December 1987, the accompanying CARFAX Vehicle History Report records this 1988 Porsche 928 S4 was originally titled 20 June 1988 in Gurnee, Illinois. It was sold three times (in 1999, 2019, and 2020), and currently resides in Atlanta, Georgia. 

Additional Notes  

A Broad Arrow Group Consignment Specialist is working as an agent on behalf of the owner of this vehicle. 

Contact: Ray Shaffer  Phone: 904.982.7223  email: rshaffer@hagerty.com