Misallocation

Twin-Plug 1979 Porsche 930 Turbo Slant Nose Conversion

Sold at Bring a Trailer on July 31, 2026.

$93,000Confirmed

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

The car

Year
1979
Make and model
Porsche 911
Generation
911 G-series 1974 to 1989
Version
930 Turbo
Gearbox
Manual
Chassis
9309800213
Title
Clean
Condition
Fair (4)Likely

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

Against comparable sales

Below the middle half of 219 comparable sales, 37% under its bottom.

Middle half of sales$127,000 to $226,500
Median$165,000
Sales behind it219Likely

From 219 sales of the Porsche 911 930 Turbo (911 G-series 1974 to 1989) in our data over the last 24 months. Hammer prices, before buyer's fees. Half sold between $127,000 and $226,500.

Closest sales

Closest comparable sales
CarAuctionDatePrice
RoW 1979 Porsche 930 TurboBring a Trailer, Oct. 29, 2026Bring a TrailerOct. 29, 2026$160,000
1979 Porsche 930 TurboBring a Trailer, Sept. 19, 2026Bring a TrailerSept. 19, 2026$125,000
1979 Porsche 930 Turbo 5-SpeedBring a Trailer, July 2, 2026Bring a TrailerJuly 2, 2026$307,000
21-Years-Owned RoW 1979 Porsche 930 TurboBring a Trailer, June 20, 2026Bring a TrailerJune 20, 2026$127,911
33-Years-Owned 1979 Porsche 930 TurboBring a Trailer, June 13, 2026Bring a TrailerJune 13, 2026$206,000
Original-Owner 1979 Porsche 930 TurboBring a Trailer, June 12, 2026Bring a TrailerJune 12, 2026$213,000
Modified 1979 Porsche 930 TurboBring a Trailer, May 18, 2026Bring a TrailerMay 18, 2026$126,930
38-Years-Family-Owned 1979 Porsche 930 TurboBring a Trailer, Feb. 18, 2026Bring a TrailerFeb. 18, 2026$230,000