1991 Porsche 928 S4 Market Value & Price History
The 1991 Porsche 928 S4 has a market value of $18,342, based on 16 verified auction sales tracked by DriveIndex, with half of the verified USD sales since 2019 between $22,928 and $46,928. No comparable sale since Apr 12, 2025, so this value may not reflect today's market. 1 is listed for sale at $35,599.
Data: DriveIndex. 16 verified auction sales for the 1991 Porsche 928 S4 (15 in USD, the basis for every dollar figure here), latest sale Apr 12, 2025. Methodology
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Last checked Oct 12, 2026
1991 Porsche 928 S4 Price History
The median 1991 Porsche 928 S4 sold for $22,928 in 2024, against $35,500 in 2021. Each row is the median of the verified sales recorded in that calendar year, so it moves with the mix of mileages and options that came to market as well as with the market itself.
| Year | Median sale | Sales |
|---|---|---|
| 2024 | $22,928 | 3 |
| 2022 | $28,500 | 5 |
| 2021 | $35,500 | 3 |
Years with fewer than three verified USD sales are omitted — a one-sale “median” is a single car, not a market.
Recent 1991 Porsche 928 S4 Auction Results
| Sold | Price | Mileage | Gearbox |
|---|---|---|---|
| Apr 12, 2025 | $16,750 | 151,000 mi | — |
| Aug 28, 2024 | $22,928 | 86,000 mi | — |
| Aug 26, 2024 | $11,028 | 56,900 mi | Automatic |
| Jul 12, 2024 | $23,928 | 190,000 mi | — |
| Apr 12, 2023 | $59,000 | 32,000 mi | Manual |
| Jan 29, 2023 | $50,600 | — | Automatic |
| Nov 26, 2022 | 36,800 EUR | 133,753 mi | — |
| Sep 15, 2022 | $56,000 | 39,000 mi | Automatic |
| Jul 19, 2022 | $20,250 | 76,100 mi | Automatic |
| Jul 9, 2022 | $38,500 | — | Automatic |
| Jul 3, 2022 | $23,928 | 95,000 mi | Automatic |
| May 28, 2022 | $28,500 | 93,000 mi | Automatic |
| Dec 3, 2021 | $35,500 | 114,000 mi | Automatic |
| Aug 25, 2021 | $46,928 | 63,000 mi | Automatic |
| Jun 1, 2021 | $25,250 | 95,000 mi | Automatic |
Verified results from the world's leading collector-car auction houses and marketplaces.
All Porsche 928 S4 auction results →See the full picture on the 1991 Porsche 928 S4
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Porsche 928 S4 by Year
Which 928 S4 year should you buy? Every year compared →1991 Porsche 928 S4: Frequently Asked Questions
How much is a 1991 Porsche 928 S4 worth?
A 1991 Porsche 928 S4 is worth approximately $18,342, based on 16 verified auction sales tracked by DriveIndex. No comparable sale since Apr 12, 2025, so this value may not reflect today's market. Half of all verified sales fall between $22,928 and $46,928; the full verified range is $11,028 to $59,000. Condition, mileage and options move an individual car within that band.
How much did a 1991 Porsche 928 S4 cost new?
The 1991 Porsche 928 S4 carried an original MSRP of $71,700. Its DriveIndex market value is $18,342. No comparable sale since Apr 12, 2025, so this value may not reflect today's market.
How much has the 1991 Porsche 928 S4 depreciated?
The 1991 Porsche 928 S4 is worth about 74% less than it cost new: it carried an original MSRP of $71,700, and its DriveIndex market value is $18,342. That compares the DriveIndex value with the sticker price, not adjusted for inflation. No comparable sale since Apr 12, 2025, so this value may not reflect today's market.
How many 1991 Porsche 928 S4 sell per year?
DriveIndex has tracked 16 1991 Porsche 928 S4 sales at auction.
Are 1991 Porsche 928 S4 sale prices higher or lower than a year ago?
There aren't yet enough recent sales to compute a reliable 12-month price direction for the 1991 Porsche 928 S4. The full Value Signal classification (appreciating, stable, bottomed, or depreciating) and its 1–5 year projection are part of DriveIndex Pro.
Where can I buy a 1991 Porsche 928 S4?
DriveIndex lists 1 1991 Porsche 928 S4 for sale, priced from $35,599 to $35,599 (last checked Oct 12, 2026). DriveIndex aggregates for-sale listings and auction results from the world's leading collector-car auction houses and marketplaces.
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