Misallocation

1931 Auburn Speedster Custom

Sold at RM Sotheby's on Aug. 14, 2004.

$137,500Confirmed

The price as reported by the house. Hammer price $125,000, before the buyer's premium. Read from the house's results Oct. 26, 2026.

The car

Year
1931
Make and model
Auburn Boattail Speedster
Generation
Boattail Speedster (1928 to 1936)
Chassis
2885349A

Against comparable sales

Inside the middle half of 15 comparable sales.

Middle half of sales$82,500 to $412,500
Median$170,000
Sales behind it15Likely

From 15 sales of the Auburn Boattail Speedster (1928 to 1936) in our data over the last 24 months. Hammer prices, before buyer's fees. Half sold between $82,500 and $412,500.

Closest sales

Closest comparable sales
CarAuctionDatePrice
1932 Auburn 12-160 Boattail SpeedsterGooding Christie's, Sept. 20, 2025Gooding Christie'sSept. 20, 2025$700,000
1932 Auburn 8-100 Boattail SpeedsterMecum, May 16, 2025MecumMay 16, 2025$90,000
1932 Auburn 898-A Boattail SpeedsterMecum, Jan. 18, 2025MecumJan. 18, 2025$270,000
1929 Auburn 120 Eight “Boattail” SpeedsterBroad Arrow, March 7, 2026Broad ArrowMarch 7, 2026$350,000
1929 Auburn 120 Eight "Boattail" SpeedsterBroad Arrow, Oct. 31, 2025Broad ArrowOct. 31, 2025$170,000
1929 Auburn 120 Eight “Boattail” SpeedsterBroad Arrow, Aug. 14, 2025Broad ArrowAug. 14, 2025$140,000
1929 Auburn 120 Eight “Boattail” SpeedsterBroad Arrow, Feb. 15, 2025Broad ArrowFeb. 15, 2025$170,000
1934 Glenn Pray Auburn Second Generation Boattail SpeedsterMecum, Dec. 6, 2025MecumDec. 6, 2025$40,000