Introduced in 1987, the 928 S4 was a significant evolution of Porsche’s iconic grand tourer featuring revised aerodynamic bodywork and a new 5.0-liter V8 engine with four-valves-per-cylinder. This 1988 example comes finished in Silver Metallic over a matching Silver Grey leather interior and was acquired from the second owner’s Porsche collection in 2010. Accompanied by extensive documentation showing routine service by a reputable marque specialist, this 928 S4 is now being offered for auction by its owner out of New York showing approximately 68k miles on the odometer.
Among the oldest and most traditional Porsche colors of all, this 928 comes finished in Silver Metallic (L980) with matching protective side moldings. Compared to earlier 928s, the S4 version featured a more rounded aerodynamic nose, side skirts, and a black polyurethane rear wing. This example rides on factory 16” polished wheels dressed in Continental ExtremeContact tires. The seller describes the paint to be in excellent overall condition and states the passenger door and right rear quarter panel were previously refinished to address a cosmetic incident. Detailed images are provided in the gallery along with a clean CARFAX report.
The cabin is trimmed in Silver Grey (HQ) leather with matching carpets and a black dashboard. Accessories include power windows and door locks, 8-way electric front seats, driver position memory, automatic climate control, a digital clock, electric sunroof, rear window wiper, cruise control, and extended rear-seat air conditioning. An aftermarket Alpine radio has been installed and the footwells are lined with black velour mats featuring embroidered 928 S4 logos. Some minor wear is noted on the driver’s seat bolster and the seller reports all gauges and accessories to be working properly, however, the ignition lock is sticky and requires a slight turn back after startup to power on accessories.
The 928 S4 features a 5.0-liter V8 with dual overhead camshafts and four valves per cylinder. A 4-speed automatic transmission sends up to 320 HP and 317 lb.-ft of torque to the rear wheels. Since the current owner’s purchase in 2010, all routine and major services are said to have been completed by a specialist at Import Autohaus in New York with all corresponding records available.
This sale will include the original owner’s manuals, maintenance records, and a clean title.
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