Misallocation

1988 Porsche 928 S4

Sold at Bring a Trailer on May 13, 2019.

$17,000Confirmed

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
Gearbox
Automatic
VIN
WP0JB0921JS860093
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 81 comparable sales, 19% under its bottom.

Middle half of sales$20,222 to $35,250
Median$26,750
Sales behind it81Likely

From 81 sales of the Porsche 928 S4 in our data over the last 24 months. Hammer prices, before buyer's fees. Half sold between $20,222 and $35,250.

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
May 13, 2019Sold (this sale)Bring a TrailerBring a Trailer$17,000
Jan. 25, 2023SoldBarrett-JacksonBarrett-Jackson$44,000
Jan. 21, 2025SoldBarrett-JacksonBarrett-Jackson$28,600