1988 Porsche 928 S4 Market Value & Price History
The 1988 Porsche 928 S4 has a current market value of $15,818, based on 73 verified auction sales tracked by DriveIndex, with sold prices ranging from $12,000 to $92,000. 9 have sold in the past 12 months, and 2 are currently for sale from $17,585 to $18,215. Sold prices have held roughly flat over the past 12 months.
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Open the 928 S4 on DriveIndex →1988 Porsche 928 S4 For Sale Now (2)
Track this car & get alerts when new ones list →Recent 1988 Porsche 928 S4 Auction Results
| Sold | Price | Mileage |
|---|---|---|
| Jun 23, 2026 | $12,000 | 90,000 mi |
| Jun 15, 2026 | $34,500 | 61,000 mi |
| Mar 18, 2026 | $17,580 | 137,000 mi |
| Mar 14, 2026 | $48,500 | 30,000 mi |
| Jan 27, 2026 | $38,500 | 63,000 mi |
| Jan 9, 2026 | $30,800 | 44,972 mi |
| Jan 9, 2026 | $30,800 | 44,972 mi |
| Sep 11, 2025 | $16,430 | 213,000 mi |
| Aug 5, 2025 | $34,250 | 84,000 mi |
| Jun 29, 2025 | 25,000 CHF | — |
| Jun 23, 2025 | $31,500 | 200 mi |
| Jun 11, 2025 | $34,250 | 47,000 mi |
| Jun 1, 2025 | $25,000 | 400 mi |
| Apr 23, 2025 | $29,750 | 94,000 mi |
| Mar 14, 2025 | $38,000 | 32,000 mi |
Verified results from the world's leading collector-car auction houses and marketplaces.
See the full picture on the 1988 Porsche 928 S4
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Porsche 928 S4 by Year
1988 Porsche 928 S4 — Frequently Asked Questions
How much is a 1988 Porsche 928 S4 worth?
The 1988 Porsche 928 S4 has a market value of approximately $15,818, based on 73 verified auction sales. Recent examples have sold between $12,000 and $92,000.
How many 1988 Porsche 928 S4 sell per year?
9 have sold at auction in the past 12 months. DriveIndex has tracked 76 sales in total.
Is the 1988 Porsche 928 S4 appreciating or depreciating?
Sold prices for the 1988 Porsche 928 S4 have held roughly flat over the past 12 months. For the full Value Signal classification (appreciating, stable, bottomed, or depreciating) and its 1–5 year projection, open the 1988 Porsche 928 S4 on DriveIndex.
Where can I buy a 1988 Porsche 928 S4?
There are currently 2 1988 Porsche 928 S4 for sale, priced from $17,585 to $18,215. DriveIndex aggregates for-sale listings and auction results from the world's leading collector-car auction houses and marketplaces.
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