Misallocation

1957 DeSoto Firesweep Sportsman

Sold at RM Sotheby's on Sept. 4, 2016, offered with no reserve.

$33,000Confirmed

The price as reported by the house. Hammer price $30,000, before the buyer's premium. Read from the house's results Oct. 26, 2026.

Photo: RM Sotheby's

The car

Year
1957
Make and model
DeSoto Firesweep
Generation
Firesweep (1957 to 1959)
Condition
Excellent (2)Likely

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

Against comparable sales

Above the middle half of 3 comparable sales, 6% over its top.

Middle half of sales$12,025 to $28,275
Median$13,550
Sales behind it3Likely

From 3 sales of the DeSoto Firesweep (1957 to 1959) in our data over the last 24 months. Hammer prices, before buyer's fees. Half sold between $12,025 and $28,275.

Closest sales

Closest comparable sales
CarAuctionDatePrice
1957 DeSoto Firesweep SedanBring a Trailer, Jan. 20, 2025Bring a TrailerJan. 20, 2025$10,500
1958 DeSoto Firesweep ConvertibleMecum, Jan. 14, 2026MecumJan. 14, 2026$43,000
1958 DeSoto Firesweep Four-Door Shopper Station WagonBring a Trailer, Jan. 30, 2025Bring a TrailerJan. 30, 2025$13,550