Misallocation

1978 Porsche 928

Sold at RM Sotheby's on March 25, 2026, offered with no reserve.

$30,800Confirmed

The price as reported by the house. Hammer price $28,000, before the buyer's premium. Read from the house's results Oct. 26, 2026.

The car

Year
1978
Make and model
Porsche 928
Generation
928
Version
928
Chassis
9288200675
Condition
Good (3)Likely

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

Against comparable sales

Inside the middle half of 53 comparable sales.

Middle half of sales$15,500 to $33,250
Median$24,250
Sales behind it53Likely

From 53 sales of the Porsche 928 in our data over the last 24 months. Hammer prices, before buyer's fees. Half sold between $15,500 and $33,250.

Closest sales

Closest comparable sales
CarAuctionDatePrice
1978 Porsche 928 5-SpeedBring a Trailer, Nov. 3, 2026Bring a TrailerNov. 3, 2026$60,000
RoW 1978 Porsche 928 5-Speed ProjectBring a Trailer, Oct. 14, 2026Bring a TrailerOct. 14, 2026$25,250
Euro 1978 Porsche 928 5-SpeedBring a Trailer, Sept. 16, 2026Bring a TrailerSept. 16, 2026$21,500
26-Years-Owned 1978 Porsche 928 5-SpeedBring a Trailer, July 2, 2026Bring a TrailerJuly 2, 2026$30,000
Euro 1978 Porsche 928Bring a Trailer, May 11, 2026Bring a TrailerMay 11, 2026$41,000
Euro 1978 Porsche 928 5-SpeedBring a Trailer, May 5, 2026Bring a TrailerMay 5, 2026$17,000
1978 Porsche 928 5-SpeedBring a Trailer, April 12, 2026Bring a TrailerApril 12, 2026$15,500
1978 Porsche 928 5-Speed ProjectBring a Trailer, Sept. 24, 2025Bring a TrailerSept. 24, 2025$12,750