Misallocation

1988 Porsche 928 S4

Sold at Bring a Trailer on March 18, 2026, offered with no reserve.

$17,580Confirmed

The price as reported by the house. Read from the house's results Oct. 25, 2026.

The car

Year
1988
Make and model
Porsche 928
Generation
928
Version
928 S4
VIN
WP0JB0924JS861836
Title
Clean
Condition
Good (3)Likely

Condition is our reading of the listing's description on Hagerty's 1 to 4 scale, not an inspection.

This car's full record

Against comparable sales

Below the middle half of 80 comparable sales, 15% under its bottom.

Middle half of sales$20,243 to $35,563
Median$26,875
Sales behind it80Likely

From 80 sales of the Porsche 928 S4 in our data over the last 24 months. Hammer prices, before buyer's fees. Half sold between $20,243 and $35,563.

Closest sales

Closest comparable sales
CarAuctionDatePrice
35-Years-Family-Owned 1988 Porsche 928 S4PCARMARKET, Aug. 28, 2026PCARMARKETAug. 28, 2026$9,000
1988 Porsche 928 S4Bring a Trailer, Aug. 4, 2026Bring a TrailerAug. 4, 2026$26,000
1988 Porsche 928 S4Cars & Bids, July 2, 2026Cars & BidsJuly 2, 2026$8,500
1988 Porsche 928 S4Cars & Bids, June 23, 2026Cars & BidsJune 23, 2026$12,000
1988 Porsche 928 S4Bring a Trailer, June 15, 2026Bring a TrailerJune 15, 2026$34,500
31-Years-Owned 1988 Porsche 928 S4Bring a Trailer, March 14, 2026Bring a TrailerMarch 14, 2026$48,500
28-Years-Family-Owned 1988 Porsche 928 S4Bring a Trailer, Jan. 27, 2026Bring a TrailerJan. 27, 2026$38,500
1988 Porsche 928 S4Mecum, Jan. 9, 2026MecumJan. 9, 2026$28,000

This car's historyConfirmed

Matched across sales by VIN.

DateWhat happenedWhereMilesPrice
June 1, 2025SoldBring a TrailerBring a Trailer$25,000
March 18, 2026Sold (this sale)Bring a TrailerBring a Trailer$17,580
Oct. 29, 2026ListedCarGurusCarGurus136,121$28,490 asked
Nov. 5, 2026ListedClassicCars.comClassicCars.com136,121$26,890 asked