Highlights
- Comprehensive restoration with €8,000 budget
- Timing belt replacement in 2018
- Documented maintenance history with invoices totalling over €6,000
- Registered with 'Carte Grise de Collection' status
- Timing belt replacement performed in November 2025
- Technical inspection valid until October 2027
The Appeal
The 928 was an opportunity spotted. Most 70s long-distance GTs originated in Maranello or Sant’Agat and required a mechanic in the passenger seat in case of breakdown. Not so the 928, which was as quick and capable as any Ferrari or Lambo, but with the added ingredient of bulletproof mechanicals of the sort only Porsche seems able to deliver in the sports car sector.
The S4 added a bigger 5L version of the powerful V8, plus improvements to the cosmetics and comfort. This well kept 1988 car comes to market after what the vendor tells us was an €8,000 restoration covering mechanicals and bodywork. The vendor also advises that the history file shows further €6,000 of maintenance. Added reassurance is provided by a technical inspection valid to October 2027.
Few GTs are as capable and as robust as a good 928. The S4 is arguably the most usable version and this well presented example has the added appeal of all that recent work.
History and Paperwork
- Registered in 1989
- Purchased from a Dutch garage in August 2024
- Believed to have had 1 former registered keeper according to seller
- Received documentation including invoices from 2018-2024 totaling €6,060.49
- Timing belt replacement performed in 2018
- No modifications made to the original vehicle we are told
- One very minor defect on last technical inspection subsequently rectified
- Technical inspection valid until October 2027
- Registered with 'Carte Grise de Collection' status
- The serial numbers are reported to match
The Condition
- Very well presented dark grey metallic car with recent work to cosmetics
- Correct specification including rear spoiler and polished alloy wheels
- Wheels are in very good condition and correctly diamond-effect polish finish
- Fitted with quality Pirelli tyres
- Recent restoration and rigorous mechanical, bodywork, and upholstery inspection
- Very well kept black leather interior with few indications of age
- Well kept carpets with Porsche over mats
- Period radio fitted
- Well kept switchgear, door cards, headlining and trim
Summary of recent work:
- Front bumper painting
- Left and right mirror painting and fuel door painting
- Rear bumper repair
- Dent removal on certain body parts
- Full body polish
- Upholstery preserved and restored using original materials
- Leather cleaning, fixing, and finishing with renovation balm
- Centre console repair
- Rear panel restoration
- Windshield wiper blade replacement
- Taillight replacement
The Mechanics
- 4,957cc engine capacity
- 4spd automatic transmission
- Engine and gearbox recently service we are told
- Air conditioning recharged
- Front suspension check
- Disassembly, cleaning and renovation of ignition and injection units
- Timing belt replacement performed in November 2025
- Vendor states that the car drives well
- We are told that there are no wheel alignment issues
- Brakes function well and car has good road handling according to seller
- Vendor reports that engine revs normally with no lack of power even at high RPM
- Recently passed technical inspection with single minor advisory subsequently rectified
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