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1989 Porsche 928 S4

VIN: WP0JB0928KS860836
For Sale
$29,950
by
verified
verified Verified Seller
Mar 12, 2025
Verified Private Seller
Monterey, California, USA
63,428 mi
Automatic
LHD
Original & Highly Original
  • OVERVIEW
  • DESCRIPTION
  • MEDIA
  • SPECS
  • COMPS (30)
  • TAXONOMY
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About this 1989 Porsche 928 S4

VIN: WP0JB0928KS860836

This is a CLASSIC.COM Managed Listing – it has been verified through a third-party inspection and full photo gallery taken in February 2025. All inquiries will be managed by Robert Lewis on behalf of the Private Seller.

This 1989 Porsche 928 S4 is a low mileage 2+2 style grand tourer that combines style and comfort in a front-engine, rear wheel drive layout. Partially restored, this example has newer gray paint and received all new engine seals in 2021. This S4 is distinguished by its rounded front end with air intakes, popup headlights, and black rear spoiler.

Features include:

A 5.0L V8 engine
4-speed automatic transmission
Distinctive S4 rear spoiler
Sunroof

About the Model:
The Porsche 928 S4 variant debuted in the second half of 1986 as a 1987 model, with an updated version of the 5.0 L V8 for all markets producing 235 kW; 316 hp (320 PS), sporting a new single-disc clutch in manual transmission cars, larger torque converter in cars equipped with automatic transmission cars and fairly significant styling updates which gave the car a cleaner, sleeker look. The S4 was much closer to being a truly world car than previous models as the only major differences for North American models were the instrumentation in either kilometers or miles, lighting, front and rear bumper shocks and the availability of catalytic converters in some other markets. In 1992 (1993 in North America), the S4 would pave the way for the final iteration of the series, the 928 GTS.

Features and Specs:
VIN: WPOJB0928KS860836
63,428 miles
5.0L V8 Engine
4-speed automatic transmission
Sunroof
Digital trip computer

Modifications:
A Sony Bluetooth and SiriusXM-enabled stereo/CD player

Service History:
Periodic dealer service noted in the CarFax report
Nov 2021 replacement of engine seals, steering rack seals, intake manifold gasket and related parts.
Low miles documented with consistency between 1992 and 2024

Ownership History:
Mar 2025 - Available for sale in Monterey, CA
Mar 2021 - Purchased by the seller in Manteca, CA and moved to Monterey
Dec 2017 - New ownership reported in Woodland Hills, CA
Jul 2003 - New ownership reported in Encino, CA
Aug 1992 - CarFax history initiated in Palmdale, CA

Known Issues:
Miscellaneous scratches consistent with age, most of which are too small to see in photos.
The sunroof is inoperable.
The seals around the windows, doors, and trunk show their age.
The sun visors, interior trim and seats show minor wear that comes with age. Notably, the trim is separated from the center console.
There are signs of past oil seepage but no active leaks.

Due Diligence:
Third-party photos
CarFax report, January 2025 - view the CarFax report
Third-party inspection, February 2025 - https://lemonsquad.com/customer/view-report/727227?client_token=b3f808dcfb38b127afc52cd14430ebc3&auth_token=e120717029c7cf6747207f4e0402278e

Included in the Sale:
One key
Original owner’s manual
Service receipts
Car cover

Market Summary

The Porsche 928 S4 - Automatic (1986 to 1993) market. See Similar Markets

CMB $25,024
The CLASSIC.COM Market Benchmark (CMB) represents a benchmark value for vehicles in this market based on data accumulated by CLASSIC.COM. Actual market value for a specific vehicle will depend on various elements, including the condition of the vehicle.
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There are 12 Porsche 928 S4 for sale across all model years (1986 to 1993) and variants, 12 are Automatic and 2 are model year 1989 . There were 173 Automatic sold in the last 5 years.

Comps

Comparable recent listings. See related attributes next to the score.

1989 Porsche 928 S4

Original & Highly Original
6865 mi 91k mi
Manual transmission Automatic
LHD steering LHD
For Sale
$32,995
Feb 21, 2025
99% Relevance
Relevance Score Criteria

Model
Year
Make
Model Family
Model Generation
Model Variant
Model Trim
Powertrain
Engine
Transmission Type
Drive Type
Mileage
  • 51K - 102K
Body
Vehicle Type
Body Style
Doors
Driver Side
Ext. Color Group
Int. Color Group
Other Details
Originality
Location
Recency

1989 Porsche 928 S4

Original & Highly Original
6865 mi 102k mi
Manual transmission Automatic
LHD steering LHD
Sold
$25,000
Jan 14, 2025
96% Relevance
Relevance Score Criteria

Model
Year
Make
Model Family
Model Generation
Model Variant
Model Trim
Powertrain
Engine
Transmission Type
Drive Type
Mileage
  • 51K - 102K
Body
Vehicle Type
Body Style
Doors
Driver Side
Ext. Color Group
Int. Color Group
Other Details
Originality
Location
Recency

1989 Porsche 928 S4

Original & Highly Original
6865 mi 61k mi
Manual transmission Automatic
LHD steering LHD
Last Asking
$26,500
info
This listing was either sold, or removed, by the seller. The last asking price is the last price detected by Classic.com.
Dec 29, 2024
96% Relevance
Relevance Score Criteria

Model
Year
Make
Model Family
Model Generation
Model Variant
Model Trim
Powertrain
Engine
Transmission Type
Drive Type
Mileage
  • 51K - 102K
Body
Vehicle Type
Body Style
Doors
Driver Side
Ext. Color Group
Int. Color Group
Other Details
Originality
Location
Recency

Specs

Details about this vehicle - curated by our market specialists.

Year
1989
Model Family
Model Variant
S4
Model Trim
-
Engine
5.0L V8
Transmission
Automatic
Drive Type
Rear Wheel Drive (RWD)
Originality
Original & Highly Original
Mileage
63,428 mi
VIN
WP0JB0928KS860836
Vehicle Type
Automobile
Body Style
Coupe
Doors
2 Doors
Driver Side
Left Hand Drive
Ext. Color Group
Gray
Int. Color Group
Gray

Taxonomy

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